Deborah Frederick, MSN, NP, APRN-C
NPI 1578543526 · Acute Care Nurse Practitioner · Martinez, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Frederick, MSN, NP, APRN-C is a Acute Care Nurse Practitioner provider in Martinez, CA (NPI 1578543526).
Provider details
- NPI number
- 1578543526
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, NP, APRN-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN 475559; NP12820 (CA)
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
- 2006-01-17
- Last updated
- 2012-07-18
Frequently asked questions
- What is Deborah Frederick's NPI number?
- Deborah Frederick's National Provider Identifier (NPI) is 1578543526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Frederick's specialty?
- Deborah Frederick is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deborah Frederick located?
- Deborah Frederick's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.
- What is Deborah Frederick's phone number?
- The practice phone number listed in the NPPES registry for Deborah Frederick is (925) 370-4033.
- Does Deborah Frederick accept Medicare?
- Deborah Frederick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Frederick's NPI active?
- Yes — Deborah Frederick's NPI (1578543526) is active in the NPPES registry as of the last update on 2012-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.