Mary Maccarthy, MPAS, PA-C
NPI 1689299513 · Medical Physician Assistant · Washington, DC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Maccarthy, MPAS, PA-C is a Medical Physician Assistant provider in Washington, DC (NPI 1689299513).
Provider details
- NPI number
- 1689299513
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPAS, PA-C
- Sex
- Female
- Sole proprietor
- No
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 tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-16
- Last updated
- 2020-06-16
- Certified
- 2020-06-16
Frequently asked questions
- What is Mary Maccarthy's NPI number?
- Mary Maccarthy's National Provider Identifier (NPI) is 1689299513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Maccarthy's specialty?
- Mary Maccarthy is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Maccarthy located?
- Mary Maccarthy's practice location on file with NPPES is 110 Irving St Nw, Washington, DC 20010-3017.
- What is Mary Maccarthy's phone number?
- The practice phone number listed in the NPPES registry for Mary Maccarthy is (202) 877-7000.
- Does Mary Maccarthy accept Medicare?
- Mary Maccarthy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Maccarthy's NPI active?
- Yes — Mary Maccarthy's NPI (1689299513) is active in the NPPES registry as of the last update on 2020-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.