Katherine Grierson
NPI 1295702777 · Physician Assistant · Royal Oak, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Grierson is a Physician Assistant provider in Royal Oak, MI (NPI 1295702777).
Provider details
- NPI number
- 1295702777
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- License
- 5601003655 (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
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
- 2006-03-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Grierson's NPI number?
- Katherine Grierson's National Provider Identifier (NPI) is 1295702777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Grierson's specialty?
- Katherine Grierson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Grierson located?
- Katherine Grierson's practice location on file with NPPES is 3601 W 13 Mile Rd, Royal Oak, MI 48073-6712.
- What is Katherine Grierson's phone number?
- The practice phone number listed in the NPPES registry for Katherine Grierson is (248) 898-5000.
- Does Katherine Grierson accept Medicare?
- Katherine Grierson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Grierson's NPI active?
- Yes — Katherine Grierson's NPI (1295702777) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.