Ismail Kasimoglu, MD, PHD, MBA
Endocrinology, Diabetes & Metabolism Physician · Orange, CA
Ismail Kasimoglu, MD, PHD, MBA is an endocrinology, diabetes & metabolism physician with a practice address in Orange, California, and NPI 1578095774, issued on Mar 28, 2017. Check the license (California A158416, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ismail Kasimoglu
- Credential
- MD, PHD, MBA
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A158416 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S Bldg 30, Orange, CA 92868
- Phone
- (714) 456-7720
- Enumerated
- Mar 28, 2017
- Record last updated
- Mar 26, 2025
- Fax
- (855) 209-8413
- Medicare enrollment
- Enrolled (PECOS I20200811002870); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 101 The City Dr S Bldg 30
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ismail Kasimoglu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,019 Medicare Part D claims for 181 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Ozempic99 claims
- Levothyroxine Sodium93 claims
- Nano 2nd Gen Pen Needle90 claims
- Trulicity57 claims
- Metformin Hcl Er47 claims
- Jardiance45 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $275.98
5 payments; by number, the most common kind was food and beverage; the largest payer was Corcept Therapeutics. The 5,661 providers of this specialty with any payment received $5,742.15 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
- UC RegentsOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
Other endocrinology, diabetes & metabolism physician records in California
- Evan Abel, MDSanta Monica, CA1619067238
- Anita Abraham, M.D.Stockton, CA1558380337
- Sallie Adams, M.D.Roseville, CA1255342085
- Helen Adelberg, M.D.Encino, CA1093935447
- Yewande Adepoju, DOOroville, CA1467892984
- David Aftergood, MDBeverly Hills, CA1639259328
- Nidhi Agarwal, MDTorrance, CA1518387125
- Bahar Aghighi, MDSanta Cruz, CA1770562134
- Tyler Aguinaldo, MDBurlingame, CA1306811906
- Susan Ahern, D.O.Ventura, CA1508156597
Common questions
What is Ismail Kasimoglu, MD, PHD, MBA's NPI number?
Ismail Kasimoglu, MD, PHD, MBA's National Provider Identifier (NPI) is 1578095774, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ismail Kasimoglu, MD, PHD, MBA located?
The NPPES record lists a practice address at 101 The City Dr S Bldg 30, Orange, CA, 92868. Phone: (714) 456-7720. Providers update this record themselves, so call before visiting.
How can I verify Ismail Kasimoglu, MD, PHD, MBA's license?
NPPES lists California license number A158416, 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 Ismail Kasimoglu, MD, PHD, MBA prescribe under Medicare Part D?
In 2024, Ismail Kasimoglu, MD, PHD, MBA had 1,019 Medicare Part D claims for 181 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Ismail Kasimoglu, MD, PHD, MBA's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.