Ribu Mathew, MD
Endocrinology, Diabetes & Metabolism Physician · Stony Brook, NY
Ribu Mathew, MD is an endocrinology, diabetes & metabolism physician with a practice address in Stony Brook, New York, and NPI 1649807678, issued on Mar 27, 2020. Check the license (New York 339019, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ribu Mathew
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 339019 NY
Self-reported in NPPES; status is on the state search - Practice location
- Health Science Center T16, Room 020, Stony Brook, NY 11790
- Phone
- (631) 444-7411
- Enumerated
- Mar 27, 2020
- Record last updated
- Oct 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20251128000259); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Verify Ribu Mathew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 339019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
278 Medicare Part D claims for 84 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Levothyroxine Sodium31 claims
- Ozempic29 claims
- Jardiance19 claims
- Repaglinide19 claims
- Metformin Hcl16 claims
- Lantus Solostar13 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.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ribu Mathew among 970 endocrinology, diabetes & metabolism physician records in New York
Ribu Mathew, MD is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2020 · median 2004 among the 694 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Stony Brook → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Monika Datt, D.O.Stony Brook, NY 117901578716262
- Mindy Griffith, M.D.Stony Brook, NY 117901487997821
- Michelle Jardine, MDStony Brook, NY 117901497740781
- Phyllis Migdal, M.D.Stony Brook, NY 117901144246885
- Theofanis Mitsinikos, D.O.Stony Brook, NY 117901467624064
- Ching-Hui Wu, M.D.Stony Brook, NY 117901598860967
- Alla Khalfin, D.O.Syosset, NY 117911528259843
- Reza Sabet, MDSyosset, NY 117911881640191
Common questions
What is Ribu Mathew, MD's NPI number?
Ribu Mathew, MD's National Provider Identifier (NPI) is 1649807678, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ribu Mathew, MD located?
The NPPES record lists a practice address at Health Science Center T16, Room 020, Stony Brook, NY, 11790. Phone: (631) 444-7411. Providers update this record themselves, so call before visiting.
How can I verify Ribu Mathew, MD's license?
NPPES lists New York license number 339019, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ribu Mathew, MD prescribe under Medicare Part D?
In 2024, Ribu Mathew, MD had 278 Medicare Part D claims for 84 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.