John Assini, M.D.
Rheumatology Physician · Schenectady, NY
John Assini, M.D. is a rheumatology physician with a practice address in Schenectady, New York, and NPI 1255325106, issued on Sep 7, 2005. Check the license (New York 122341, 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
- John Assini
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 122341 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1270 Belmont Ave, Schenectady, NY 12308
- Phone
- (518) 386-3626
- Enumerated
- Sep 7, 2005
- Entity
- Type 1 · individual
Also registered at 1270 Belmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Adams, PTPhysical Therapist1740749183
- Sherry Alexander, PA-CPhysician Assistant1497938492
- Sarah Andress, OTOccupational Therapist1154881670
- Gianna Andreula, SLPSpeech-Language Pathologist1528522687
- Michelle Antiles, DOPhysical Medicine & Rehabilitation Physician1306811237
- Samantha Ayala, OTOccupational Therapist1386105526
Verify John Assini 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 122341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Rheumatology Physician providers in New York
There are 467 rheumatology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other rheumatology physician records in New York
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- Jihad Abialmouna, M.D.West Amherst, NY1396793782
- Omar Abialmouna, MDBuffalo, NY1518527092
- Irina Abramova, D.ONew Hyde Park, NY1174881551
- Steven Abramson, MDNew York, NY1144294687
- Adriana Abrudescu, MDJamaica, NY1194812933
- Donna Acquafredda, M.D.Staten Island, NY1720072481
- Mark Adler, M.DBrooklyn, NY1609991868
- Jay Adlersberg, MDNew York, NY1629140033
Common questions
What is John Assini, M.D.'s NPI number?
John Assini, M.D.'s National Provider Identifier (NPI) is 1255325106, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Assini, M.D. located?
The NPPES record lists a practice address at 1270 Belmont Ave, Schenectady, NY, 12308. Phone: (518) 386-3626. Providers update this record themselves, so call before visiting.
How can I verify John Assini, M.D.'s license?
NPPES lists New York license number 122341, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.