NPPES file of Aug 9, 2026

Thomas Michael Gruhn

Physical Medicine & Rehabilitation Physician · East Northport, NY

Thomas Michael Gruhn is a physical medicine & rehabilitation physician with a practice address in East Northport, New York, and NPI 1447351093, issued on Sep 26, 2006. Check the license (New York 012195, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1447351093
Name
Thomas Michael Gruhn
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
012195 NY
Self-reported in NPPES; status is on the state search
Practice location
279 Larkfield RD, East Northport, NY 11731
Phone
(631) 262-1370
Enumerated
Sep 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(631) 262-0415
Medicare enrollment
Enrolled (PECOS I20110817000514); 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 279 Larkfield RD

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

  1. Pasquale Iannucci, DPTPhysical Therapist1215378617
  2. Joseph Kleynowski, DPTPhysical Therapist1013503135
  3. Matthew Masciandaro, DPT FMTPhysical Therapist1215309562
  4. Thomas Poudrier, DPTPhysical Therapist1871746198

Verify Thomas Michael Gruhn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 012195
    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 New York 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. Metro Physical Occupational Speech Massage Therapy And Acupuncture PllGarden City, NY

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

Thomas Michael Gruhn among 1,366 physical medicine & rehabilitation physician records in New York

Thomas Michael Gruhn is one of 1,366 physical medicine & rehabilitation physician records with a practice address in New York. 61% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 65% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1991 · median 2005 among the 710 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in New York

There are 1,366 physical medicine & rehabilitation physician records in New York.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Jennifer Aberger, DPTDeer Park, NY 117291477213890
  2. Elias Abraham, PTADeer Park, NY 117291992444111
  3. Danielle Degiorgio, D.O.East Setauket, NY 117331902117617
  4. Fahad Ghias, D.ODeer Park, NY 117291538504667
  5. Svetlana Ilizarov, M.D.East Setauket, NY 117331093722183
  6. Jonathan Raanan, MDEast Setauket, NY 117331790754976
  7. Parker BachisinCoram, NY 117271063261329
  8. Kari Delemarre Brand, DPTCoram, NY 117271811606247

Common questions

What is Thomas Michael Gruhn's NPI number?

Thomas Michael Gruhn's National Provider Identifier (NPI) is 1447351093, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Michael Gruhn located?

The NPPES record lists a practice address at 279 Larkfield RD, East Northport, NY, 11731. Phone: (631) 262-1370. Providers update this record themselves, so call before visiting.

How can I verify Thomas Michael Gruhn's license?

NPPES lists New York license number 012195, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. 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.

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.