Marc Heiser, M.D., PH.D
NPI 1790002509 · Psychiatry Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Heiser, M.D., PH.D is a Psychiatry Physician provider in Los Angeles, CA (NPI 1790002509).
Provider details
- NPI number
- 1790002509
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- A120147 (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
16 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
- 2010-05-03
- Last updated
- 2016-06-29
Frequently asked questions
- What is Marc Heiser's NPI number?
- Marc Heiser's National Provider Identifier (NPI) is 1790002509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Heiser's specialty?
- Marc Heiser is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Heiser located?
- Marc Heiser's practice location on file with NPPES is 760 Westwood Plz, Los Angeles, CA 90024-5055.
- What is Marc Heiser's phone number?
- The practice phone number listed in the NPPES registry for Marc Heiser is (310) 825-0018.
- Does Marc Heiser accept Medicare?
- Marc Heiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Heiser's NPI active?
- Yes — Marc Heiser's NPI (1790002509) is active in the NPPES registry as of the last update on 2016-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.