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Marion Leff, M.D.
NPI 1871689455 · Family Medicine Physician · Sacramento, CA
Marion Leff, M.D. is a Family Medicine Physician provider in Sacramento, CA (NPI 1871689455).
Provider details
- NPI number
- 1871689455
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G34448 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1201 Alhambra Blvd
#300
Sacramento, CA 95816
Phone: (916) 451-4400
Fax: (916) 731-7955
Street-level locationGet directions
Mailing address
10470 Old Placerville Rd
Sacramento, CA 95827-2539
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2015-07-28
Frequently asked questions
- What is Marion Leff's NPI number?
- Marion Leff's National Provider Identifier (NPI) is 1871689455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Leff's specialty?
- Marion Leff is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marion Leff located?
- Marion Leff's practice location on file with NPPES is 1201 Alhambra Blvd, Sacramento, CA 95816.
- What is Marion Leff's phone number?
- The practice phone number listed in the NPPES registry for Marion Leff is (916) 451-4400.
- Is Marion Leff's NPI active?
- Yes — Marion Leff's NPI (1871689455) is active in the NPPES registry as of the last update on 2015-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.