NPPES file of Aug 9, 2026

Tahir Haytoglu, MD

Endocrinology, Diabetes & Metabolism Physician · Corona, CA

Tahir Haytoglu, MD is an endocrinology, diabetes & metabolism physician with a practice address in Corona, California, and NPI 1932609054, issued on Feb 15, 2018. Check the license (California A72482, 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
1932609054
Name
Tahir Haytoglu
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
A72482 CA
291773 NY
Self-reported in NPPES; status is on the state search
Practice location
802 Magnolia Ave Ste 200, Corona, CA 92879
Phone
(951) 444-7006
Enumerated
Feb 15, 2018
Record last updated
Apr 1, 2025
Fax
(909) 247-3340
Medicaid IDs
05228184 NY
103544920 PA
Medicare enrollment
Enrolled (PECOS I20210719001769); accepts Medicare assignment
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 Tahir Haytoglu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A72482
    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.

2.5 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024

6,511 Medicare Part D claims for 828 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Tahir Haytoglu6,511
  2. Specialty average2,630

Most prescribed

  1. Ozempic1,050 claims
  2. Metformin Hcl548 claims
  3. Jardiance505 claims
  4. Levothyroxine Sodium501 claims
  5. Atorvastatin Calcium376 claims
  6. Lantus Solostar268 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: $3,195.24

180 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. 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.

  1. Tahir Haytoglu$3,195.24
  2. Specialty average$5,742.15

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

Bills Medicare through 2 group practices

  1. Almoutaz Bellah Shakally MD, IncCorona, CA
  2. Bashar G Saad MD IncUpland, CA

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

Tahir Haytoglu among 1,131 endocrinology, diabetes & metabolism physician records in California

Tahir Haytoglu, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 92% of them.

  • NPI issued2018 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1996 · median 2003 among the 779 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Manita Choudhary, MDEastvale, CA 928801730543752
  2. Tarcisio Diaz, MDCorona, CA 928821346379583
  3. Simran Brar, DOCorona, CA 928831164783908
  4. Hoda Mojazi Amiri, MDYorba Linda, CA 928861750780367
  5. Joseph Hsiao, MDOrange, CA 928691699139287
  6. Llanyee Liwanpo, M.D.Orange, CA 928691417171711
  7. Bogi Andersen, MDOrange, CA 928681164502233
  8. Yung-In Choi, MDOrange, CA 928681760562854

Common questions

What is Tahir Haytoglu, MD's NPI number?

Tahir Haytoglu, MD's National Provider Identifier (NPI) is 1932609054, issued on Feb 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tahir Haytoglu, MD located?

The NPPES record lists a practice address at 802 Magnolia Ave Ste 200, Corona, CA, 92879. Phone: (951) 444-7006. Providers update this record themselves, so call before visiting.

How can I verify Tahir Haytoglu, MD's license?

NPPES lists California license number A72482, 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 Tahir Haytoglu, MD prescribe under Medicare Part D?

In 2024, Tahir Haytoglu, MD had 6,511 Medicare Part D claims for 828 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.