Deanna Grenier-Mullins, N.P.
NPI 1558372292 · Adult Health Nurse Practitioner · Palo Alto, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deanna Grenier-Mullins, N.P. is a Adult Health Nurse Practitioner provider in Palo Alto, CA (NPI 1558372292).
Provider details
- NPI number
- 1558372292
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- RN 502181, NPF 7829 (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
19 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
- 2006-08-10
- Last updated
- 2023-03-07
- Certified
- 2020-07-20
Frequently asked questions
- What is Deanna Grenier-Mullins's NPI number?
- Deanna Grenier-Mullins's National Provider Identifier (NPI) is 1558372292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deanna Grenier-Mullins's specialty?
- Deanna Grenier-Mullins is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deanna Grenier-Mullins located?
- Deanna Grenier-Mullins's practice location on file with NPPES is 3801 Miranda Ave, Palo Alto, CA 94304-1207.
- What is Deanna Grenier-Mullins's phone number?
- The practice phone number listed in the NPPES registry for Deanna Grenier-Mullins is (408) 363-3000.
- Does Deanna Grenier-Mullins accept Medicare?
- Deanna Grenier-Mullins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deanna Grenier-Mullins's NPI active?
- Yes — Deanna Grenier-Mullins's NPI (1558372292) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.