Doctor profile · Federal record

Dr. Diosdado Baja, M.D.

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

  • NPI 1801201553
  • Accepts Medicare
  • MIPS 79.2 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3626 Ruffin RD
San Diego, CA 921231810
(858) 565-9666
fax (858) 565-9441

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
September 20, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A141564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801201553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
2
Medicare allowed
$6,007
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 27 27 $144
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 16 16 $132

In context: peer comparison

Among 160 peers in San Diego Anesthesiology Physician, average services per provider: 24. This provider delivers 1.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diosdado Baja's medical specialty?
Dr. Diosdado Baja practices Anesthesiology Physician in San Diego, CA.
Where does Dr. Diosdado Baja practice?
Dr. Diosdado Baja practices at 3626 Ruffin RD, San Diego, CA 921231810. Office phone: 8585659666.
What is Dr. Diosdado Baja's NPI?
Dr. Diosdado Baja's National Provider Identifier (NPI) is 1801201553, issued by NPPES.
Does Dr. Diosdado Baja accept Medicare assignment?
Yes. Dr. Diosdado Baja accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diosdado Baja commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810). Source: CMS Medicare Physician & Other Practitioners file.