NPPES file of Aug 9, 2026

Regina Wang, M.D.

Family Medicine Physician · Rancho Cucamonga, CA

Regina Wang, M.D. is a family medicine physician with a practice address in Rancho Cucamonga, California, and NPI 1093246472, issued on Mar 27, 2017. Check the license (California A158104, 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
1093246472
Name
Regina Wang
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A158104 CA
Self-reported in NPPES; status is on the state search
Practice location
10850 Arrow Rte, Rancho Cucamonga, CA 91730
Phone
(847) 736-1008
Enumerated
Mar 27, 2017
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190826003901); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2017
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 10850 Arrow Rte

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

  1. Richmond Custodio, RPHPharmacist1275368672
  2. James Hammond, O.D.Optometrist1629182845
  3. Tuan HuynhPharmacist1952842809
  4. An LePharmacist1538040993
  5. Helen Nguyen, M.D.Family Medicine Physician1386762508
  6. Michelle Phan, O.D.Optometrist1639324619

Verify Regina Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A158104
    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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45% more Medicare Part D claims than the average family medicine physician in 2024

5,133 Medicare Part D claims for 1,241 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 144 claims were for opioids.

  1. Regina Wang5,133
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium401 claims
  2. Levothyroxine Sodium219 claims
  3. Amlodipine Besylate210 claims
  4. Losartan Potassium194 claims
  5. Lisinopril193 claims
  6. Rosuvastatin Calcium170 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. Southern California Permanente Medical GroupRancho Cucamonga, CA

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

Regina Wang among 17,133 family medicine physician records in California

Regina Wang, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2017 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

62 family medicine physician records list a practice address in Rancho Cucamonga

They are 62 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Marc Avent, DORancho Cucamonga, CA 917301437104783
  2. Eldine Banquerigo, M.D.Rancho Cucamonga, CA 917301851367528
  3. Steven Barag, D.O.Rancho Cucamonga, CA 917301366444838
  4. James Brown, M.D.Rancho Cucamonga, CA 917301073597738
  5. Juan Cortes, DORancho Cucamonga, CA 917301760432181
  6. Rommie Fakhoury, MDRancho Cucamonga, CA 917301528000643
  7. Sandra Force-Obrowski, M.D.Rancho Cucamonga, CA 917301023034873
  8. Patricia Guevara-Channell, MDRancho Cucomonga, CA 917301841266392

Common questions

What is Regina Wang, M.D.'s NPI number?

Regina Wang, M.D.'s National Provider Identifier (NPI) is 1093246472, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Regina Wang, M.D. located?

The NPPES record lists a practice address at 10850 Arrow Rte, Rancho Cucamonga, CA, 91730. Phone: (847) 736-1008. Providers update this record themselves, so call before visiting.

How can I verify Regina Wang, M.D.'s license?

NPPES lists California license number A158104, 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 Regina Wang, M.D. prescribe under Medicare Part D?

In 2024, Regina Wang, M.D. had 5,133 Medicare Part D claims for 1,241 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.