NPPES file of Aug 9, 2026

Mohamed S. Ali, M.D.

Internal Medicine Physician · Rancho Cucamonga, CA

Mohamed S. Ali, M.D. is an internal medicine physician with a practice address in Rancho Cucamonga, California, and NPI 1548395239, issued on Feb 22, 2007. Check the license (California A67534, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548395239
Name
Mohamed S. Ali
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A67534 CA
Self-reported in NPPES; status is on the state search
Practice location
10165 Foothill Blvd, Rancho Cucamonga, CA 91730
Phone
(909) 481-0800
Enumerated
Feb 22, 2007
Record last updated
Mar 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20071211000473); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 10165 Foothill Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maher Azzawi, DDSDentist1679964159
  2. Thai Lam, DDSPediatric Dentistry1760694871
  3. Jimmy Sayegh, D.C.Chiropractor1083954374

Verify Mohamed S. Ali in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67534    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,000 Medicare Part D claims for 403 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 13 claims were for opioids.

  1. Mohamed Ali7,000
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium511 claims
  2. Metformin Hcl366 claims
  3. Levothyroxine Sodium315 claims
  4. Rosuvastatin Calcium279 claims
  5. Losartan Potassium217 claims
  6. Amlodipine Besylate201 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: $15.72

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.

  1. Mohamed Ali$15.72
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mohamed S. Ali among 17,696 internal medicine physician records in California

Mohamed S. Ali, M.D. 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1986 · median 2004 among the 11,065 with a school on file
  • Record last updated2015 · 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).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Rancho Cucamonga → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nena ArciagaRancho Cucamonga, CA 917301497594097
  2. Catherine Joy CabugaoRancho Cucamonga, CA 917301063091098
  3. Tarek Ezzeddine, MDRancho Cucamonga, CA 917301740471879
  4. Hetalben Makwana, MDRancho Cucamonga, CA 917301093028078
  5. Ythanh Nguyen, MDRancho Cucamonga, CA 917301255391181
  6. Cong Phan, M.D.Rancho Cucamonga, CA 917301386778033
  7. Teri Rhetta, M.D.Rancho Cucamonga, CA 917301669685293
  8. Rishi Talwar, MDRancho Cucamonga, CA 917301699184184

Common questions

What is Mohamed S. Ali, M.D.'s NPI number?

Mohamed S. Ali, M.D.'s National Provider Identifier (NPI) is 1548395239, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mohamed S. Ali, M.D. located?

The NPPES record lists a practice address at 10165 Foothill Blvd, Rancho Cucamonga, CA, 91730. Phone: (909) 481-0800. Providers update this record themselves, so call before visiting.

How can I verify Mohamed S. Ali, M.D.'s license?

NPPES lists California license number A67534, 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 Mohamed S. Ali, M.D. prescribe under Medicare Part D?

In 2024, Mohamed S. Ali, M.D. had 7,000 Medicare Part D claims for 403 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.