Gary Hermansen, NP
NPI 1134277254 · Psychiatric/Mental Health Nurse Practitioner · Sausalito, CA
Gary Hermansen, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Sausalito, CA (NPI 1134277254).
Provider details
- NPI number
- 1134277254
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 7066932-8900 (UT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Chiropractic 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
- 2007-01-08
- Last updated
- 2019-07-17
Frequently asked questions
- What is Gary Hermansen's NPI number?
- Gary Hermansen's National Provider Identifier (NPI) is 1134277254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Hermansen's specialty?
- Gary Hermansen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gary Hermansen located?
- Gary Hermansen's practice location on file with NPPES is 308 Donahue St, Sausalito, CA 94965-1032.
- What is Gary Hermansen's phone number?
- The practice phone number listed in the NPPES registry for Gary Hermansen is (415) 535-3659.
- Is Gary Hermansen's NPI active?
- Yes — Gary Hermansen's NPI (1134277254) is active in the NPPES registry as of the last update on 2019-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.