Doctor profile · Federal record

Dr. Dan Wajsman, MD

Anesthesiology Physician (CMS: Anesthesiology) · Walnut Creek, CA

  • NPI 1740226695
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 29 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 939-3000
fax (925) 947-5286
Mailing address
Po Box 7793
San Francisco, CA 941207793

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A79021
Medicaid
CA #00A790210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740226695. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
393
Distinct HCPCS
4
Medicare allowed
$53,287
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 173 173 $132
00812 Anesthesia for exam of colon using an endoscope 76 76 $106
00813 Anesthesia for procedure on small and large bowel using an endoscope 74 74 $168
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 70 70 $143

In context: peer comparison

Among 28 peers in Walnut Creek Anesthesiology Physician, average services per provider: 70. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$180
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Celltrion USA INC. 2 $49.91
Lilly USA, LLC 1 $32.10
Merck Sharp & Dohme LLC 1 $26.83
Takeda Pharmaceuticals U.S.A., INC. 1 $25.94
Intercept Pharmaceuticals, INC. 1 $23.13
Phathom Pharmaceuticals, INC. 1 $22.12

By nature of payment

Food and Beverage
$158
Education
$23

Frequently asked questions

Auto-generated from federal data
What is Dr. Dan Wajsman's medical specialty?
Dr. Dan Wajsman practices Anesthesiology Physician in Walnut Creek, CA.
Where does Dr. Dan Wajsman practice?
Dr. Dan Wajsman practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259393000.
What is Dr. Dan Wajsman's NPI?
Dr. Dan Wajsman's National Provider Identifier (NPI) is 1740226695, issued by NPPES.
Does Dr. Dan Wajsman accept Medicare assignment?
Yes. Dr. Dan Wajsman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dan Wajsman commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.