Doctor profile · Federal record

Dr. Johnny Chen, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Santa Maria, CA

  • NPI 1225286479
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 E Church St, Marian Regional Medical Center Dept of Anesthesiology
Santa Maria, CA 934545906
(803) 739-3000
fax (805) 739-3716
Mailing address
937 E Main St, Suite 201
Santa Maria, CA 934545909

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
February 26, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A106527
Medicaid
CA #1225286479

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225286479. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
95
Distinct HCPCS
3
Medicare allowed
$13,882
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 66 64 $116
01926 Anesthesia for x-ray on artery of brain, heart, or chest 18 18 $257
00140 Anesthesia for other procedure on eye 11 11 $145

In context: peer comparison

Among 4 peers in Santa Maria Anesthesiology Physician, average services per provider: 21. This provider delivers 4.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnny Chen's medical specialty?
Dr. Johnny Chen practices Anesthesiology Physician in Santa Maria, CA.
Where does Dr. Johnny Chen practice?
Dr. Johnny Chen practices at 1400 E Church St, Santa Maria, CA 934545906. Office phone: 8037393000.
What is Dr. Johnny Chen's NPI?
Dr. Johnny Chen's National Provider Identifier (NPI) is 1225286479, issued by NPPES.
Does Dr. Johnny Chen accept Medicare assignment?
Yes. Dr. Johnny Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnny Chen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for x-ray on artery of brain, heart, or chest (HCPCS 01926); Anesthesia for other procedure on eye (HCPCS 00140). Source: CMS Medicare Physician & Other Practitioners file.