Robert Nisenbaum, M.D.
NPI 1295732154 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Nisenbaum, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1295732154).
Provider details
- NPI number
- 1295732154
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- A65903 (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
20 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
- 2005-07-06
- Last updated
- 2016-04-21
Frequently asked questions
- What is Robert Nisenbaum's NPI number?
- Robert Nisenbaum's National Provider Identifier (NPI) is 1295732154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Nisenbaum's specialty?
- Robert Nisenbaum is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Nisenbaum located?
- Robert Nisenbaum's practice location on file with NPPES is 2080 Century Park E, Los Angeles, CA 90067-2001.
- What is Robert Nisenbaum's phone number?
- The practice phone number listed in the NPPES registry for Robert Nisenbaum is (310) 553-7151.
- Does Robert Nisenbaum accept Medicare?
- Robert Nisenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Nisenbaum's NPI active?
- Yes — Robert Nisenbaum's NPI (1295732154) is active in the NPPES registry as of the last update on 2016-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.