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

Dr. Charles Allison, MD

Individual provider Internal Medicine Physician · NPI 1376541060

Dr. Charles Allison, MD is an Internal Medicine in San Francisco, California. Graduated from University of Minnesota Medical School in 1967, 59 years ago. Practices with Mercy Doctors Medical Group, Inc, a 9-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
59
Trained at
University of Minnesota Medical School
Licensed in
CA
In the registry since
2005
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

1 Shrader St Ste 640
San Francisco, CA 94117-1016
Phone: (415) 752-0100
Fax: (415) 752-7103
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C33715 (CA)

Record details

NPI number1376541060
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESSeptember 10, 2019
Mailing address1 Shrader St, Suite 640, San Francisco, CA 94117-1016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1967 (59 years in practice)
Group practice Mercy Doctors Medical Group, Inc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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