Margaret Leung, M.D.
NPI 1215124938 · Internal Medicine Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Leung, M.D. is a Internal Medicine Physician provider in Roseville, CA (NPI 1215124938).
Provider details
- NPI number
- 1215124938
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A105248 (CA)
Specialties & taxonomies
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
18 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
- 2007-09-26
- Last updated
- 2021-12-15
Frequently asked questions
- What is Margaret Leung's NPI number?
- Margaret Leung's National Provider Identifier (NPI) is 1215124938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Leung's specialty?
- Margaret Leung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Leung located?
- Margaret Leung's practice location on file with NPPES is 1600 Eureka Rd, Roseville, CA 95661-3027.
- What is Margaret Leung's phone number?
- The practice phone number listed in the NPPES registry for Margaret Leung is (916) 474-6590.
- Does Margaret Leung accept Medicare?
- Margaret Leung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Leung's NPI active?
- Yes — Margaret Leung's NPI (1215124938) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.