Heidi Callahan, P.A.
NPI 1699778811 · Physician Assistant · Salisbury, MD
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Callahan, P.A. is a Physician Assistant provider in Salisbury, MD (NPI 1699778811).
Provider details
- NPI number
- 1699778811
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- C01701 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-05-23
- Last updated
- 2023-03-07
Frequently asked questions
- What is Heidi Callahan's NPI number?
- Heidi Callahan's National Provider Identifier (NPI) is 1699778811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Callahan's specialty?
- Heidi Callahan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heidi Callahan located?
- Heidi Callahan's practice location on file with NPPES is 100 E Carroll St, Salisbury, MD 21801-5422.
- What is Heidi Callahan's phone number?
- The practice phone number listed in the NPPES registry for Heidi Callahan is (410) 543-7530.
- Does Heidi Callahan accept Medicare?
- Heidi Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Callahan's NPI active?
- Yes — Heidi Callahan's NPI (1699778811) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.