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

Dr. Grace Zapata Ang, MD

Individual provider Internal Medicine Physician · NPI 1902990245

Dr. Grace Zapata Ang, MD is an Internal Medicine in Napa, California. Qualified in 1981, 45 years ago. Practices with Department of State Hospitals, a 276-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2006
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

2100 Napa Vallejo Hwy
Napa, CA 94558-6293
Phone: (707) 253-5000
Fax: (408) 730-0548
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 A68373 (CA)

Record details

NPI number1902990245
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESApril 2, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Department Of State Hospitals — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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