Doctor profile · Federal record

Dr. Sunil Thomas, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Endocrinology, Diabetes & Metabolism Physician · North Haven, CT

  • NPI 1427362698
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
190 Universal Drive, Suite 103
North Haven, CT 064733683
(203) 234-5980
fax (203) 239-1028
Mailing address
1290 Silas Deane Hwy, Hartford Healthcare-Cvo
Wethersfield, CT 061094337

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
November 14, 2022
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Connecticut #72367 · New Jersey #25MA09787900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427362698. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
154
Distinct HCPCS
4
Medicare allowed
$19,731
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 66 66 $176
99214 Established patient office or other outpatient visit, 30-39 minutes 61 38 $130
82947 Blood glucose (sugar) level 16 11 $4
83036 Hemoglobin a1c level 11 11 $10

In context: peer comparison

Among 1 peers in North Haven Endocrinology, Diabetes & Metabolism Physician, average services per provider: 38. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$684
Transactions
18
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Amgen INC. 2 $232.60
Novo Nordisk INC 1 $113.58
Dexcom, INC. 1 $95.24
Antares Pharma, INC. 4 $67.63
Xeris Pharmaceuticals, INC. 3 $60.61
Insulet Corporation 3 $56.67
Lilly USA, LLC 2 $31.90
Corcept Therapeutics 1 $13.94
CeQur Corporation 1 $11.60

By nature of payment

Food and Beverage
$684

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
632
Patients
259
Total drug cost
$298,898
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 88 48 $1,663
Trulicity (Dulaglutide) Brand 75 21 $100,785
Jardiance (Empagliflozin) Brand 62 14 $50,546
Glipizide Generic 45 15 $510
Ozempic (Semaglutide) Brand 45 18 $59,774
Metformin Hcl Generic 40 24 $494
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 40 22 $3,902
Synthroid (Levothyroxine Sodium) Brand 36 17 $4,420
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 33 14 $24,343
Methimazole Generic 33 14 $438

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sunil Thomas's medical specialty?
Dr. Sunil Thomas practices Endocrinology, Diabetes & Metabolism Physician in North Haven, CT.
Where does Dr. Sunil Thomas practice?
Dr. Sunil Thomas practices at 190 Universal Drive, North Haven, CT 064733683. Office phone: 2032345980.
What is Dr. Sunil Thomas's NPI?
Dr. Sunil Thomas's National Provider Identifier (NPI) is 1427362698, issued by NPPES.
Does Dr. Sunil Thomas accept Medicare assignment?
Yes. Dr. Sunil Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sunil Thomas commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) level (HCPCS 82947). Source: CMS Medicare Physician & Other Practitioners file.