Charles Gillihan, MD
NPI 1215490370 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Gillihan, MD is a Internal Medicine Physician provider in New York, NY (NPI 1215490370).
Provider details
- NPI number
- 1215490370
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 317112 (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
7 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
146 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 44 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 27 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 24 | $13 |
| Hemoglobin A1c Level83036 | 22 | $10 |
| Urine Microalbumin (protein) Level82043 | 17 | $6 |
| Liver Function Blood Test Panel80076 | 12 | $8 |
Typical Medicare-allowed amounts for these services range $6–$13 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 353 | 128 |
| Rosuvastatin Calcium | 160 | 64 |
| Amlodipine Besylate | 154 | 58 |
| Empagliflozinbrand: Jardiance | 148 | 38 |
| Famotidine | 121 | 48 |
| Diclofenac Sodium | 121 | 40 |
| Metformin Hcl | 117 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-07
- Last updated
- 2022-07-13
- Certified
- 2022-07-13
Frequently asked questions
- What is Charles Gillihan's NPI number?
- Charles Gillihan's National Provider Identifier (NPI) is 1215490370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Gillihan's specialty?
- Charles Gillihan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Gillihan located?
- Charles Gillihan's practice location on file with NPPES is 227 Madison St, New York, NY 10002-7537.
- What is Charles Gillihan's phone number?
- The practice phone number listed in the NPPES registry for Charles Gillihan is (212) 238-7444.
- Does Charles Gillihan accept Medicare?
- Charles Gillihan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Gillihan's NPI active?
- Yes — Charles Gillihan's NPI (1215490370) is active in the NPPES registry as of the last update on 2022-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.