Mary Marcinko, MD
NPI 1548318363 · Family Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Marcinko, MD is a Family Medicine Physician provider in Riverside, CA (NPI 1548318363).
Provider details
- NPI number
- 1548318363
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A62068 (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
19 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
- 2007-01-08
- Last updated
- 2021-12-01
Frequently asked questions
- What is Mary Marcinko's NPI number?
- Mary Marcinko's National Provider Identifier (NPI) is 1548318363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Marcinko's specialty?
- Mary Marcinko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Marcinko located?
- Mary Marcinko's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Mary Marcinko's phone number?
- The practice phone number listed in the NPPES registry for Mary Marcinko is (909) 353-2000.
- Does Mary Marcinko accept Medicare?
- Mary Marcinko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Marcinko's NPI active?
- Yes — Mary Marcinko's NPI (1548318363) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.