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

Christopher Adam Walker, MD

Individual provider Emergency Medicine Physician · NPI 1649469701

Christopher Adam Walker, MD is a Critical Care (Intensivists) in Oakland, California. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2007, 19 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
CA
In the registry since
2007
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

3625 Brunell Dr
Oakland, CA 94602-4108
Phone: (216) 513-5788
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A106362 (CA)

Record details

NPI number1649469701
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 15, 2007
Last updated in NPPESJune 23, 2022
Certification dateJune 23, 2022
Mailing address3625 Brunell Dr, Oakland, CA 94602-4108

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesEMERGENCY MEDICINE
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 2007 (19 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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