Mihir Majmundar, M.D.
Specialist · Oak Lawn, IL
Mihir Majmundar, M.D. is a specialist with a practice address in Oak Lawn, Illinois, and NPI 1417932955, issued on Dec 7, 2005. Check the license (Illinois 036-088879, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mihir Majmundar
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License numbers
- 036-088879 IL
75757 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9921 Southwest Hwy, Oak Lawn, IL 60453
- Phone
- (708) 499-5678
- Enumerated
- Dec 7, 2005
- Record last updated
- Apr 2, 2025
- Fax
- (708) 499-5685
- Medicaid ID
- 036088879 IL
- Medicare enrollment
- Enrolled (PECOS I20040223000362); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Also registered at 9921 Southwest Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Charles Berkelhammer, MDSpecialist1457359697
- Brian Blumenstein, MDGastroenterology Physician1194784645
- Sarah Ehrhardt, PA-CMedical Physician Assistant1912057803
- Leah Kramer, PA-CPhysician Assistant1477173185
Verify Mihir Majmundar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 036-088879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average specialist in 2024
241 Medicare Part D claims for 85 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Omeprazole54 claims
- Amoxicillin48 claims
- Clarithromycin40 claims
- Metronidazole25 claims
- Lansoprazole22 claims
- Doxycycline Hyclate17 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: $471.47
12 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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
- GI Partners OF Illinois LLCLibertyville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mihir Majmundar among 1,154 specialist records in Illinois
Mihir Majmundar, M.D. is one of 1,154 specialist records with a practice address in Illinois. 19% 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, 92% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1991 · median 1988 among the 127 with a school on file
- Record last updated2025 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Illinois
There are 1,154 specialist records in Illinois.
All 1,154 in Illinois → Every provider in Oak Lawn → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Sara Barr, MS, ATC, CSCSOak Lawn, IL 604531659344778
- Michael Beck, MD SCOak Lawn, IL 604531346388774
- Richard Belch, M.D., PH.D.Oak Lawn, IL 604531366445678
- Charles Berkelhammer, MDOak Lawn, IL 604531457359697
- Douglas Lee, MDOak Lawn, IL 604531144229949
- Raj Mittal, M.D.Oak Lawn, IL 604531548224306
- Rama Singh, MDOak Lawn, IL 604531811050495
- Scott Strote, M.D.Oak Lawn, IL 604531790894798
Common questions
What is Mihir Majmundar, M.D.'s NPI number?
Mihir Majmundar, M.D.'s National Provider Identifier (NPI) is 1417932955, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mihir Majmundar, M.D. located?
The NPPES record lists a practice address at 9921 Southwest Hwy, Oak Lawn, IL, 60453. Phone: (708) 499-5678. Providers update this record themselves, so call before visiting.
How can I verify Mihir Majmundar, M.D.'s license?
NPPES lists Illinois license number 036-088879, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mihir Majmundar, M.D. prescribe under Medicare Part D?
In 2024, Mihir Majmundar, M.D. had 241 Medicare Part D claims for 85 beneficiaries; the average among specialist prescribers was 1,380. 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.