Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ronald Richard Matuszak III, MD

Individual provider Hospitalist Physician · NPI 1932496791

Dr. Ronald Richard Matuszak III, MD is a Hospitalist in Dublin, California. Qualified in 2011, 15 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
15
Licensed in
CA, NY
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4050 Dublin Blvd
Dublin, CA 94568-3112
Phone: (925) 875-6100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2000 Mowry Ave, Fremont, CA 94538-1746 — (510) 797-1111

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A147969 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 275622-1 (NY)

Record details

NPI number1932496791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2011
Last updated in NPPESOctober 13, 2022
Certification dateOctober 13, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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