Eileen Callahan, MD
NPI 1396711776 · Geriatric Medicine (Internal Medicine) Physician · New York, NY
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eileen Callahan, MD is a Geriatric Medicine (Internal Medicine) Physician provider in New York, NY (NPI 1396711776).
Provider details
- NPI number
- 1396711776
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1981031 (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
20 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
871 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 288 | $106 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 126 | $55 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $72 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 98 | $158 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 44 | $197 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 229 | 71 |
| Sertraline Hcl | 170 | 36 |
| Amlodipine Besylate | 153 | 49 |
| Lisinopril | 123 | 36 |
| Galantamine Hbrbrand: Galantamine Er | 97 | 18 |
| Losartan Potassium | 83 | 34 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2014-03-26
Frequently asked questions
- What is Eileen Callahan's NPI number?
- Eileen Callahan's National Provider Identifier (NPI) is 1396711776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen Callahan's specialty?
- Eileen Callahan is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Eileen Callahan located?
- Eileen Callahan's practice location on file with NPPES is 1440 Madison Ave, New York, NY 10029-6508.
- What is Eileen Callahan's phone number?
- The practice phone number listed in the NPPES registry for Eileen Callahan is (212) 659-8552.
- Does Eileen Callahan accept Medicare?
- Eileen Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eileen Callahan's NPI active?
- Yes — Eileen Callahan's NPI (1396711776) is active in the NPPES registry as of the last update on 2014-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.