Humberto Guadalupe Villarreal, M.D.
Urology Physician · Glendora, CA
Humberto Guadalupe Villarreal, M.D. is a urology physician with a practice address in Glendora, California, and NPI 1801023072, issued on Jun 16, 2009. Check the license (California C161226, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Humberto Guadalupe Villarreal
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- C161226 CA
DR.0060186 CO
MD-42204 IA
26150 NE
Self-reported in NPPES; status is on the state search - Practice location
- 412 W Carroll Ave Ste 200, Glendora, CA 91741
- Phone
- (626) 914-3921
- Enumerated
- Jun 16, 2009
- Record last updated
- Mar 14, 2022
- Fax
- (626) 914-9611
- Medicare enrollment
- Enrolled (PECOS I20190627001590); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 412 W Carroll Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claire Burton, MDUrology Physician1841685401
- Diana Londono, MDUrology Physician1144521329
- Kurt Melstrom, MDColon & Rectal Surgery Physician1508026832
- Jeremy Montez, M.D.Urology Physician1477607091
Verify Humberto Guadalupe Villarreal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C161226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average urology physician in 2024
521 Medicare Part D claims for 152 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Gemtesa115 claims
- Tamsulosin Hcl86 claims
- Alfuzosin Hcl Er33 claims
- Finasteride30 claims
- Clobetasol Propionate24 claims
- Myrbetriq22 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.
Industry payments in 2024: $4,152.90
42 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- City OF Hope Medical FoundationGlendora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Humberto Guadalupe Villarreal among 1,524 urology physician records in California
Humberto Guadalupe Villarreal, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2009 · median 2003 among the 1,049 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Glendora → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Claire Burton, MDGlendora, CA 917411841685401
- Diana Londono, MDGlendora, CA 917411144521329
- Charles Metzger, MD MBAGlendora, CA 917411992796411
- Jeremy Montez, M.D.Glendora, CA 917411477607091
- Edward Davis, MDGlendora, CA 917401386635803
- Laura Crocitto, MDLa Verne, CA 917501053406819
- Mrinal Dhar, MDEastvale, CA 917521417275256
- Dominic Chu, MDMonterey Park, CA 917541811059371
Common questions
What is Humberto Guadalupe Villarreal, M.D.'s NPI number?
Humberto Guadalupe Villarreal, M.D.'s National Provider Identifier (NPI) is 1801023072, issued on Jun 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Humberto Guadalupe Villarreal, M.D. located?
The NPPES record lists a practice address at 412 W Carroll Ave Ste 200, Glendora, CA, 91741. Phone: (626) 914-3921. Providers update this record themselves, so call before visiting.
How can I verify Humberto Guadalupe Villarreal, M.D.'s license?
NPPES lists California license number C161226, 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 Humberto Guadalupe Villarreal, M.D. prescribe under Medicare Part D?
In 2024, Humberto Guadalupe Villarreal, M.D. had 521 Medicare Part D claims for 152 beneficiaries; the average among urology physician prescribers was 1,340. 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.