Michael Woo, M.D.
NPI 1538273099 · Internal Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Woo, M.D. is a Internal Medicine Physician provider in Loma Linda, CA (NPI 1538273099).
Provider details
- NPI number
- 1538273099
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A69485 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Woo's NPI number?
- Michael Woo's National Provider Identifier (NPI) is 1538273099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Woo's specialty?
- Michael Woo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Woo located?
- Michael Woo's practice location on file with NPPES is 11201 Benton St, Loma Linda, CA 92357-1000.
- What is Michael Woo's phone number?
- The practice phone number listed in the NPPES registry for Michael Woo is (909) 825-7084.
- Does Michael Woo accept Medicare?
- Michael Woo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Woo's NPI active?
- Yes — Michael Woo's NPI (1538273099) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.