Niby Mathew, M.D.
Family Medicine Physician · Frankfort, IL
Niby Mathew, M.D. is a family medicine physician with a practice address in Frankfort, Illinois, and NPI 1184869125, issued on Dec 4, 2008. Check the license (Illinois 125-051772, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Niby Mathew
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 125-051772 IL
Self-reported in NPPES; status is on the state search - Practice location
- 23120 S Lagrange RD, Frankfort, IL 60423
- Phone
- (815) 464-5440
- Enumerated
- Dec 4, 2008
- Entity
- Type 1 · individual
Also registered at 23120 S Lagrange RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tahreer Shatat, DOFamily Medicine Physician1245677749
Verify Niby Mathew 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 125-051772Check 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% more Medicare Part D claims than the average family medicine physician in 2024
3,674 Medicare Part D claims for 331 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 149 claims were for opioids.
Most prescribed
- Atorvastatin Calcium229 claims
- Levothyroxine Sodium142 claims
- Amlodipine Besylate129 claims
- Losartan Potassium124 claims
- Lisinopril110 claims
- Omeprazole98 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: $442.37
21 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 53,013 providers of this specialty with any payment received $861.30 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.
One hospital or facility affiliation
- Riverside Health SystemBourbonnais, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
20 family medicine physician records list a Frankfort practice address
They are 20 of the 669 NPPES records with a Frankfort practice address, and 5,925 family medicine physician records in Illinois.
All 20 in Frankfort → All 5,925 in Illinois → Every provider in Frankfort →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Ahmed Abdelkader, MDChicago, IL1659104230
Common questions
What is Niby Mathew, M.D.'s NPI number?
Niby Mathew, M.D.'s National Provider Identifier (NPI) is 1184869125, issued on Dec 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Niby Mathew, M.D. located?
The NPPES record lists a practice address at 23120 S Lagrange RD, Frankfort, IL, 60423. Phone: (815) 464-5440. Providers update this record themselves, so call before visiting.
How can I verify Niby Mathew, M.D.'s license?
NPPES lists Illinois license number 125-051772, 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 Niby Mathew, M.D. prescribe under Medicare Part D?
In 2024, Niby Mathew, M.D. had 3,674 Medicare Part D claims for 331 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.