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

Dr. John Karl Konstantin, MD, MPH

Individual provider General Practice Physician · NPI 1548415979

Dr. John Karl Konstantin, MD, MPH is a General Practice in Oakland, California. Graduated from Drexel University College of Medicine in 2006, 20 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
Drexel University College of Medicine
Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

2584 Macarthur Blvd
Oakland, CA 94602-2928
Phone: (510) 530-5400
Fax: (510) 530-2921
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence A102896 (CA)

Record details

NPI number1548415979
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedNovember 26, 2008
Last updated in NPPESNovember 26, 2008

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Medical schoolDREXEL UNIVERSITY COLLEGE OF MEDICINE
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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