Margaret Callahan, MD
NPI 1699018176 · Pediatrics Physician · Rochester, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Callahan, MD is a Pediatrics Physician provider in Rochester, NY (NPI 1699018176).
Provider details
- NPI number
- 1699018176
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 285313 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-03
- Last updated
- 2016-10-28
Frequently asked questions
- What is Margaret Callahan's NPI number?
- Margaret Callahan's National Provider Identifier (NPI) is 1699018176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Callahan's specialty?
- Margaret Callahan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Callahan located?
- Margaret Callahan's practice location on file with NPPES is 601 Elmwood Ave Box 777r, Rochester, NY 14642-0001.
- What is Margaret Callahan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Callahan is (585) 275-4600.
- Does Margaret Callahan accept Medicare?
- Margaret Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Callahan's NPI active?
- Yes — Margaret Callahan's NPI (1699018176) is active in the NPPES registry as of the last update on 2016-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.