Brian Woo, M.D.
NPI 1588977524 · Emergency Medicine Physician · Selma, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Woo, M.D. is a Emergency Medicine Physician provider in Selma, CA (NPI 1588977524).
Provider details
- NPI number
- 1588977524
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A122565 (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
15 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
663 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 220 | $176 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 168 | $122 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 134 | $8 |
| X-Ray of Chest, 1 View71045 | 74 | $9 |
| Critical Care, First 30-74 Minutes99291 | 52 | $217 |
| X-Ray of Chest, 2 Views71046 | 15 | $11 |
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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 114 | 111 |
| Ondansetronbrand: Ondansetron Odt | 107 | 104 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 57 | 56 |
| Cyclobenzaprine Hcl | 35 | 35 |
| Ciprofloxacin Hcl | 32 | 32 |
| Lactulose | 28 | 28 |
| Cephalexin | 26 | 26 |
| Famotidine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-20
- Last updated
- 2023-05-21
- Certified
- 2023-05-21
Frequently asked questions
- What is Brian Woo's NPI number?
- Brian Woo's National Provider Identifier (NPI) is 1588977524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Woo's specialty?
- Brian Woo is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Woo located?
- Brian Woo's practice location on file with NPPES is 1141 Rose Ave, Selma, CA 93662-3241.
- What is Brian Woo's phone number?
- The practice phone number listed in the NPPES registry for Brian Woo is (559) 891-1000.
- Does Brian Woo accept Medicare?
- Brian Woo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Woo's NPI active?
- Yes — Brian Woo's NPI (1588977524) is active in the NPPES registry as of the last update on 2023-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.