Sherin Elsa Mathews, M.D.
Endocrinology, Diabetes & Metabolism Physician · Princeton, NJ
Sherin Elsa Mathews, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Princeton, New Jersey, and NPI 1346656568, issued on Jul 8, 2014. Check the license (New Jersey 25MA10203400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sherin Elsa Mathews
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 25MA10203400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 256 Bunn Dr Ste D, Princeton, NJ 08540
- Phone
- (609) 924-4433
- Enumerated
- Jul 8, 2014
- Record last updated
- Dec 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20230111001741); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 417 in New Jersey → Look up another NPI →
Also registered at 256 Bunn Dr Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sunny Patel, MDEndocrinology, Diabetes & Metabolism Physician1609370667
Verify Sherin Elsa Mathews in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA10203400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,591 Medicare Part D claims for 205 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Levothyroxine Sodium151 claims
- Repaglinide121 claims
- Metformin Hcl Er105 claims
- Ozempic92 claims
- Metformin Hcl83 claims
- Mounjaro83 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: $247.98
14 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Advocare, LLCPrinceton, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sherin Elsa Mathews among 417 endocrinology, diabetes & metabolism physician records in New Jersey
Sherin Elsa Mathews, M.D. is one of 417 endocrinology, diabetes & metabolism physician records with a practice address in New Jersey. 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 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2011 · median 2006 among the 313 with a school on file
- Record last updated2022 · 56% 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 Jersey 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 Jersey
There are 417 endocrinology, diabetes & metabolism physician records in New Jersey.
All 417 in New Jersey → Every provider in Princeton → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Shirley Bembo, M.D.Princeton, NJ 085401023041472
- Paul Deutsch, M.D.Princeton, NJ 085401225262355
- Diane Fresca, M.D.Princeton, NJ 085401104084649
- Henry Goldstein, MDPrinceton, NJ 085401700946225
- Angela Inzerillo, MDPrinceton, NJ 085401346300852
- Ansu Joy, MDPrinceton, NJ 085401629278536
- Alan Moses, M.D.Princeton, NJ 085401922033067
- Cathleen Mullarkey-Desapio, MDPrinceton, NJ 085401225073505
Common questions
What is Sherin Elsa Mathews, M.D.'s NPI number?
Sherin Elsa Mathews, M.D.'s National Provider Identifier (NPI) is 1346656568, issued on Jul 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sherin Elsa Mathews, M.D. located?
The NPPES record lists a practice address at 256 Bunn Dr Ste D, Princeton, NJ, 08540. Phone: (609) 924-4433. Providers update this record themselves, so call before visiting.
How can I verify Sherin Elsa Mathews, M.D.'s license?
NPPES lists New Jersey license number 25MA10203400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sherin Elsa Mathews, M.D. prescribe under Medicare Part D?
In 2024, Sherin Elsa Mathews, M.D. had 1,591 Medicare Part D claims for 205 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.