Doctor profile · Federal record

Dr. Hannah Mentjes, PA-C

Physician Assistant · Medical Physician Assistant · Stanford, CA

  • NPI 1437706652
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
August 2019 — 7 yrs on file
Profile last updated
October 29, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #59684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437706652. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
1
Medicare allowed
$6,572
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 33 23 $199

In context: peer comparison

Among 89 peers in Stanford Physician Assistant, average services per provider: 64. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hannah Mentjes's medical specialty?
Dr. Hannah Mentjes practices Physician Assistant in Stanford, CA.
Where does Dr. Hannah Mentjes practice?
Dr. Hannah Mentjes practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Hannah Mentjes's NPI?
Dr. Hannah Mentjes's National Provider Identifier (NPI) is 1437706652, issued by NPPES.
Does Dr. Hannah Mentjes accept Medicare assignment?
Yes. Dr. Hannah Mentjes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hannah Mentjes commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.