Doctor profile · Federal record

Dr. John Wuchenich, MD

Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA

  • NPI 1144549973
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • 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
May 2010 — 16 yrs on file
Profile last updated
April 24, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A162333

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144549973. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
1
Medicare allowed
$4,380
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 46 32 $95

In context: peer comparison

Among 95 peers in this city , average services per provider: 85. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Wuchenich's medical specialty?
Dr. John Wuchenich practices Internal Medicine Physician in Stanford, CA.
Where does Dr. John Wuchenich practice?
Dr. John Wuchenich practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. John Wuchenich's NPI?
Dr. John Wuchenich's National Provider Identifier (NPI) is 1144549973, issued by NPPES.
Does Dr. John Wuchenich accept Medicare assignment?
Yes. Dr. John Wuchenich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Wuchenich commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.