John Jaski, M.D.
Medical Oncology Physician · Rexford, NY
John Jaski, M.D. is a medical oncology physician with a practice address in Rexford, New York, and NPI 1417944034, issued on Sep 29, 2005. Check the license (New York 118189, 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 Jaski
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 118189 NY
Self-reported in NPPES; status is on the state search - Practice location
- 896 Riverview RD, Rexford, NY 12148
- Phone
- (518) 399-4600
- Enumerated
- Sep 29, 2005
- Record last updated
- Dec 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (518) 399-0286
- Entity
- Type 1 · individual
Also registered at 896 Riverview RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salvatore Pipito, M.D.Hematology & Oncology Physician1730176397
- Stewart Silvers, M.D.Hematology & Oncology Physician1316934805
Verify John Jaski 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 118189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 medical oncology physician records list a practice address in Rexford
They are 1 of the 37 NPPES records with a practice address in Rexford, and 548 medical oncology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other medical oncology physician records in New York
- Anuja AbhyankarBuffalo, NY1679181424
- Ghassan Abou-Alfa, MDNew York, NY1134190168
- Nour AbuhadraNew York, NY1598146227
- Melissa AccordinoNew York, NY1740422039
- David Aggen, M.D., PH.D.New York, NY1194168955
- Carol Aghajanian, MDNew York, NY1275570533
- Omobolaji Akala, MD/PHDNew York, NY1366735722
- Duaa Al Rawi, MD PHDNew York, NY1356838353
- Louis Aledort, MDNew York, NY1861424061
- Reem AlsuwailemNew York, NY1689412801
Common questions
What is John Jaski, M.D.'s NPI number?
John Jaski, M.D.'s National Provider Identifier (NPI) is 1417944034, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Jaski, M.D. located?
The NPPES record lists a practice address at 896 Riverview RD, Rexford, NY, 12148. Phone: (518) 399-4600. Providers update this record themselves, so call before visiting.
How can I verify John Jaski, M.D.'s license?
NPPES lists New York license number 118189, 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. 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.