Harry Marshak MD a Professional Corporation
NPI 1639489818 · Clinic/Center · Palm Desert, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Marshak MD a Professional Corporation is a Clinic/Center organization in Palm Desert, CA (NPI 1639489818).
Provider details
- NPI number
- 1639489818
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Harry Marshak, President(760) 341-2551
- License
- A70631 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-10-20
- Last updated
- 2011-02-17
Frequently asked questions
- What is Harry Marshak MD a Professional Corporation's NPI number?
- Harry Marshak MD a Professional Corporation's National Provider Identifier (NPI) is 1639489818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harry Marshak MD a Professional Corporation?
- Harry Marshak MD a Professional Corporation is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Harry Marshak MD a Professional Corporation located?
- Harry Marshak MD a Professional Corporation's practice location on file with NPPES is 74075 El Paseo Ste D2, Palm Desert, CA 92260-4118.
- What is Harry Marshak MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Harry Marshak MD a Professional Corporation is (760) 341-2551.
- Does Harry Marshak MD a Professional Corporation accept Medicare?
- Harry Marshak MD a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Harry Marshak MD a Professional Corporation?
- The authorized official listed on Harry Marshak MD a Professional Corporation's NPPES record is Harry Marshak, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harry Marshak MD a Professional Corporation's NPI active?
- Yes — Harry Marshak MD a Professional Corporation's NPI (1639489818) is active in the NPPES registry as of the last update on 2011-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.