Doctor profile · Federal record

Dr. John Walsh, MD

Anatomic Pathology Physician · Walnut Creek, CA

  • NPI 1164500260
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1425 S Main St
Walnut Creek, CA 945965318
(925) 295-4000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 22, 2021
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
California #G11029
Medicaid
CA #00G110290

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164500260. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
1
Medicare allowed
$1,385
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 33 17 $42

In context: peer comparison

Among 2 peers in Walnut Creek Anatomic Pathology Physician, average services per provider: 44. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $146.14

By nature of payment

Food and Beverage
$146

Frequently asked questions

Auto-generated from federal data
What is Dr. John Walsh's medical specialty?
Dr. John Walsh practices Anatomic Pathology Physician in Walnut Creek, CA.
Where does Dr. John Walsh practice?
Dr. John Walsh practices at 1425 S Main St, Walnut Creek, CA 945965318. Office phone: 9252954000.
What is Dr. John Walsh's NPI?
Dr. John Walsh's National Provider Identifier (NPI) is 1164500260, issued by NPPES.
What procedures does Dr. John Walsh commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.