Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

DENNIS KIRSTEN

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner

NPI
1912121583
CMS profile
1129583
Location
FLAGSTAFF, AZ

General Payments · PY2018–2021

$462.30

  • Reported across 24 records
  • CMS publication 2026-01-23

Latest program year · PY2021

$330.97

16 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

PY2021 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $330.97 16

By paying entity

PY2021 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $14.84 1
PY2019 $44.19 3
PY2020 $72.30 4
PY2021 $330.97 16

Payment records · PY2021 (16)

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

Program year 2021 201820192020 Record-level detail is published for PY2021; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
BioDelivery Sciences International, Inc. $17.50 02/24/2021 Food and Beverage Undisputed 01/23/2026 817725263 CMS
BioDelivery Sciences International, Inc. $20.32 04/28/2021 Food and Beverage Undisputed 01/23/2026 817739447 CMS
BioDelivery Sciences International, Inc. $20.40 07/28/2021 Food and Beverage Undisputed 01/23/2026 817758667 CMS
BioDelivery Sciences International, Inc. $18.06 11/17/2021 Food and Beverage Undisputed 01/23/2026 817783925 CMS
Biohaven Pharmaceuticals, Inc. $18.56 03/08/2021 Food and Beverage Undisputed 01/23/2026 852756413 CMS
Biohaven Pharmaceuticals, Inc. $27.62 03/30/2021 Food and Beverage Undisputed 01/23/2026 852756415 CMS
Biohaven Pharmaceuticals, Inc. $22.99 04/12/2021 Food and Beverage Undisputed 01/23/2026 852756417 CMS
Biohaven Pharmaceuticals, Inc. $22.59 11/10/2021 Food and Beverage Undisputed 01/23/2026 852756419 CMS
Collegium Pharmaceutical, Inc. $18.24 01/08/2021 Food and Beverage Undisputed 01/23/2026 789456963 CMS
Collegium Pharmaceutical, Inc. $20.12 02/15/2021 Food and Beverage Undisputed 01/23/2026 789456973 CMS
Collegium Pharmaceutical, Inc. $17.99 03/18/2021 Food and Beverage Undisputed 01/23/2026 789456967 CMS
Collegium Pharmaceutical, Inc. $20.32 04/19/2021 Food and Beverage Undisputed 01/23/2026 789456975 CMS
Collegium Pharmaceutical, Inc. $22.31 05/26/2021 Food and Beverage Undisputed 01/23/2026 789456981 CMS
Collegium Pharmaceutical, Inc. $21.73 06/24/2021 Food and Beverage Undisputed 01/23/2026 789456985 CMS
Collegium Pharmaceutical, Inc. $20.96 07/26/2021 Food and Beverage Undisputed 01/23/2026 789456991 CMS
Collegium Pharmaceutical, Inc. $21.26 10/11/2021 Food and Beverage Undisputed 01/23/2026 789456995 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021
Generated from
OP_DTL_GNRL_PGYR2021_P01232026_01102026.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.