Doctor profile · Federal record

Dr. Brian Ash, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Menlo Park, CA

  • NPI 1962669531
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1422 El Camino Real
Menlo Park, CA 940254110
(650) 903-9500
fax (650) 903-9900

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
June 20, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #103642

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962669531. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
41
Distinct HCPCS
2
Medicare allowed
$8,869
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 29 14 $236
00811 Anesthesia for other procedure on large bowel using an endoscope 12 12 $169

In context: peer comparison

Among 10 peers in this city , average services per provider: 29. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Ash's medical specialty?
Dr. Brian Ash practices Anesthesiology Physician in Menlo Park, CA.
Where does Dr. Brian Ash practice?
Dr. Brian Ash practices at 1422 El Camino Real, Menlo Park, CA 940254110. Office phone: 6509039500.
What is Dr. Brian Ash's NPI?
Dr. Brian Ash's National Provider Identifier (NPI) is 1962669531, issued by NPPES.
Does Dr. Brian Ash accept Medicare assignment?
Yes. Dr. Brian Ash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Ash commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.