Mark L Wu, MD
NPI 1366536625 · Anatomic Pathology & Clinical Pathology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark L Wu, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Orange, CA (NPI 1366536625).
Provider details
- NPI number
- 1366536625
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 000000A72344 (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
- 2006-10-03
- Last updated
- 2008-03-25
Frequently asked questions
- What is Mark L Wu's NPI number?
- Mark L Wu's National Provider Identifier (NPI) is 1366536625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark L Wu's specialty?
- Mark L Wu is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark L Wu located?
- Mark L Wu's practice location on file with NPPES is Uci Medical Center, Orange, CA 92868.
- What is Mark L Wu's phone number?
- The practice phone number listed in the NPPES registry for Mark L Wu is (714) 456-2986.
- Does Mark L Wu accept Medicare?
- Mark L Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark L Wu's NPI active?
- Yes — Mark L Wu's NPI (1366536625) is active in the NPPES registry as of the last update on 2008-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.