Stanley Mesen, PMHNP
NPI 1851084727 · Psychiatric/Mental Health Nurse Practitioner · San Jose, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stanley Mesen, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in San Jose, CA (NPI 1851084727).
Provider details
- NPI number
- 1851084727
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- No
- License
- 95025013 (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
3 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
- 2023-05-29
- Last updated
- 2026-04-25
- Certified
- 2026-04-25
Frequently asked questions
- What is Stanley Mesen's NPI number?
- Stanley Mesen's National Provider Identifier (NPI) is 1851084727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stanley Mesen's specialty?
- Stanley Mesen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stanley Mesen located?
- Stanley Mesen's practice location on file with NPPES is 99 Almaden Blvd Ste 600, San Jose, CA 95113-1605.
- What is Stanley Mesen's phone number?
- The practice phone number listed in the NPPES registry for Stanley Mesen is (256) 500-8688.
- Does Stanley Mesen accept Medicare?
- Stanley Mesen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stanley Mesen's NPI active?
- Yes — Stanley Mesen's NPI (1851084727) is active in the NPPES registry as of the last update on 2026-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.