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

Dr. Mark S Reginato, MD

Individual provider Internal Medicine Physician · NPI 1194884502

Dr. Mark S Reginato, MD is an Internal Medicine in Danville, California. Graduated from Georgetown University School of Medicine in 1999, 27 years ago. Practices with Bass Medical Group, a 292-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
27
Trained at
Georgetown University School of Medicine
Licensed in
CA
In the registry since
2006
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

4165 Blackhawk Plaza Cir Ste 100
Danville, CA 94506-2308
Phone: (925) 736-7070
Fax: (925) 736-7075
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A78956 (CA)

Record details

NPI number1194884502
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESFebruary 27, 2025
Certification dateFebruary 27, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Bass Medical Group — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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