Gary Ishkanian
Internal Medicine Physician · Mount Vernon, NY
Gary Ishkanian is an internal medicine physician with a practice address in Mount Vernon, New York, and NPI 1568541100, issued on Nov 3, 2006. Check the license (New York 186398, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gary Ishkanian
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 186398 NY
Self-reported in NPPES; status is on the state search - Practice location
- 559 Gramatan Ave, Mount Vernon, NY 10552
- Phone
- (914) 664-8000
- Enumerated
- Nov 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 01267894 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 559 Gramatan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Peggy C. Tallier, FNPRegistered Nurse1891487021
Verify Gary Ishkanian 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 186398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
727 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium42 claims
- Eliquis40 claims
- Furosemide25 claims
- Gabapentin25 claims
- Amlodipine Besylate24 claims
- Metoprolol Tartrate22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gary Ishkanian among 12,067 internal medicine physician records in New York
Gary Ishkanian is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 internal medicine physician records list a practice address in Mount Vernon
They are 32 of the 1,231 NPPES records with a practice address in Mount Vernon, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Mount Vernon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andres Antonio, MDMt Vernon, NY 105521437116746
- Manzoor Bhatti, MDMount Vernon, NY 105521629149562
- Valneo Buttari, MDMt Vernon, NY 105521770562530
- Steve Dicairano, M.D.Mt Vernon, NY 105521134216641
- Francis Polcari, MDMount Vernon, NY 105521679626071
- Susan Santry, MDMount Vernon, NY 105521154300911
- Shamima Chowdhury, MDMount Vernon, NY 105501154589026
- Mohammad HasanMount Vernon, NY 105501386402089
Common questions
What is Gary Ishkanian's NPI number?
Gary Ishkanian's National Provider Identifier (NPI) is 1568541100, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Ishkanian located?
The NPPES record lists a practice address at 559 Gramatan Ave, Mount Vernon, NY, 10552. Phone: (914) 664-8000. Providers update this record themselves, so call before visiting.
How can I verify Gary Ishkanian's license?
NPPES lists New York license number 186398, 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.
How much does Gary Ishkanian prescribe under Medicare Part D?
In 2024, Gary Ishkanian had 727 Medicare Part D claims for 121 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.