Mohammad Khaled Shahin, MD
Internal Medicine Physician · Corona, CA
Mohammad Khaled Shahin, MD is an internal medicine physician with a practice address in Corona, California, and NPI 1053393959, issued on Nov 16, 2005. Check the license (California A49199, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mohammad Khaled Shahin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A49199 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21634 Retreat Pkwy, Corona, CA 92883
- Phone
- (951) 493-6805
- Enumerated
- Nov 16, 2005
- Record last updated
- Jul 30, 2025
- Fax
- (951) 826-8157
- Medicare enrollment
- Enrolled (PECOS I20050315001094); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 21634 Retreat Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mohammad Khaled Shahin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,976 Medicare Part D claims for 657 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 186 claims were for opioids.
Most prescribed
- Atorvastatin Calcium590 claims
- Amlodipine Besylate391 claims
- Losartan Potassium360 claims
- Rosuvastatin Calcium301 claims
- Levothyroxine Sodium287 claims
- Lisinopril269 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: $308.83
14 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mohammad Khaled Shahin among 17,696 internal medicine physician records in California
Mohammad Khaled Shahin, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1979 · 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).
52 internal medicine physician records list a practice address in Corona
They are 52 of the 3,731 NPPES records with a practice address in Corona, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Corona → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Corcoran, M.D.Corona, CA 928831134376627
- Mario Ficarola, M.D.Corona, CA 928831104939529
- Fatima Gauhar, MDCorona, CA 928831619959517
- Sophia Ho, DOCorona, CA 928831790245256
- Ennis Zaitoon, M.D.Corona, CA 928831235307141
- Michelle Zaki, D.O.Corona, CA 928831992237325
- Thomas Assali, DOCorona, CA 928821598225062
- Patrick Bonaparte, M.D.Corona, CA 928821508260340
Common questions
What is Mohammad Khaled Shahin, MD's NPI number?
Mohammad Khaled Shahin, MD's National Provider Identifier (NPI) is 1053393959, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mohammad Khaled Shahin, MD located?
The NPPES record lists a practice address at 21634 Retreat Pkwy, Corona, CA, 92883. Phone: (951) 493-6805. Providers update this record themselves, so call before visiting.
How can I verify Mohammad Khaled Shahin, MD's license?
NPPES lists California license number A49199, 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 Mohammad Khaled Shahin, MD prescribe under Medicare Part D?
In 2024, Mohammad Khaled Shahin, MD had 9,976 Medicare Part D claims for 657 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.