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

Calvin Hang, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1578940573

Calvin Hang, MD, PHD is a Cardiovascular Disease (Cardiology) in Santa Rosa, California. Graduated from University of California, San Diego School of Medicine in 2015, 11 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment.

Years since qualifying
11
Trained at
University of California, San Diego School of Medicine
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

401 Bicentennial Way Ste 190
Santa Rosa, CA 95403-2149
Phone: (707) 393-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1578940573
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedApril 29, 2015
Last updated in NPPESNovember 1, 2022
Certification dateNovember 1, 2022

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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