Doctor profile · Federal record

Dr. Thottathil Gopan, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Munster, IN

  • NPI 1023148939
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
761 45Th St Ste 110
Munster, IN 463212899
(219) 922-3020
fax (219) 922-3023
Mailing address
Po Box 781076
Detroit, MI 482781076

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 31, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Indiana #01063174
Medicaid
IN #200858530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023148939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,421
Distinct HCPCS
9
Medicare allowed
$122,797
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 639 333 $120
83036 Hemoglobin a1c level 248 141 $10
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 159 67 $33
82962 Blood glucose (sugar) test performed by hand-held instrument 145 113 $3
99215 Established patient office or other outpatient visit, 40-54 minutes 130 94 $168
99205 New patient office or other outpatient visit, 60-74 minutes 38 38 $208
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $155
99443 Telephone medical discussion with physician, 21-30 minutes 18 13 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 13 12 $85

In context: peer comparison

Among 4 peers in this city , average services per provider: 177. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,297
Transactions
13
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $244.49
Dexcom, Inc. 2 $172.37
Medtronic, Inc. 1 $158.75
AstraZeneca Pharmaceuticals LP 2 $141.61
BETA BIONICS, INC. 2 $124.32
Tandem Diabetes Care, Inc. 1 $122.71
Novo Nordisk Inc 1 $120.65
Insulet Corporation 1 $117.12
Xeris Pharmaceuticals, Inc. 1 $95.25

By nature of payment

Food and Beverage
$1,297

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,539
Patients
686
Total drug cost
$1,339,201
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 531 135 $8,373
Ozempic (Semaglutide) Brand 325 67 $482,096
Synthroid (Levothyroxine Sodium) Brand 211 47 $18,404
Jardiance (Empagliflozin) Brand 201 38 $199,834
Metformin Hcl Generic 170 55 $1,822
Metformin Hcl Er (Metformin Hcl) Brand 161 52 $1,996
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 151 49 $125,970
Trulicity (Dulaglutide) Brand 140 29 $167,550
Novolog Flexpen (Insulin Aspart) Brand 135 42 $154,478
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 99 45 $10,894

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thottathil Gopan's medical specialty?
Dr. Thottathil Gopan practices Endocrinology, Diabetes & Metabolism Physician in Munster, IN.
Where does Dr. Thottathil Gopan practice?
Dr. Thottathil Gopan practices at 761 45Th St Ste 110, Munster, IN 463212899. Office phone: 2199223020.
What is Dr. Thottathil Gopan's NPI?
Dr. Thottathil Gopan's National Provider Identifier (NPI) is 1023148939, issued by NPPES.
Does Dr. Thottathil Gopan accept Medicare assignment?
Yes. Dr. Thottathil Gopan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thottathil Gopan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.