Margaret Mou, D.O.
NPI 1679955306 · Hospitalist Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mou, D.O. is a Hospitalist Physician provider in Los Angeles, CA (NPI 1679955306).
Provider details
- NPI number
- 1679955306
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 259 1st StMineola, NY 11501-3957Phone: (516) 663-0333
- 4000 24th StLubbock, TX 79410-1894Phone: (806) 725-0000
Registry dates
- Enumerated
- 2015-06-18
- Last updated
- 2025-12-18
- Certified
- 2025-12-18
Frequently asked questions
- What is Margaret Mou's NPI number?
- Margaret Mou's National Provider Identifier (NPI) is 1679955306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mou's specialty?
- Margaret Mou is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Mou located?
- Margaret Mou's practice location on file with NPPES is 4650 W Sunset Blvd, Los Angeles, CA 90027-6062.
- What is Margaret Mou's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mou is (323) 660-2450.
- Does Margaret Mou accept Medicare?
- Margaret Mou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mou's NPI active?
- Yes — Margaret Mou's NPI (1679955306) is active in the NPPES registry as of the last update on 2025-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.