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

Dr. Nicholas Steven Regennitter, MD

Individual provider Internal Medicine Physician · NPI 1013591031

Dr. Nicholas Steven Regennitter, MD is an Internal Medicine in Rohnert Park, California. Qualified in 2020, 6 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
6
Licensed in
CA
In the registry since
2021
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

6000 State Farm Dr
Rohnert Park, CA 94928-2225
Phone: (707) 585-8347
Show map & directions

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

Additional practice locations (1)

  • 3231 Fieldgate Ct, San Jose, CA 95148-3001 — (650) 898-2560

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A194756 (CA)

Record details

NPI number1013591031
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2021
Last updated in NPPESOctober 24, 2025
Certification dateOctober 24, 2025
Mailing addressPo Box 276950, Sacramento, CA 95827-6950

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Rohnert Park