Andrea Wong, M.D.
Internal Medicine Physician · Napa, CA
Andrea Wong, M.D. is an internal medicine physician with a practice address in Napa, California, and NPI 1841229317, issued on Jun 30, 2006. Check the license (California A95605, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrea Wong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A95605 CA
M0976 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3285 Claremont Way, Napa, CA 94558
- Phone
- (707) 258-2500
- Enumerated
- Jun 30, 2006
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060920000492); accepts Medicare assignment
- Medical or professional school
- Rutgers School Of Dental Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3285 Claremont Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrea Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A95605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,027 Medicare Part D claims for 448 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 146 claims were for opioids.
Most prescribed
- Atorvastatin Calcium252 claims
- Levothyroxine Sodium148 claims
- Amlodipine Besylate124 claims
- Lisinopril113 claims
- Alendronate Sodium100 claims
- Hydrochlorothiazide96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Wong among 17,696 internal medicine physician records in California
Andrea Wong, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 internal medicine physician records list a practice address in Napa
They are 61 of the 3,583 NPPES records with a practice address in Napa, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Napa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abhijit Adhye, M.D.Napa, CA 945581992763205
- Scott Anderson, MDNapa, CA 945581619929494
- Patricia Dizmang, M.D.Napa, CA 945581194790261
- Beth Hartung, M.D.Napa, CA 945581275501488
- Ronald Julis, M.D.Napa, CA 945581053311167
- Paul Laband, MDNapa, CA 945581427029040
- Monica McKeever, MDNapa, CA 945581538135298
- Lane Melgarejo, MDNapa, CA 945581588657308
Common questions
What is Andrea Wong, M.D.'s NPI number?
Andrea Wong, M.D.'s National Provider Identifier (NPI) is 1841229317, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Wong, M.D. located?
The NPPES record lists a practice address at 3285 Claremont Way, Napa, CA, 94558. Phone: (707) 258-2500. Providers update this record themselves, so call before visiting.
How can I verify Andrea Wong, M.D.'s license?
NPPES lists California license number A95605, 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.
How much does Andrea Wong, M.D. prescribe under Medicare Part D?
In 2024, Andrea Wong, M.D. had 3,027 Medicare Part D claims for 448 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.