NPPES file of Aug 9, 2026

Ousama Ismael, MD

Internal Medicine Physician · San Bernardino, CA

Ousama Ismael, MD is an internal medicine physician with a practice address in San Bernardino, California, and NPI 1740451079, issued on Mar 14, 2008. Check the license (California A100770, 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
1740451079
Name
Ousama Ismael
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A100770 CA
Self-reported in NPPES; status is on the state search
Practice location
1869 N Waterman Ave Ste 200, San Bernardino, CA 92404
Phone
(909) 881-0030
Enumerated
Mar 14, 2008
Record last updated
Jun 27, 2022
Fax
(909) 881-0040
Medicare enrollment
Enrolled (PECOS I20110201000184); 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.
Download card Updates feed

Verify Ousama Ismael in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A100770
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

96% more Medicare Part D claims than the average internal medicine physician in 2024

6,227 Medicare Part D claims for 356 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 573 claims were for opioids.

  1. Ousama Ismael6,227
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen312 claims
  2. Atorvastatin Calcium267 claims
  3. Eliquis201 claims
  4. Gabapentin187 claims
  5. Levothyroxine Sodium187 claims
  6. Furosemide158 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: $330.87

12 payments; by number, the most common kind was food and beverage; the largest payer was Melinta Therapeutics, 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. Ousama Ismael$330.87
  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.

Bills Medicare through one group practice

  1. Galen Inpatient Physicians PCVictorville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ousama Ismael among 17,696 internal medicine physician records in California

Ousama Ismael, 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 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).

58 internal medicine physician records list a practice address in San Bernardino

They are 58 of the 5,645 NPPES records with a practice address in San Bernardino, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Shuang Bai, M.D.San Bernardino, CA 924041154346799
  2. Carina Buhay, MDSan Bernardino, CA 924041639143530
  3. Ronald Burton, MDSan Bernardino, CA 924041225008006
  4. Peter Csapoczi, MDSan Bernardino, CA 924041841357118
  5. Magdi Elsaadi, MDSan Bernardino, CA 924041902876683
  6. Ahamed Jiffry, MDSan Bernardino, CA 924041295848679
  7. Tony Kastoon, M.D.San Bernardino, CA 924041184636235
  8. Ernest Levister, MDSan Bernardino, CA 924041962577080

Common questions

What is Ousama Ismael, MD's NPI number?

Ousama Ismael, MD's National Provider Identifier (NPI) is 1740451079, issued on Mar 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ousama Ismael, MD located?

The NPPES record lists a practice address at 1869 N Waterman Ave Ste 200, San Bernardino, CA, 92404. Phone: (909) 881-0030. Providers update this record themselves, so call before visiting.

How can I verify Ousama Ismael, MD's license?

NPPES lists California license number A100770, 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 Ousama Ismael, MD prescribe under Medicare Part D?

In 2024, Ousama Ismael, MD had 6,227 Medicare Part D claims for 356 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.