Gary Ishkanian
NPI 1568541100 · Internal Medicine Physician · Mount Vernon, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Ishkanian is a Internal Medicine Physician provider in Mount Vernon, NY (NPI 1568541100).
Provider details
- NPI number
- 1568541100
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 186398 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,582 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 1,765 | $42 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 604 | $77 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 127 | $188 |
| Nursing Facility Discharge Day Management, 30 Minutes Or Less99315 | 86 | $85 |
Typical Medicare-allowed amounts for these services range $42–$188 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 42 | 29 |
| Apixabanbrand: Eliquis | 40 | 24 |
| Furosemide | 25 | 24 |
| Gabapentin | 25 | 21 |
| Amlodipine Besylate | 24 | 22 |
| Metoprolol Tartrate | 22 | 15 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Ishkanian's NPI number?
- Gary Ishkanian's National Provider Identifier (NPI) is 1568541100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Ishkanian's specialty?
- Gary Ishkanian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Ishkanian located?
- Gary Ishkanian's practice location on file with NPPES is 559 Gramatan Ave, Mount Vernon, NY 10552-2155.
- What is Gary Ishkanian's phone number?
- The practice phone number listed in the NPPES registry for Gary Ishkanian is (914) 664-8000.
- Does Gary Ishkanian accept Medicare?
- Gary Ishkanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Ishkanian's NPI active?
- Yes — Gary Ishkanian's NPI (1568541100) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.