Walter M Marcus M D Inc
NPI 1952659260 · Obstetrics & Gynecology Physician · Riverside, CA
Walter M Marcus M D Inc is a Obstetrics & Gynecology Physician organization in Riverside, CA (NPI 1952659260).
Provider details
- NPI number
- 1952659260
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Walter Marcus, Owner(951) 687-8945
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
13 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
- 2012-08-16
- Last updated
- 2012-08-16
Frequently asked questions
- What is Walter M Marcus M D Inc's NPI number?
- Walter M Marcus M D Inc's National Provider Identifier (NPI) is 1952659260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Walter M Marcus M D Inc?
- Walter M Marcus M D Inc is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Walter M Marcus M D Inc located?
- Walter M Marcus M D Inc's practice location on file with NPPES is 8945 Magnolia Ave, Riverside, CA 92503-4436.
- What is Walter M Marcus M D Inc's phone number?
- The practice phone number listed in the NPPES registry for Walter M Marcus M D Inc is (951) 687-8945.
- Who is the authorized official for Walter M Marcus M D Inc?
- The authorized official listed on Walter M Marcus M D Inc's NPPES record is Walter Marcus, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Walter M Marcus M D Inc's NPI active?
- Yes — Walter M Marcus M D Inc's NPI (1952659260) is active in the NPPES registry as of the last update on 2012-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.