NPPES file of Aug 9, 2026

Gregory Sadovnikoff, M.D.

Family Medicine Physician · Barrington, RI

Gregory Sadovnikoff, M.D. is a family medicine physician with a practice address in Barrington, Rhode Island, and NPI 1508841081, issued on Dec 7, 2005. Check the license (Rhode Island MD10134, 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
1508841081
Name
Gregory Sadovnikoff
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD10134 RI
160319 MA
Self-reported in NPPES; status is on the state search
Practice location
60 Bay Spring Ave, Barrington, RI 02806
Phone
(401) 289-2961
Enumerated
Dec 7, 2005
Record last updated
Apr 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170717002272); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1996
Telehealth
Offers telehealth (CMS)
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 60 Bay Spring Ave

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

  1. Debra Deragon, LICSWClinical Social Worker1851837298
  2. Taylor KoretskyMental Health Counselor1336950609
  3. Mariko Neveu, PA-CPhysician Assistant1356539266
  4. Kimberly Serra, PT, DPT, MTC, CSCSPhysical Therapist1790858199

Verify Gregory Sadovnikoff 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 MD10134    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average family medicine physician in 2024

253 Medicare Part D claims for 201 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Gregory Sadovnikoff253
  2. Specialty average3,544

Most prescribed

  1. Cefdinir50 claims
  2. Prednisone38 claims
  3. Ibuprofen11 claims
  4. Ofloxacin11 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.

Bills Medicare through one group practice

  1. Southcoast Physicians Group IncLakeville, MA

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

4 family medicine physician records list a practice address in Barrington

They are 4 of the 244 NPPES records with a practice address in Barrington, and 475 family medicine physician records in Rhode Island.

All 4 in Barrington → All 475 in Rhode Island → Every provider in Barrington →

Other family medicine physician records in Rhode Island

  1. Emily Ackerman, M.D.Slatersville, RI1740256395
  2. Matilda Addo, MDPawtucket, RI1649383241
  3. Benjamin Adler, M.D.West Warwick, RI1538515606
  4. Trent Ainsworth, D.O.Tiverton, RI1578944583
  5. Abdul Rahman Al Hout, MDSmithfield, RI1801381389
  6. Madiha Ali, M.D.Cranston, RI1083233373
  7. Joyce Alves, DOEast Providence, RI1205811635
  8. Jamiel Ambrad, MDWakefield, RI1720076011
  9. Gowri Anandarajah, MDPawtucket, RI1558342311
  10. Derek Andelloux, MDE Greenwich, RI1013145275

Common questions

What is Gregory Sadovnikoff, M.D.'s NPI number?

Gregory Sadovnikoff, M.D.'s National Provider Identifier (NPI) is 1508841081, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Sadovnikoff, M.D. located?

The NPPES record lists a practice address at 60 Bay Spring Ave, Barrington, RI, 02806. Phone: (401) 289-2961. Providers update this record themselves, so call before visiting.

How can I verify Gregory Sadovnikoff, M.D.'s license?

NPPES lists Rhode Island license number MD10134, 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 Gregory Sadovnikoff, M.D. prescribe under Medicare Part D?

In 2024, Gregory Sadovnikoff, M.D. had 253 Medicare Part D claims for 201 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.

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.