Maria Callahan, PA-C
NPI 1356840805 · Physician Assistant · Flushing, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Callahan, PA-C is a Physician Assistant provider in Flushing, NY (NPI 1356840805).
Provider details
- NPI number
- 1356840805
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 021804 (NY)
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
8 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
- 2018-02-09
- Last updated
- 2018-02-09
Frequently asked questions
- What is Maria Callahan's NPI number?
- Maria Callahan's National Provider Identifier (NPI) is 1356840805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Callahan's specialty?
- Maria Callahan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Callahan located?
- Maria Callahan's practice location on file with NPPES is 5645 Main St, Flushing, NY 11355-5045.
- What is Maria Callahan's phone number?
- The practice phone number listed in the NPPES registry for Maria Callahan is (718) 670-2000.
- Does Maria Callahan accept Medicare?
- Maria Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Callahan's NPI active?
- Yes — Maria Callahan's NPI (1356840805) is active in the NPPES registry as of the last update on 2018-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.