Glenn A. Marshak, M.D. Medical Corporation
NPI 1144464140 · Internal Medicine Physician · Beverly Hills, CA
Glenn A. Marshak, M.D. Medical Corporation is a Internal Medicine Physician organization in Beverly Hills, CA (NPI 1144464140).
Provider details
- NPI number
- 1144464140
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Glenn Marshak, Ceo(310) 855-0752
- License
- G78454 (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
17 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
- 2009-04-22
- Last updated
- 2009-04-22
Frequently asked questions
- What is Glenn A. Marshak, M.D. Medical Corporation's NPI number?
- Glenn A. Marshak, M.D. Medical Corporation's National Provider Identifier (NPI) is 1144464140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Glenn A. Marshak, M.D. Medical Corporation?
- Glenn A. Marshak, M.D. Medical Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn A. Marshak, M.D. Medical Corporation located?
- Glenn A. Marshak, M.D. Medical Corporation's practice location on file with NPPES is 8670 Wilshire Blvd Ste 206, Beverly Hills, CA 90211-2930.
- What is Glenn A. Marshak, M.D. Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Glenn A. Marshak, M.D. Medical Corporation is (310) 855-0752.
- Who is the authorized official for Glenn A. Marshak, M.D. Medical Corporation?
- The authorized official listed on Glenn A. Marshak, M.D. Medical Corporation's NPPES record is Glenn Marshak, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Glenn A. Marshak, M.D. Medical Corporation's NPI active?
- Yes — Glenn A. Marshak, M.D. Medical Corporation's NPI (1144464140) is active in the NPPES registry as of the last update on 2009-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.