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

John Z Wang MD Inc

Organization Internal Medicine Physician · NPI 1861457327

John Z Wang MD Inc is an Internal Medicine Physician in West Covina, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1535 W Merced Ave Ste 206
West Covina, CA 91790-3404
Phone: (626) 338-0811
Fax: (626) 338-0922
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 A67229 (CA)

Record details

NPI number1861457327
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Wang — President · (626) 338-0811
NPI enumeratedApril 19, 2006
Last updated in NPPESAugust 22, 2020
Mailing address1535 W Merced Ave, Ste 206, West Covina, CA 91790-3404

Other providers in West Covina