Mary Grace Weeks, CRNP
NPI 1528923604 · Family Nurse Practitioner · California, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Grace Weeks, CRNP is a Family Nurse Practitioner provider in California, MD (NPI 1528923604).
Provider details
- NPI number
- 1528923604
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R254662 (MD)
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
Under 1 yr in 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
- 2025-12-19
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Mary Grace Weeks's NPI number?
- Mary Grace Weeks's National Provider Identifier (NPI) is 1528923604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grace Weeks's specialty?
- Mary Grace Weeks is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Grace Weeks located?
- Mary Grace Weeks's practice location on file with NPPES is 22590 Shady Court, California, MD 20619-5009.
- What is Mary Grace Weeks's phone number?
- The practice phone number listed in the NPPES registry for Mary Grace Weeks is (301) 373-7900.
- Does Mary Grace Weeks accept Medicare?
- Mary Grace Weeks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Grace Weeks's NPI active?
- Yes — Mary Grace Weeks's NPI (1528923604) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.