Doctor profile · Federal record

Dr. Mark Fujii, MD

Anesthesiology Physician (CMS: Anesthesiology) · San Ramon, CA

  • NPI 1831134873
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2420 Camino Ramon Ste 270
San Ramon, CA 945834319
(925) 543-0140
fax (925) 543-0145
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 27, 2010
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #G76538
Medicaid
CA #00G785380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831134873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
174
Distinct HCPCS
9
Medicare allowed
$26,004
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 32 32 $137
00142 Anesthesia for lens surgery 30 25 $145
01402 Anesthesia for procedure for total knee joint replacement 25 24 $336
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 22 20 $164
00813 Anesthesia for procedure on small and large bowel using an endoscope 15 15 $177
36620 Insertion of artery tube for blood sampling or infusion through skin 13 13 $47
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 13 13 $69
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 12 12 $76
76937 Ultrasonic guidance for blood vessel access 12 12 $15

In context: peer comparison

Among 5 peers in San Ramon Anesthesiology Physician, average services per provider: 35. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 1 $23.88

By nature of payment

Food and Beverage
$24

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Fujii's medical specialty?
Dr. Mark Fujii practices Anesthesiology Physician in San Ramon, CA.
Where does Dr. Mark Fujii practice?
Dr. Mark Fujii practices at 2420 Camino Ramon Ste 270, San Ramon, CA 945834319. Office phone: 9255430140.
What is Dr. Mark Fujii's NPI?
Dr. Mark Fujii's National Provider Identifier (NPI) is 1831134873, issued by NPPES.
Does Dr. Mark Fujii accept Medicare assignment?
Yes. Dr. Mark Fujii accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Fujii commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.