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

Dr. Zainab D Mezban, MD

Individual provider Internal Medicine Physician · NPI 1275621872

Dr. Zainab D Mezban, MD is an Internal Medicine in Walnut Creek, California. Qualified in 1998, 28 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
28
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

1220 Rossmoor Pkwy
Walnut Creek, CA 94595-2501
Phone: (925) 947-3312
Fax: (925) 947-3396
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 A94338 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A94338 (CA)

Record details

NPI number1275621872
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2006
Last updated in NPPESJuly 22, 2024
Certification dateJuly 22, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPICE/PALLIATIVE CARE
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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