Spencer Liebman, M.D.
NPI 1548647605 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Liebman, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1548647605).
Provider details
- NPI number
- 1548647605
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A145473 (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
11 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
- 2015-04-28
- Last updated
- 2020-10-21
- Certified
- 2020-10-21
Frequently asked questions
- What is Spencer Liebman's NPI number?
- Spencer Liebman's National Provider Identifier (NPI) is 1548647605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Liebman's specialty?
- Spencer Liebman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Liebman located?
- Spencer Liebman's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Spencer Liebman's phone number?
- The practice phone number listed in the NPPES registry for Spencer Liebman is (323) 226-7556.
- Does Spencer Liebman accept Medicare?
- Spencer Liebman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Liebman's NPI active?
- Yes — Spencer Liebman's NPI (1548647605) is active in the NPPES registry as of the last update on 2020-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.