NPPES file of Aug 9, 2026

Roxana Mundy, MD

Internal Medicine Physician · Napa, CA

Roxana Mundy, MD is an internal medicine physician with a practice address in Napa, California, and NPI 1487732210, issued on Nov 1, 2006. Check the license (California A90783, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487732210
Name
Roxana Mundy
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A90783 CA
Self-reported in NPPES; status is on the state search
Practice location
3285 Claremont Way, Napa, CA 94558
Phone
(707) 258-2500
Enumerated
Nov 1, 2006
Record last updated
Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A907830 CA
Medicare enrollment
Enrolled (PECOS I20051018000750); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3285 Claremont Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ernest Arras, MDInternal Medicine Physician1174601900
  2. Manuel Ballesca, MDInternal Medicine Physician1639257538
  3. Mary Ann Carol Besana, MDFamily Medicine Physician1700894540
  4. Donna Bodnar, MDObstetrics & Gynecology Physician1720166564
  5. Hilarie Chamberland, PHARM.D.Pharmacist1801940606
  6. James Cotter, MDFamily Medicine Physician1407934243

Verify Roxana Mundy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A90783
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% more Medicare Part D claims than the average internal medicine physician in 2024

4,544 Medicare Part D claims for 593 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 226 claims were for opioids.

  1. Roxana Mundy4,544
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium327 claims
  2. Levothyroxine Sodium214 claims
  3. Amlodipine Besylate202 claims
  4. Lisinopril196 claims
  5. Losartan Potassium167 claims
  6. Hydrocodone-Acetaminophen126 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

  1. Permanente Medical Group IncVallejo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Roxana Mundy among 17,696 internal medicine physician records in California

Roxana Mundy, MD 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
  • Graduated1997 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Abhijit Adhye, M.D.Napa, CA 945581992763205
  2. Scott Anderson, MDNapa, CA 945581619929494
  3. Patricia Dizmang, M.D.Napa, CA 945581194790261
  4. Beth Hartung, M.D.Napa, CA 945581275501488
  5. Ronald Julis, M.D.Napa, CA 945581053311167
  6. Paul Laband, MDNapa, CA 945581427029040
  7. Monica McKeever, MDNapa, CA 945581538135298
  8. Lane Melgarejo, MDNapa, CA 945581588657308

Common questions

What is Roxana Mundy, MD's NPI number?

Roxana Mundy, MD's National Provider Identifier (NPI) is 1487732210, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roxana Mundy, MD 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 Roxana Mundy, MD's license?

NPPES lists California license number A90783, 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 Roxana Mundy, MD prescribe under Medicare Part D?

In 2024, Roxana Mundy, MD had 4,544 Medicare Part D claims for 593 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.