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Edit this profileAt a glance
- 275 W Macarthur Blvd, Oakland, CA 94611
About Dr. Sumner
Karen J. Sumner, MD practices obstetrics & gynecology in Oakland, CA. Karen is a 1995 graduate of Rutgers New Jersey Medical School. The provider's National Provider Identifier (NPI) is 1740360205.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (510) 752-1000
- Email not available
Practice Locations
275 W MACARTHUR BLVD
Oakland, CA 94611
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other OB-GYNs at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other OB-GYNs in Oakland 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Rutgers New Jersey Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Sumner specialize in?
Dr. Sumner is an OB-GYN in Oakland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where is Dr. Sumner located?
Dr. Sumner is listed at 275 W Macarthur Blvd, Oakland, CA 94611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sumner's phone number?
The number on file is (510) 752-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Sumner?
Dr. Sumner's National Provider Identifier is 1740360205. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Sumner go to medical school?
Dr. Sumner attended Rutgers New Jersey Medical School, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sumner have?
Dr. Sumner has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Sumner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sumner. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.