Stephen D. Groskin, MD
Family Medicine Physician · Tiverton, RI
Stephen D. Groskin, MD is a family medicine physician with a practice address in Tiverton, Rhode Island, and NPI 1629045646, issued on Mar 8, 2006. Check the license (Rhode Island MD12295, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Stephen D. Groskin
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD12295 RI
Self-reported in NPPES; status is on the state search - Practice location
- 546 Main Road, Tiverton, RI 02878
- Phone
- (401) 816-5110
- Enumerated
- Mar 8, 2006
- Record last updated
- Jun 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (401) 816-5480
- Medicare enrollment
- Enrolled (PECOS I20070716000689); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 475 in Rhode Island → Look up another NPI →
Verify Stephen D. Groskin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD12295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average family medicine physician in 2024
4,196 Medicare Part D claims for 171 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 639 claims were for opioids.
Most prescribed
- Oxycodone Hcl245 claims
- Atorvastatin Calcium166 claims
- Alprazolam141 claims
- Lisinopril141 claims
- Pantoprazole Sodium137 claims
- Gabapentin125 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.
Industry payments in 2024: $180.49
9 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Prima Care, PCNewport, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen D. Groskin among 475 family medicine physician records in Rhode Island
Stephen D. Groskin, MD is one of 475 family medicine physician records with a practice address in Rhode Island. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 60% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1975 · median 2008 among the 282 with a school on file
- Record last updated2016 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Tiverton
They are 7 of the 133 NPPES records with a practice address in Tiverton, and 475 family medicine physician records in Rhode Island.
All 475 in Rhode Island → Every provider in Tiverton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Trent Ainsworth, D.O.Tiverton, RI 028781578944583
- Sami Assad, M.D.Tiverton, RI 028781649664756
- Sara Charnecki, MDTiverton, RI 028781104879766
- Danielle Gagnon, MDTiverton, RI 028781164051249
- W. Scott Keigwin, DOTiverton, RI 028781093712226
- Jane Miniutti, DOTiverton, RI 028781487651618
- Jamiel Ambrad, MDWakefield, RI 028791720076011
- Ingrid Feder, MDWakefield, RI 028791609872845
Common questions
What is Stephen D. Groskin, MD's NPI number?
Stephen D. Groskin, MD's National Provider Identifier (NPI) is 1629045646, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen D. Groskin, MD located?
The NPPES record lists a practice address at 546 Main Road, Tiverton, RI, 02878. Phone: (401) 816-5110. Providers update this record themselves, so call before visiting.
How can I verify Stephen D. Groskin, MD's license?
NPPES lists Rhode Island license number MD12295, 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 D. Groskin, MD prescribe under Medicare Part D?
In 2024, Stephen D. Groskin, MD had 4,196 Medicare Part D claims for 171 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.