Sanaz Underwood, FNP,MSN,PHD
NPI 1134490253 · Nurse Practitioner · Hollister, CA
Sanaz Underwood, FNP,MSN,PHD is a Nurse Practitioner provider in Hollister, CA (NPI 1134490253).
Provider details
- NPI number
- 1134490253
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP,MSN,PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15120 (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
14 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
- 2012-01-20
- Last updated
- 2012-01-20
Frequently asked questions
- What is Sanaz Underwood's NPI number?
- Sanaz Underwood's National Provider Identifier (NPI) is 1134490253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sanaz Underwood's specialty?
- Sanaz Underwood is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sanaz Underwood located?
- Sanaz Underwood's practice location on file with NPPES is 911 Sunset Dr, Hollister, CA 95023-5606.
- What is Sanaz Underwood's phone number?
- The practice phone number listed in the NPPES registry for Sanaz Underwood is (831) 636-8934.
- Is Sanaz Underwood's NPI active?
- Yes — Sanaz Underwood's NPI (1134490253) is active in the NPPES registry as of the last update on 2012-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.