Mahan Mathur, M.D.
Diagnostic Radiology Physician · Greenwich, CT
Mahan Mathur, M.D. is a diagnostic radiology physician with a practice address in Greenwich, Connecticut, and NPI 1326260910, issued on May 3, 2007. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mahan Mathur
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 250284 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3409
- Enumerated
- May 3, 2007
- Record last updated
- Apr 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 863-3924
- Medicare enrollment
- Enrolled (PECOS I20130911000557); accepts Medicare assignment
- Medical or professional school
- Mcgill University Faculty Of Dentistry, 2007
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 619 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Mahan Mathur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahan Mathur among 619 diagnostic radiology physician records in Connecticut
Mahan Mathur, M.D. is one of 619 diagnostic radiology physician records with a practice address in Connecticut. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2007 · median 2003 among the 432 with a school on file
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 diagnostic radiology physician records list a practice address in Greenwich
They are 13 of the 1,184 NPPES records with a practice address in Greenwich, and 619 diagnostic radiology physician records in Connecticut.
All 619 in Connecticut → Every provider in Greenwich → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ann Cea, M.D.Greenwich, CT 068301417150004
- Kapil Desai, MDGreenwich, CT 068301528262219
- Collin Edwards, MDGreenwich, CT 068301558998807
- David Evans, M.D.Greenwich, CT 068301053379404
- Christopher Fey, M.D.Greenwich, CT 068301942268396
- Halley Hindman, D.O.Greenwich, CT 068301063807592
- Linda Latrenta, M.D.Greenwich, CT 068301861450686
- David Mullen, M.D.Greenwich, CT 068301891753240
Common questions
What is Mahan Mathur, M.D.'s NPI number?
Mahan Mathur, M.D.'s National Provider Identifier (NPI) is 1326260910, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mahan Mathur, M.D. located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3409. Providers update this record themselves, so call before visiting.
How can I verify Mahan Mathur, M.D.'s license?
Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Mahan Mathur, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. 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.