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

Dr. Melissa Welch Barker, MD

Individual provider Internal Medicine Physician · NPI 1619460151

Dr. Melissa Welch Barker, MD is an Internal Medicine Physician in Oakland, California. Licensed in California. Registered with an NPI since 2018.

Licensed in
CA
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1955 San Pablo Ave
Oakland, CA 94612-1367
Phone: (510) 433-1160
Fax: (510) 452-8836
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G59797 (CA)

Record details

NPI number1619460151
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2018
Last updated in NPPESJune 11, 2019

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