NPPES file of Aug 9, 2026

Sunil Raj Thomas, M.D.

Endocrinology, Diabetes & Metabolism Physician · North Haven, CT

Sunil Raj Thomas, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in North Haven, Connecticut, and NPI 1427362698, issued on Jul 30, 2010. Check the license (Connecticut 72367, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427362698
Name
Sunil Raj Thomas
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
72367 CT
25MA09787900 NJ
Self-reported in NPPES; status is on the state search
Practice location
190 Universal Drive, North Haven, CT 06473
Phone
(203) 234-5980
Enumerated
Jul 30, 2010
Record last updated
Nov 14, 2022
Fax
(203) 239-1028
Medicare enrollment
Enrolled (PECOS I20221114000564); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 190 Universal Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cassandra Muxen, MDInternal Medicine Physician1346744513

Verify Sunil Raj Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 72367
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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39% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,601 Medicare Part D claims for 248 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Sunil Thomas1,601
  2. Specialty average2,630

Most prescribed

  1. Ozempic159 claims
  2. Levothyroxine Sodium135 claims
  3. Mounjaro114 claims
  4. Jardiance85 claims
  5. Metformin Hcl Er76 claims
  6. Lantus Solostar74 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.

The MIPS final score for 2023 (Medicare payment program): 95.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $683.77

18 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.

  1. Sunil Thomas$683.77
  2. Specialty average$5,742.15

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

  1. Hartford Healthcare Medical Group Specialists PLLCNorth Haven, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sunil Raj Thomas among 214 endocrinology, diabetes & metabolism physician records in Connecticut

Sunil Raj Thomas, M.D. is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.

  • NPI issued2010 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1997 · median 2004 among the 145 with a school on file
  • Record last updated2022 · 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 207RE0101X and a Connecticut 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 Connecticut

There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. James Case, MDOrange, CT 064771750866182
  2. Susan Wang, D.OMilford, CT 064601598880031
  3. Lori De La Portilla, DOSouthington, CT 064891134562911
  4. Martin Kodish, M.D.Middletown, CT 064571225035546
  5. Amanda Kost, D.O.Middletown, CT 064571659647188
  6. Supriya Kulkarni, MDMiddletown, CT 064571225309222
  7. Donald Levine, M.D.Middletown, CT 064571215934286
  8. Van PhanMiddletown, CT 064571356845036

Common questions

What is Sunil Raj Thomas, M.D.'s NPI number?

Sunil Raj Thomas, M.D.'s National Provider Identifier (NPI) is 1427362698, issued on Jul 30, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Sunil Raj Thomas, M.D. located?

The NPPES record lists a practice address at 190 Universal Drive, North Haven, CT, 06473. Phone: (203) 234-5980. Providers update this record themselves, so call before visiting.

How can I verify Sunil Raj Thomas, M.D.'s license?

NPPES lists Connecticut license number 72367, as entered by the provider. 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.

How much does Sunil Raj Thomas, M.D. prescribe under Medicare Part D?

In 2024, Sunil Raj Thomas, M.D. had 1,601 Medicare Part D claims for 248 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Sunil Raj Thomas, M.D.'s MIPS final score?

The 2023 MIPS final score is 95.8 of 100. 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.