William Abdiel Perez Morales, MD
Internal Medicine Physician · Moreno Valley, CA
William Abdiel Perez Morales, MD is an internal medicine physician with a practice address in Moreno Valley, California, and NPI 1649851320, issued on Apr 15, 2021. Check the license (California A203141, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Abdiel Perez Morales
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A203141 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Phone
- (951) 486-4000
- Enumerated
- Apr 15, 2021
- Record last updated
- Oct 16, 2025
- Fax
- (951) 486-4035
- Medicare enrollment
- Enrolled (PECOS I20250804003596); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 26520 Cactus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Abdiel Perez Morales in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
32 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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 2 group practices
- Florida Hospital Medicine Services, LLCDelray Beach, FL
- Riverside Faculty Medical Group IncMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Abdiel Perez Morales among 17,696 internal medicine physician records in California
William Abdiel Perez Morales, 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
67 internal medicine physician records list a practice address in Moreno Valley
They are 67 of the 2,698 NPPES records with a practice address in Moreno Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Moreno Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Abu-Qaoud, M.D.Moreno Valley, CA 925551366635534
- Scott Allen, M.D.Moreno Valley, CA 925551184681710
- Roger Garrison, DOMoreno Valley, CA 925551013941475
- Douglas Hegstad, M.D.Moreno Valley, CA 925551649204009
- Jeffrey Katz, MDMoreno Valley, CA 925551316971476
- Daniel Kim, M.D.Moreno Valley, CA 925551295769651
- Lawrence Loo, MDMoreno Valley, CA 925551750311718
- William Ochoa, MDMoreno Valley, CA 925551558574954
Common questions
What is William Abdiel Perez Morales, MD's NPI number?
William Abdiel Perez Morales, MD's National Provider Identifier (NPI) is 1649851320, issued on Apr 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Abdiel Perez Morales, MD located?
The NPPES record lists a practice address at 26520 Cactus Ave, Moreno Valley, CA, 92555. Phone: (951) 486-4000. Providers update this record themselves, so call before visiting.
How can I verify William Abdiel Perez Morales, MD's license?
NPPES lists California license number A203141, 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 William Abdiel Perez Morales, MD prescribe under Medicare Part D?
In 2024, William Abdiel Perez Morales, MD had 32 Medicare Part D claims for 14 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.