Grace Ang, M.D.
Internal Medicine Physician · Napa, CA
Grace Ang, M.D. is an internal medicine physician with a practice address in Napa, California, and NPI 1902990245, issued on Oct 3, 2006. Check the license (California A68373, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Ang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A68373 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Napa Vallejo Hwy., Napa, CA 94558
- Phone
- (707) 253-5000
- Enumerated
- Oct 3, 2006
- Entity
- Type 1 · individual
Also registered at 2100 Napa Vallejo Hwy.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Ang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Department OF State HospitalsNapa, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
60 internal medicine physician records list a Napa practice address
They are 60 of the 3,583 NPPES records with a Napa practice address, and 20,403 internal medicine physician records in California.
All 60 in Napa → All 20,403 in California → Every provider in Napa →
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Common questions
What is Grace Ang, M.D.'s NPI number?
Grace Ang, M.D.'s National Provider Identifier (NPI) is 1902990245, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace Ang, M.D. located?
The NPPES record lists a practice address at 2100 Napa Vallejo Hwy., Napa, CA, 94558. Phone: (707) 253-5000. Providers update this record themselves, so call before visiting.
How can I verify Grace Ang, M.D.'s license?
NPPES lists California license number A68373, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.