NPPES file of Aug 9, 2026

Seth Clark

Addiction Medicine (Internal Medicine) Physician · Providence, RI

Seth Clark is an addiction medicine (internal medicine) physician with a practice address in Providence, Rhode Island, and NPI 1801208798, issued on May 27, 2014. Check the license (Rhode Island MD15837, 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
1801208798
Name
Seth Clark
Primary taxonomy
Addiction Medicine (Internal Medicine) Physician 207RA0401X
License number
MD15837 RI
Self-reported in NPPES; status is on the state search
Practice location
200 Corliss St, Providence, RI 02904
Phone
(401) 606-8530
Enumerated
May 27, 2014
Record last updated
Jun 24, 2025
Fax
(401) 606-8549
Medicare enrollment
Enrolled (PECOS I20170626001451); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2014
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 200 Corliss St

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

  1. Prachi Bhuptani, PHDClinical Psychologist1922705698
  2. Kelsey Coletta, LICSW, LCDPAddiction (Substance Use Disorder) Counselor1689256638

Verify Seth Clark 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 MD15837    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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74% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024

216 Medicare Part D claims for 46 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D.

  1. Seth Clark216
  2. Specialty average829

Most prescribed

  1. Buprenorphine-Naloxone149 claims
  2. Naloxone Hcl14 claims
  3. Trazodone Hcl12 claims
  4. Clonazepam11 claims

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.

2 hospitals and group practices

  1. Rhode Island HospitalProvidence, RI · Acute Care Hospitals4 of 5 stars
  2. Lifespan Physician Group IncProvidence, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Addiction Medicine (Internal Medicine) Physician providers in Rhode Island

There are 6 addiction medicine (internal medicine) physician records in Rhode Island.

All 6 in Rhode Island → Every provider in Providence →

Other addiction medicine (internal medicine) physician records in Rhode Island

  1. Alex Etienne, MDProvidence, RI1447221866
  2. Susan Hart, M.D.Providence, RI1023043056
  3. Laura Henseler, M.D.Providence, RI1073575049
  4. Rahul Vanjani, M.D.Providence, RI1134487135
  5. Caroline Wunsch, MDProvidence, RI1629427265

Common questions

What is Seth Clark's NPI number?

Seth Clark's National Provider Identifier (NPI) is 1801208798, issued on May 27, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Seth Clark located?

The NPPES record lists a practice address at 200 Corliss St, Providence, RI, 02904. Phone: (401) 606-8530. Providers update this record themselves, so call before visiting.

How can I verify Seth Clark's license?

NPPES lists Rhode Island license number MD15837, 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 Seth Clark prescribe under Medicare Part D?

In 2024, Seth Clark had 216 Medicare Part D claims for 46 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.