William Coburn, D.O.
NPI 1770698920 · Emergency Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Coburn, D.O. is a Emergency Medicine Physician provider in Pasadena, CA (NPI 1770698920).
Provider details
- NPI number
- 1770698920
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A6288 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
602 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 222 | $8 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 207 | $176 |
| Critical Care, First 30-74 Minutes99291 | 87 | $217 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 60 | $121 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 26 | $121 |
Typical Medicare-allowed amounts for these services range $8–$217 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 39 | 32 |
| Tramadol Hcl | 30 | 30 |
| Azithromycin | 26 | 26 |
| Cefdinir | 24 | 23 |
| Prednisone | 23 | 23 |
| Doxycycline Hyclate | 22 | 22 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 21 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2008-06-02
Frequently asked questions
- What is William Coburn's NPI number?
- William Coburn's National Provider Identifier (NPI) is 1770698920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Coburn's specialty?
- William Coburn is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Coburn located?
- William Coburn's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is William Coburn's phone number?
- The practice phone number listed in the NPPES registry for William Coburn is (626) 397-5106.
- Does William Coburn accept Medicare?
- William Coburn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Coburn's NPI active?
- Yes — William Coburn's NPI (1770698920) is active in the NPPES registry as of the last update on 2008-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.