MR. STANLEY FERNANDO MESEN PMHNP
NPI 1851084727
Nurse Practitioner - Psychiatric/Mental Health in San Jose, CA

Active since May 29, 2023PECOS EnrolledAccepts Medicare Assignment
99 ALMADEN BLVD STE 600, SAN JOSE, CA 95113(256) 500-8688(855) 670-7900 Get Directions Write a Review

NPPES record last updated: April 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 25, 2026, May 7, 2024, Jul 5, 2023 and 1 more (4 updates tracked since 2023).

About Mr. Stanley Fernando Mesen Pmhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. STANLEY FERNANDO MESEN PMHNP (NPI 1851084727) is an individual psychiatric/mental health provider in San Jose, California, licensed in California (95025013) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1851084727
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. STANLEY FERNANDO MESENCredential: PMHNP
Location Address99 ALMADEN BLVD STE 600San Jose, CA 95113-1605
Mailing Address5228 Vantage Ave Apt 5Valley Village, CA 91607-5017 · (323) 304-9855
Fax(855) 670-7900
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 29, 2023
Last NPPES UpdateApril 25, 20264 updates tracked since enumeration
NPPES CertifiedApril 25, 2026
NPI 1851084727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in CA · 95025013
99 ALMADEN BLVD STE 600, San Jose, CA 95113

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Stanley Fernando Mesen Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163880329
PECOS Enrollment IDI20230620002100
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95113 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physiological Laboratory
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Non-emergency Medical Transport (VAN)
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Nurse Practitioner
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113
Behavior Technician
99 ALMADEN BLVD STE 600
SAN JOSE, CA 95113

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stanley Mesen's NPI number?

The NPI number for Stanley Mesen is 1851084727. It was assigned to this individual provider in the NPPES registry on May 29, 2023.

Where is Stanley Mesen located?

Stanley Mesen practices at 99 Almaden Blvd Ste 600, San Jose, CA 95113. The listed phone number is (256) 500-8688.

What is Stanley Mesen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Stanley Mesen enrolled in Medicare?

Yes. Stanley Mesen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stanley Mesen accept?

Health plans from Providence Health Plan list Stanley Mesen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stanley Mesen was last updated on April 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.