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

Covered recipient · General Payments record

STEPHANIE A CHRISTENSON

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1528234937
CMS profile
114108
Location
OAKLAND, CA

General Payments · PY2019–2025

$492,157.27

  • Reported across 249 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$91,791.41

43 records · 0 disputed

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

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. 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.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2025 · sorted by reported total

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
GENZYME CORPORATION $58,167.55 14
Acerta Pharma LLC $25,888.23 20
AstraZeneca UK Limited $5,480.63 7
Verona Pharma, Inc. $1,500.00 1
SANOFI US SERVICES INC. $755.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $44,752.66 47
PY2020 $58,717.13 17
PY2021 $14,364.25 9
PY2022 $40,774.52 23
PY2023 $114,559.09 46
PY2024 $127,198.21 64
PY2025 $91,791.41 43

Payment records · PY2025 (43)

Sorted by paying entity, then date · as published by CMS

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AstraZeneca Pharmaceuticals LP $268.50 01/16/2025 Consulting Fee Undisputed 06/30/2026 1206681732 CMS
AstraZeneca Pharmaceuticals LP $537.00 03/06/2025 Consulting Fee Undisputed 06/30/2026 1206453386 CMS
AstraZeneca Pharmaceuticals LP $134.99 05/19/2025 Food and Beverage Undisputed 06/30/2026 1206415145 CMS
AstraZeneca Pharmaceuticals LP $2,416.50 06/20/2025 Consulting Fee Undisputed 06/30/2026 1206632395 CMS
AstraZeneca Pharmaceuticals LP $5,638.50 09/05/2025 Consulting Fee Undisputed 06/30/2026 1206136642 CMS
AstraZeneca Pharmaceuticals LP $63.60 09/12/2025 Food and Beverage Undisputed 06/30/2026 1206258414 CMS
AstraZeneca Pharmaceuticals LP $54.56 09/12/2025 Food and Beverage Undisputed 06/30/2026 1206394689 CMS
AstraZeneca Pharmaceuticals LP $283.58 09/12/2025 Travel and Lodging Undisputed 06/30/2026 1206831860 CMS
AstraZeneca Pharmaceuticals LP $20.46 09/12/2025 Food and Beverage Undisputed 06/30/2026 1206884394 CMS
AstraZeneca Pharmaceuticals LP $135.00 09/12/2025 Food and Beverage Undisputed 06/30/2026 1206937362 CMS
AstraZeneca Pharmaceuticals LP $20.46 09/12/2025 Food and Beverage Undisputed 06/30/2026 1206944480 CMS
AstraZeneca Pharmaceuticals LP $40.92 09/12/2025 Food and Beverage Undisputed 06/30/2026 1206988153 CMS
AstraZeneca Pharmaceuticals LP $57.61 09/12/2025 Travel and Lodging Undisputed 06/30/2026 1207012866 CMS
AstraZeneca Pharmaceuticals LP $643.55 09/12/2025 Travel and Lodging Undisputed 06/30/2026 1207190789 CMS
AstraZeneca Pharmaceuticals LP $4,833.00 09/18/2025 Consulting Fee Undisputed 06/30/2026 1206401136 CMS
AstraZeneca Pharmaceuticals LP $2,148.00 09/19/2025 Consulting Fee Undisputed 06/30/2026 1206328651 CMS
AstraZeneca Pharmaceuticals LP $2,148.00 09/22/2025 Consulting Fee Undisputed 06/30/2026 1207148682 CMS
AstraZeneca Pharmaceuticals LP $2,148.00 10/10/2025 Consulting Fee Undisputed 06/30/2026 1206852228 CMS
AstraZeneca Pharmaceuticals LP $268.50 11/21/2025 Consulting Fee Undisputed 06/30/2026 1206709361 CMS
AstraZeneca Pharmaceuticals LP $4,027.50 12/03/2025 Consulting Fee Undisputed 06/30/2026 1206551225 CMS
AstraZeneca UK Limited $1,611.00 05/02/2025 Consulting Fee Undisputed 06/30/2026 1202983228 CMS
AstraZeneca UK Limited $90.25 05/17/2025 Food and Beverage Undisputed 06/30/2026 1202947300 CMS
AstraZeneca UK Limited $805.50 06/04/2025 Consulting Fee Undisputed 06/30/2026 1202938568 CMS
AstraZeneca UK Limited $45.91 09/27/2025 Food and Beverage Undisputed 06/30/2026 1202946992 CMS
AstraZeneca UK Limited $17.43 09/27/2025 Food and Beverage Undisputed 06/30/2026 1202953370 CMS
AstraZeneca UK Limited $1,836.54 11/17/2025 Consulting Fee Undisputed 06/30/2026 1202930688 CMS
AstraZeneca UK Limited $1,074.00 12/22/2025 Consulting Fee Undisputed 06/30/2026 1202966090 CMS
GENZYME CORPORATION $34.81 02/06/2025 Food and Beverage Undisputed 06/30/2026 1233343771 CMS
GENZYME CORPORATION $28,296.80 04/09/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1233343831 CMS
GENZYME CORPORATION $2,527.00 04/21/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1233343789 CMS
GENZYME CORPORATION $125.50 09/17/2025 Food and Beverage Undisputed 06/30/2026 1233343849 CMS
GENZYME CORPORATION $9,025.00 09/17/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1233343851 CMS
GENZYME CORPORATION $704.92 09/17/2025 Travel and Lodging Undisputed 06/30/2026 1233343853 CMS
GENZYME CORPORATION $468.97 09/17/2025 Travel and Lodging Undisputed 06/30/2026 1233343855 CMS
GENZYME CORPORATION $380.92 09/17/2025 Travel and Lodging Undisputed 06/30/2026 1233343857 CMS
GENZYME CORPORATION $4,530.00 09/17/2025 Consulting Fee Undisputed 06/30/2026 1233343881 CMS
GENZYME CORPORATION $614.43 11/11/2025 Travel and Lodging Undisputed 06/30/2026 1233343899 CMS
GENZYME CORPORATION $923.62 11/11/2025 Travel and Lodging Undisputed 06/30/2026 1233343901 CMS
GENZYME CORPORATION $274.26 11/11/2025 Travel and Lodging Undisputed 06/30/2026 1233343903 CMS
GENZYME CORPORATION $134.32 11/11/2025 Food and Beverage Undisputed 06/30/2026 1233343907 CMS
GENZYME CORPORATION $10,127.00 11/24/2025 Consulting Fee Undisputed 06/30/2026 1233343905 CMS
SANOFI US SERVICES INC. $755.00 11/07/2025 Consulting Fee Undisputed 06/30/2026 1233343869 CMS
Verona Pharma, Inc. $1,500.00 06/11/2025 Consulting Fee Undisputed 06/30/2026 1233816935 CMS

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
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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