NPPES file of Aug 9, 2026

Avi J. Grunin, M.D.

Pediatric Sports Medicine Physician · Dedham, MA

Avi J. Grunin, M.D. is a pediatric sports medicine physician with a practice address in Dedham, Massachusetts, and NPI 1215195318, issued on May 27, 2008. Check the license (Massachusetts 243114, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1215195318
Name
Avi J. Grunin
Credential
M.D.
Primary taxonomy
Pediatric Sports Medicine Physician 2080S0010X
License numbers
243114 MA
244421 NY
Self-reported in NPPES; status is on the state search
Practice location
1 Lyons St, Dedham, MA 02026
Phone
(617) 654-7111
Enumerated
May 27, 2008
Record last updated
Feb 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(781) 461-9349
Medicare enrollment
Enrolled (PECOS I20110813000021); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 2004
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 1 Lyons St

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

  1. Humeira BadshaRheumatology Physician1518964063
  2. Jane Bae, MDCardiovascular Disease Physician1841238318
  3. Sara Bagge, NPFamily Nurse Practitioner1376113928
  4. Connie Barr, M.D.Internal Medicine Physician1740280643
  5. Carolyn Baxter, PTPhysical Therapist1902152275
  6. Barry Benjamin, M.D.Otolaryngology Physician1720085376

Verify Avi J. Grunin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 243114    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 Massachusetts 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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Bills Medicare through one group practice

  1. Atrius Health IncDedham, MA

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

Pediatric Sports Medicine Physician providers in Massachusetts

There are 16 pediatric sports medicine physician records in Massachusetts.

All 16 in Massachusetts → Every provider in Dedham →

Other pediatric sports medicine physician records in Massachusetts

  1. Celina Francesca De Borja, MDBoston, MA1174044341
  2. Thomas DevriesBrockton, MA1518353820
  3. Courtney Duckworth, MDBoston, MA1407506934
  4. Jessica Flynn, M.D.Burlington, MA1235201435
  5. Joana Fraser, M.D.Boston, MA1801113220
  6. Sarah Jackson Oconnor, MDBoston, MA1356603799
  7. Agnieszka KowalczykBoston, MA1205243078
  8. Peter Kriz, MDBoston, MA1881681310
  9. Jeffrey Lo, MDBoston, MA1730506999
  10. Hugo Paquin, MD, FRCPC, FAAPBoston, MA1881047983

Common questions

What is Avi J. Grunin, M.D.'s NPI number?

Avi J. Grunin, M.D.'s National Provider Identifier (NPI) is 1215195318, issued on May 27, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Avi J. Grunin, M.D. located?

The NPPES record lists a practice address at 1 Lyons St, Dedham, MA, 02026. Phone: (617) 654-7111. Providers update this record themselves, so call before visiting.

How can I verify Avi J. Grunin, M.D.'s license?

NPPES lists Massachusetts license number 243114, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.