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

Dean John Nickles, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1255390050

Dean John Nickles, MD is an Internal Medicine in Emeryville, California. Graduated from West Virginia University School of Medicine in 1975, 51 years ago. Practices with University Healthcare Alliance, a 332-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
51
Trained at
West Virginia University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

5800 Hollis St
Emeryville, CA 94608-2016
Phone: (510) 806-2100
Fax: (510) 806-2548
Show map & directions

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

Additional practice locations (1)

  • 350 30th St, Oakland, CA 94609-3424 — (510) 465-6700

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G44039 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence G44039 (CA)

Record details

NPI number1255390050
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESApril 22, 2024
Certification dateApril 22, 2024
Mailing address5800 Hollis St, Emeryville, CA 94608-2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice University Healthcare Alliance — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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