Justin Alexander Pegueros, MD
Family Medicine Physician · La Verne, CA
Justin Alexander Pegueros, MD is a family medicine physician with a practice address in La Verne, California, and NPI 1427546738, issued on Apr 23, 2018. Check the license (California A165167, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Alexander Pegueros
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A165167 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2333 Foothill Blvd Ste B, La Verne, CA 91750
- Phone
- (909) 392-6501
- Enumerated
- Apr 23, 2018
- Record last updated
- Feb 25, 2026
- Fax
- (909) 469-2136
- Medicaid ID
- 1427546738 CA
- Medicare enrollment
- Enrolled (PECOS I20210819003600); may accept Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2333 Foothill Blvd Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William CasasFamily Medicine Physician1477998615
- Cecilia Cusimano Murillo, MDFamily Medicine Physician1427748326
- Michael Deanda, MDFamily Medicine Physician1750381711
- Kim Dinh, PA-CMedical Physician Assistant1871060046
- Craig Endo, M.D.Family Medicine Physician1265411730
- Tiffany Endo, D.O.Family Medicine Physician1457384257
Verify Justin Alexander Pegueros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family medicine physician in 2024
1,924 Medicare Part D claims for 278 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium125 claims
- Amlodipine Besylate96 claims
- Levothyroxine Sodium81 claims
- Gabapentin73 claims
- Omeprazole55 claims
- Jardiance52 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
- Premier Family Medicine Associates, IncClaremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Alexander Pegueros among 17,133 family medicine physician records in California
Justin Alexander Pegueros, MD 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% 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 updated2026 · 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).
14 family medicine physician records list a practice address in La Verne
They are 14 of the 515 NPPES records with a practice address in La Verne, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in La Verne → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Habib Bashoura, MDLa Verne, CA 917501730170887
- Marcelo Burciaga, D.O.La Verne, CA 917501255528576
- William CasasLa Verne, CA 917501477998615
- Cecilia Cusimano Murillo, MDLa Verne, CA 917501427748326
- Michael Deanda, MDLa Verne, CA 917501750381711
- Craig Endo, M.D.La Verne, CA 917501265411730
- Tiffany Endo, D.O.La Verne, CA 917501457384257
- Alan FloresLa Verne, CA 917501124087671
Common questions
What is Justin Alexander Pegueros, MD's NPI number?
Justin Alexander Pegueros, MD's National Provider Identifier (NPI) is 1427546738, issued on Apr 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Justin Alexander Pegueros, MD located?
The NPPES record lists a practice address at 2333 Foothill Blvd Ste B, La Verne, CA, 91750. Phone: (909) 392-6501. Providers update this record themselves, so call before visiting.
How can I verify Justin Alexander Pegueros, MD's license?
NPPES lists California license number A165167, 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 Justin Alexander Pegueros, MD prescribe under Medicare Part D?
In 2024, Justin Alexander Pegueros, MD had 1,924 Medicare Part D claims for 278 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.