Michael Armstrong, PA-C
NPI 1740236587 · Medical Physician Assistant · Fairfax, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Armstrong, PA-C is a Medical Physician Assistant provider in Fairfax, VA (NPI 1740236587).
Provider details
- NPI number
- 1740236587
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 0110003723 (VA)
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
20 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
- 2006-05-25
- Last updated
- 2025-06-18
- Certified
- 2025-06-18
Frequently asked questions
- What is Michael Armstrong's NPI number?
- Michael Armstrong's National Provider Identifier (NPI) is 1740236587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Armstrong's specialty?
- Michael Armstrong is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Armstrong located?
- Michael Armstrong's practice location on file with NPPES is 4375 Fair Lakes Ct, Fairfax, VA 22033-4234.
- What is Michael Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Michael Armstrong is (571) 432-2600.
- Does Michael Armstrong accept Medicare?
- Michael Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Armstrong's NPI active?
- Yes — Michael Armstrong's NPI (1740236587) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.