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

Dr. John B Hiss, MD

Individual provider Internal Medicine Physician · NPI 1386663052

Dr. John B Hiss, MD is an Internal Medicine in Concord, California. Graduated from University of Michigan Medical School in 1991, 35 years ago. Practices with John Muir Physician Network, a 486-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
Trained at
University of Michigan Medical School
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

2700 Grant St Ste 200
Concord, CA 94520-2266
Phone: (925) 674-2609
Fax: (925) 674-2211
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 G74796 (CA)

Record details

NPI number1386663052
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESJune 21, 2012
Mailing addressDept 34929, P.O. Box 39000, San Francisco, CA 94139-0001

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1991 (35 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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