Ronald Grelsamer, M.D.
Orthopaedic Surgery Physician · New York, NY
Ronald Grelsamer, M.D. is an orthopaedic surgery physician with a practice address in New York, New York, and NPI 1699731752, issued on Apr 26, 2006. Check the license (New York 144292, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald Grelsamer
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 144292 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 E 98TH St, New York, NY 10029
- Phone
- (212) 241-6980
- Enumerated
- Apr 26, 2006
- Entity
- Type 1 · individual
Also registered at 5 E 98TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Grelsamer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 144292Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Orthopaedic Surgery Physician providers in New York
There are 1,339 orthopaedic surgery physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other orthopaedic surgery physician records in New York
- Amr Abdelgawad, M.D.Brooklyn, NY1720228547
- Zachary Aberman, M.D.Plainview, NY1679005391
- Robert Ablove, MDBuffalo, NY1114982865
- J. David Abraham, MDAlbany, NY1285601005
- Armand Abulencia, MDHuntington, NY1093733545
- Imad Abushahin, MDMiddletown, NY1275013609
- John Acampa, M.D.Bay Shore, NY1982606257
- Albert Accettola, MDStaten Island, NY1972584696
- George Ackerman, M.D.Garden City, NY1720393259
- Paul Ackerman, MDBrooklyn, NY1306899786
Common questions
What is Ronald Grelsamer, M.D.'s NPI number?
Ronald Grelsamer, M.D.'s National Provider Identifier (NPI) is 1699731752, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Grelsamer, M.D. located?
The NPPES record lists a practice address at 5 E 98TH St, New York, NY, 10029. Phone: (212) 241-6980. Providers update this record themselves, so call before visiting.
How can I verify Ronald Grelsamer, M.D.'s license?
NPPES lists New York license number 144292, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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) 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 27, 2026.