Doctor profile · Federal record

Dr. William Coburn, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Pasadena, CA

  • NPI 1770698920
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 W California Blvd
Pasadena, CA 911053010
(626) 397-5106

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 2, 2008
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #20A6288
Medicaid
CA #00AX62880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770698920. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
472
Distinct HCPCS
6
Medicare allowed
$53,266
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 186 174 $9
99285 Emergency department visit with high level of medical decision making 164 162 $181
99291 Critical care, first 30-74 minutes 62 61 $222
99284 Emergency department visit with moderate level of medical decision making 32 31 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $139
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $180

In context: peer comparison

Among 18 peers in Pasadena Emergency Medicine Physician, average services per provider: 68. This provider delivers 6.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
77
Patients
58
Total drug cost
$913
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 23 16 $117
Cefdinir Generic 17 17 $389
Tramadol Hcl Generic 14 14 $25
Pantoprazole Sodium Generic 12 0 $78
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 11 $305

Frequently asked questions

Auto-generated from federal data
What is Dr. William Coburn's medical specialty?
Dr. William Coburn practices Emergency Medicine Physician in Pasadena, CA.
Where does Dr. William Coburn practice?
Dr. William Coburn practices at 100 W California Blvd, Pasadena, CA 911053010. Office phone: 6263975106.
What is Dr. William Coburn's NPI?
Dr. William Coburn's National Provider Identifier (NPI) is 1770698920, issued by NPPES.
Does Dr. William Coburn accept Medicare assignment?
Yes. Dr. William Coburn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Coburn commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.