NPPES file of Aug 9, 2026

Stephen M. Hendriksen, MD

Emergency Medicine Physician · Warwick, RI

Stephen M. Hendriksen, MD is an emergency medicine physician with a practice address in Warwick, Rhode Island, and NPI 1811125073, issued on Jun 26, 2009. Check the license (Rhode Island MD18464, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811125073
Name
Stephen M. Hendriksen
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD18464 RI
Self-reported in NPPES; status is on the state search
Practice location
455 Toll Gate RD, Warwick, RI 02886
Phone
(401) 737-7000
Enumerated
Jun 26, 2009
Record last updated
Jul 12, 2024
Fax
(401) 736-4546
Medicare enrollment
Enrolled (PECOS I20220707002001); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 455 Toll Gate RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Reshma Abraham, MDInternal Medicine Physician1972943413
  2. Ahmad Abu Dayyeh, MDInternal Medicine Physician1265322275
  3. Hadeel Al-Rawi, MDInternal Medicine Physician1780569533
  4. Matthew AlamEmergency Medicine Physician1609718170
  5. Mareena Aldayani, DOStudent in an Organized Health Care Education/Training Program1740977610
  6. Khalid Alhourani, MDPulmonary Disease Physician1831232636

Verify Stephen M. Hendriksen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD18464
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Rhode Island license search

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82% fewer Medicare Part D claims than the average emergency medicine physician in 2024

41 Medicare Part D claims for 22 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Stephen Hendriksen41
  2. Specialty average226

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $166.00

2 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Hendriksen$166.00
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Affinity Physicians LLC.Warwick, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen M. Hendriksen among 418 emergency medicine physician records in Rhode Island

Stephen M. Hendriksen, MD is one of 418 emergency medicine physician records with a practice address in Rhode Island. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 39% of them.

  • NPI issued2009 · 39% of these records are older, 59% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2009 · median 2012 among the 264 with a school on file
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

102 emergency medicine physician records list a practice address in Warwick

They are 102 of the 2,776 NPPES records with a practice address in Warwick, and 418 emergency medicine physician records in Rhode Island.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Alfonso Cardenas, M.D.Warwick, RI 028861588632541
  2. Norman Chou, M.D.Warwick, RI 028861396713905
  3. Peter Graves, MDWarwick, RI 028861346218989
  4. Katie Hamblett, MDWarwick, RI 028861881635639
  5. Eric Harrington, D.O.Warwick, RI 028861124096102
  6. Robert Heinl, M.D.Warwick, RI 028861679541213
  7. Kathleen Katamura, MDWarwick, RI 028861477594281
  8. Kenneth Larsen, D.OWarwick, RI 028861003894940

Common questions

What is Stephen M. Hendriksen, MD's NPI number?

Stephen M. Hendriksen, MD's National Provider Identifier (NPI) is 1811125073, issued on Jun 26, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Stephen M. Hendriksen, MD located?

The NPPES record lists a practice address at 455 Toll Gate RD, Warwick, RI, 02886. Phone: (401) 737-7000. Providers update this record themselves, so call before visiting.

How can I verify Stephen M. Hendriksen, MD's license?

NPPES lists Rhode Island license number MD18464, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephen M. Hendriksen, MD prescribe under Medicare Part D?

In 2024, Stephen M. Hendriksen, MD had 41 Medicare Part D claims for 22 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.