Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

MARK C JOHNSON

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1013923127
CMS profile
46454
Location
MASON CITY, IA

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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Filter and download payment records

General Payments · PY2019 · Entire year

$49,192.46

137 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2019 · entire year · sorted by reported total

By paying entity

PY2019 · entire year · sorted by reported total

Page 1 of 3; records 1–50 of 137 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

MARK C JOHNSON

NPI 1013923127 · CMS profile ID 46454

Allopathic & Osteopathic Physicians / Internal Medicine

MASON CITY, IA

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 3; records 1–50 of 137 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1013923127?year=2019&recipient=provider#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
MARK C JOHNSON, NPI 1013923127, CMS profile ID 46454. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 3; records 1–50 of 137 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1013923127?year=2019&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
APA 7
IndustryPayments. (2026). MARK C JOHNSON, NPI 1013923127, CMS profile ID 46454. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 3; records 1–50 of 137 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1013923127?year=2019&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
Bluebook
MARK C JOHNSON, NPI 1013923127, CMS profile ID 46454, IndustryPayments, General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 3; records 1–50 of 137 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e. https://industrypayments.org/provider/npi-1013923127?year=2019&recipient=provider#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2019

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2019 · Physicians and non-physician practitioners · CMS publication 2026-06-30

137 matching records · $49,192.46 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 137 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 137.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Insulet Corporation $6.4012/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 705026499 CMS
AstraZeneca Pharmaceuticals LP $13.9112/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685148805 CMS
Janssen Pharmaceuticals, Inc $9.5412/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784755 CMS
Novo Nordisk Inc $16.9012/16/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 708458213 CMS
Insulet Corporation $14.4112/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 705026493 CMS
SANOFI-AVENTIS U.S. LLC $88.6512/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694231461 CMS
SANOFI-AVENTIS U.S. LLC $2,366.0012/11/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694231465 CMS
SANOFI-AVENTIS U.S. LLC $136.8812/11/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694231467 CMS
Janssen Pharmaceuticals, Inc $10.7412/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784643 CMS
Janssen Pharmaceuticals, Inc $2.6612/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784647 CMS
Janssen Pharmaceuticals, Inc $12.4511/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784581 CMS
SANOFI-AVENTIS U.S. LLC $15.1311/21/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694227959 CMS
AstraZeneca Pharmaceuticals LP $3,700.0011/18/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685721889 CMS
AstraZeneca Pharmaceuticals LP $11.1611/14/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685219009 CMS
Insulet Corporation $13.9911/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 705026489 CMS
Janssen Pharmaceuticals, Inc $6.7511/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784383 CMS
AstraZeneca Pharmaceuticals LP $125.0011/06/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685271853 CMS
AstraZeneca Pharmaceuticals LP $136.8811/06/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685638375 CMS
AstraZeneca Pharmaceuticals LP $500.0011/05/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685503731 CMS
Novo Nordisk Inc $12.2611/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 674704387 CMS
Novo Nordisk Inc $63.5710/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 674985685 CMS
SANOFI-AVENTIS U.S. LLC $13.2010/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694186917 CMS
SANOFI-AVENTIS U.S. LLC $36.5110/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694256069 CMS
SANOFI-AVENTIS U.S. LLC $2,873.0010/23/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694256071 CMS
SANOFI-AVENTIS U.S. LLC $163.5610/23/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694329643 CMS
AstraZeneca Pharmaceuticals LP $18.2310/17/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685734449 CMS
Novo Nordisk Inc $688.5010/16/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 750697005 CMS
SANOFI-AVENTIS U.S. LLC $14.0810/16/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694174235 CMS
SANOFI-AVENTIS U.S. LLC $2,366.0010/16/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694174239 CMS
SANOFI-AVENTIS U.S. LLC $103.8210/16/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694313671 CMS
Janssen Pharmaceuticals, Inc $19.9610/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784163 CMS
SANOFI-AVENTIS U.S. LLC $676.0010/15/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694205035 CMS
Insulet Corporation $14.2110/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 705026483 CMS
Janssen Pharmaceuticals, Inc $10.1310/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658784043 CMS
AstraZeneca Pharmaceuticals LP $13.4109/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685715345 CMS
SANOFI-AVENTIS U.S. LLC $8.2209/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694204927 CMS
AMAG Pharmaceuticals, Inc. $11.6509/25/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 698521617 CMS
Lilly USA, LLC $15.1009/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 657986261 CMS
SANOFI-AVENTIS U.S. LLC $123.3109/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694201013 CMS
SANOFI-AVENTIS U.S. LLC $151.9609/24/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694201017 CMS
SANOFI-AVENTIS U.S. LLC $2,873.0009/24/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694201019 CMS
AstraZeneca Pharmaceuticals LP $17.0209/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685433973 CMS
Corcept Therapeutics $53.3109/17/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695532095 CMS
Janssen Pharmaceuticals, Inc $11.8509/17/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658783849 CMS
Insulet Corporation $14.9909/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 705026479 CMS
Allergan Inc. $11.4309/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 670604973 CMS
SANOFI-AVENTIS U.S. LLC $251.2509/10/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694176095 CMS
SANOFI-AVENTIS U.S. LLC $72.3809/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694176097 CMS
SANOFI-AVENTIS U.S. LLC $1,675.0009/10/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694310529 CMS
Janssen Pharmaceuticals, Inc $8.5309/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658783735 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $49,192.46 137
PY2020 $24,823.47 42
PY2021 $38,629.45 77
PY2022 $54,845.69 61
PY2023 $10,297.30 34
PY2024 $16,973.99 47
PY2025 $28,198.93 35

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files and profile matching
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.