Doctor profile · Federal record

Dr. Stanley Mesen, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Valencia, CA

  • NPI 1851084727
  • 3 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25000 Avenue Stanford Ste 167
Valencia, CA 913554596
(818) 600-2034
Mailing address
5228 Vantage Ave Apt 5
Valley Village, CA 916075017

Credentials & registration

NPPES · NUCC
NPI registered
May 2023 — 3 yrs on file
Profile last updated
May 7, 2024
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
California #95025013

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851084727. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$4,797
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 27 17 $118
90833 Psychotherapy with evaluation and management visit, 30 minutes 26 19 $62

In context: peer comparison

Among 3 peers in Valencia Psychiatric/Mental Health Nurse Practitioner, average services per provider: 60. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stanley Mesen's medical specialty?
Dr. Stanley Mesen practices Psychiatric/Mental Health Nurse Practitioner in Valencia, CA.
Where does Dr. Stanley Mesen practice?
Dr. Stanley Mesen practices at 25000 Avenue Stanford Ste 167, Valencia, CA 913554596. Office phone: 8186002034.
What is Dr. Stanley Mesen's NPI?
Dr. Stanley Mesen's National Provider Identifier (NPI) is 1851084727, issued by NPPES.
What procedures does Dr. Stanley Mesen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.