Peter Marx, MD
NPI 1194994632 · Cardiovascular Disease Physician · Los Angeles, CA
Peter Marx, MD is a Cardiovascular Disease Physician provider in Los Angeles, CA (NPI 1194994632).
Provider details
- NPI number
- 1194994632
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A42551 (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
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
- 2008-02-28
- Last updated
- 2008-02-28
Frequently asked questions
- What is Peter Marx's NPI number?
- Peter Marx's National Provider Identifier (NPI) is 1194994632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Marx's specialty?
- Peter Marx is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Marx located?
- Peter Marx's practice location on file with NPPES is 4618 Fountain Ave, Los Angeles, CA 90029-1977.
- What is Peter Marx's phone number?
- The practice phone number listed in the NPPES registry for Peter Marx is (323) 953-7171.
- Is Peter Marx's NPI active?
- Yes — Peter Marx's NPI (1194994632) is active in the NPPES registry as of the last update on 2008-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.