Irina K. Harag, M.D.
Family Medicine Physician · Buffalo Grove, IL
Irina K. Harag, M.D. is a family medicine physician with a practice address in Buffalo Grove, Illinois, and NPI 1851393334, issued on Aug 13, 2005. Check the license (Illinois 036085486, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Irina K. Harag
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036085486 IL
Self-reported in NPPES; status is on the state search - Practice location
- 150 W Half Day RD, Buffalo Grove, IL 60089
- Phone
- (847) 821-1070
- Enumerated
- Aug 13, 2005
- Record last updated
- Aug 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120607000161); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 150 W Half Day RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irina K. Harag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036085486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family medicine physician in 2024
14,155 Medicare Part D claims for 369 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 263 claims were for opioids.
Most prescribed
- Atorvastatin Calcium739 claims
- Levothyroxine Sodium583 claims
- Amlodipine Besylate459 claims
- Metoprolol Succinate447 claims
- Losartan Potassium393 claims
- Omeprazole374 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: $585.09
29 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Irina K. Harag among 6,215 family medicine physician records in Illinois
Irina K. Harag, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1981 · median 2006 among the 3,714 with a school on file
- Record last updated2014 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Buffalo Grove
They are 22 of the 868 NPPES records with a practice address in Buffalo Grove, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Buffalo Grove → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Zishan Alam, D.O.Buffalo Grove, IL 600891295786754
- Hong Chen, MDBuffalo Grove, IL 600891053587964
- Christian Daniels, M.D.Buffalo Grove, IL 600891063490605
- Aleksandr Galperin, MDBuffalo Grove, IL 600891902810823
- Alexander Garibashvily, M.D.Buffalo Grove, IL 600891902814452
- Helen Gitlevich, M.D.Buffalo Grove, IL 600891821223702
- Robert Hughes, MDBuffalo Grove, IL 600891679505218
- Andrew Ivanchenko, M.D.Buffalo Grove, IL 600891598767352
Common questions
What is Irina K. Harag, M.D.'s NPI number?
Irina K. Harag, M.D.'s National Provider Identifier (NPI) is 1851393334, issued on Aug 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Irina K. Harag, M.D. located?
The NPPES record lists a practice address at 150 W Half Day RD, Buffalo Grove, IL, 60089. Phone: (847) 821-1070. Providers update this record themselves, so call before visiting.
How can I verify Irina K. Harag, M.D.'s license?
NPPES lists Illinois license number 036085486, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Irina K. Harag, M.D. prescribe under Medicare Part D?
In 2024, Irina K. Harag, M.D. had 14,155 Medicare Part D claims for 369 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.