Ann Walker, PA
NPI 1427456284 · Physician Assistant · Warren, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Walker, PA is a Physician Assistant provider in Warren, MI (NPI 1427456284).
Provider details
- NPI number
- 1427456284
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 5601007227 (MI)
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
11 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
- 2014-12-10
- Last updated
- 2020-11-25
- Certified
- 2020-11-25
Frequently asked questions
- What is Ann Walker's NPI number?
- Ann Walker's National Provider Identifier (NPI) is 1427456284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Walker's specialty?
- Ann Walker is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann Walker located?
- Ann Walker's practice location on file with NPPES is 11800 E 12 Mile Rd, Warren, MI 48093-3472.
- What is Ann Walker's phone number?
- The practice phone number listed in the NPPES registry for Ann Walker is (866) 501-3627.
- Does Ann Walker accept Medicare?
- Ann Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Walker's NPI active?
- Yes — Ann Walker's NPI (1427456284) is active in the NPPES registry as of the last update on 2020-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.