Karan Mathur, M.D.
Gastroenterology Physician · Detroit, MI
Karan Mathur, M.D. is a gastroenterology physician with a practice address in Detroit, Michigan, and NPI 1205277811, issued on Jul 11, 2013. Check the license (Michigan 4301501018, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Karan Mathur
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 4301501018 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4160 John R St Ste 615, Detroit, MI 48201
- Phone
- (313) 745-4195
- Enumerated
- Jul 11, 2013
- Record last updated
- Jan 9, 2026
- Fax
- (313) 993-8669
- Medicare enrollment
- Enrolled (PECOS I20240608000163); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 550 in Michigan → Look up another NPI →
Also registered at 4160 John R St Ste 615
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karan Mathur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301501018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gastroenterology physician in 2024
167 Medicare Part D claims for 54 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Omeprazole38 claims
- Pantoprazole Sodium21 claims
- Balsalazide Disodium13 claims
- Gavilyte-G12 claims
- Linzess12 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: $226.61
12 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- University Physician GroupDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karan Mathur among 550 gastroenterology physician records in Michigan
Karan Mathur, M.D. is one of 550 gastroenterology physician records with a practice address in Michigan. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2010 · median 2003 among the 415 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Michigan
There are 550 gastroenterology physician records in Michigan.
All 550 in Michigan → Every provider in Detroit → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Fadi Antaki, M.D.Detroit, MI 482011124127048
- Amer Arman, MDDetroit, MI 482011609526128
- Wael Dahhan, M.D.Detroit, MI 482011548618796
- Suneetha Duttala, M.D.Detroit, MI 482011760650006
- Murray Ehrinpreis, MDDetroit, MI 482011972540979
- Angy Hanna, MDDetroit, MI 482011386139756
- Kirthi Lilley, M.D.Detroit, MI 482011063733111
- Satish Maryala, M.D.Detroit, MI 482011881633170
Common questions
What is Karan Mathur, M.D.'s NPI number?
Karan Mathur, M.D.'s National Provider Identifier (NPI) is 1205277811, issued on Jul 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Karan Mathur, M.D. located?
The NPPES record lists a practice address at 4160 John R St Ste 615, Detroit, MI, 48201. Phone: (313) 745-4195. Providers update this record themselves, so call before visiting.
How can I verify Karan Mathur, M.D.'s license?
NPPES lists Michigan license number 4301501018, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karan Mathur, M.D. prescribe under Medicare Part D?
In 2024, Karan Mathur, M.D. had 167 Medicare Part D claims for 54 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.