Mark Medders
NPI 1952713711 · Medical Physician Assistant · Hayward, CA
Mark Medders is a Medical Physician Assistant provider in Hayward, CA (NPI 1952713711).
Provider details
- NPI number
- 1952713711
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 11775 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-05-28
- Last updated
- 2014-05-28
Frequently asked questions
- What is Mark Medders's NPI number?
- Mark Medders's National Provider Identifier (NPI) is 1952713711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Medders's specialty?
- Mark Medders is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Medders located?
- Mark Medders's practice location on file with NPPES is 27200 Calaroga Ave, Hayward, CA 94545-4339.
- What is Mark Medders's phone number?
- The practice phone number listed in the NPPES registry for Mark Medders is (510) 264-4046.
- Is Mark Medders's NPI active?
- Yes — Mark Medders's NPI (1952713711) is active in the NPPES registry as of the last update on 2014-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.