Wilfredo Alejo, M.D.
Pediatrics Physician · Diamond Bar, CA
Wilfredo Alejo, M.D. is a pediatrics physician with a practice address in Diamond Bar, California, and NPI 1114990785, issued on Feb 13, 2006. Check the license (California A52629, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wilfredo Alejo
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A52629 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1514 Valley Vista Dr, Diamond Bar, CA 91765
- Phone
- (909) 860-1144
- Enumerated
- Feb 13, 2006
- Entity
- Type 1 · individual
Also registered at 1514 Valley Vista Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Silvia Alonzo, MS, PA-CMedical Physician Assistant1942586623
- Jing Chen, M.D.Pediatrics Physician1699208942
- William FenertyFamily Medicine Physician1184625915
- Brian Koffman, MDFamily Medicine Physician1326049164
- Keli Layton-Cunnigan, PAPhysician Assistant1063613958
- Eric Lee, DOFamily Medicine Physician1801208707
Verify Wilfredo Alejo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A52629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $64.49
3 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 23,406 providers of this specialty with any payment received $1,203.67 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.
6 pediatrics physician records list a Diamond Bar practice address
They are 6 of the 598 NPPES records with a Diamond Bar practice address, and 10,094 pediatrics physician records in California.
All 6 in Diamond Bar → All 10,094 in California → Every provider in Diamond Bar →
Other pediatrics physician records in California
- Subha Aahlad, M.D.Foster City, CA1780610253
- Rebecca Aaronson, MDPanorama City, CA1487746814
- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Lauren Abbas, MDLos Angeles, CA1982163796
- Mazen Abbas, D.O., M.P.H.Madera, CA1790775278
- Attia Abbasi, M.D.Auburn, CA1922027127
- David Abbott, MDSanta Barbara, CA1144233370
- Lara Abbott, M.D.San Fernando, CA1053312868
Common questions
What is Wilfredo Alejo, M.D.'s NPI number?
Wilfredo Alejo, M.D.'s National Provider Identifier (NPI) is 1114990785, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wilfredo Alejo, M.D. located?
The NPPES record lists a practice address at 1514 Valley Vista Dr, Diamond Bar, CA, 91765. Phone: (909) 860-1144. Providers update this record themselves, so call before visiting.
How can I verify Wilfredo Alejo, M.D.'s license?
NPPES lists California license number A52629, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.