Doctor profile · Federal record

Dr. Sathya Subbiah, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Obesity Medicine (Internal Medicine) Physician · Mattoon, IL

  • NPI 1033128764
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
200 Richmond Ave E Ste 3
Mattoon, IL 619384652
(217) 234-7000
fax (217) 234-2060
Additional location
1100 Tuscola Blvd
Tuscola, IL 619532065
Additional location
1801 Windsor RD
Champaign, IL 618226217
(217) 366-5434
Mailing address
Po Box 372
Mattoon, IL 619380372

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 22, 2024
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Illinois #036-104472
Medicaid
IL #036104472 1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033128764. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
457
Distinct HCPCS
7
Medicare allowed
$44,237
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 128 97 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 91 72 $122
83036 Hemoglobin a1c level 56 46 $9
99204 New patient office or other outpatient visit, 45-59 minutes 50 50 $163
99215 Established patient office or other outpatient visit, 40-54 minutes 48 40 $168
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 43 32 $33
99203 New patient office or other outpatient visit, 30-44 minutes 41 41 $104

In context: peer comparison

Among 1 peers in this city , average services per provider: 65. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$514
Transactions
14
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 4 $131.91
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $123.68
Dexcom, Inc. 1 $64.88
BETA BIONICS, INC. 1 $45.65
Radius Health, Inc. 2 $44.54
ABBVIE INC. 2 $36.79
Corcept Therapeutics 1 $28.66
Amgen Inc. 1 $20.87
Insulet Corporation 1 $16.92

By nature of payment

Food and Beverage
$514

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
996
Patients
200
Total drug cost
$383,035
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 205 58 $2,485
Metformin Hcl Generic 135 28 $649
Novolog Flexpen (Insulin Aspart) Brand 114 36 $98,070
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 71 22 $46,829
Methimazole Generic 61 15 $579
Glimepiride Generic 54 12 $358
Farxiga (Dapagliflozin Propanediol) Brand 50 0 $37,682
Humalog Kwikpen U-100 (Insulin Lispro) Brand 50 17 $46,873
Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) Brand 46 0 $17,272
Trulicity (Dulaglutide) Brand 40 0 $46,886

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sathya Subbiah's medical specialty?
Dr. Sathya Subbiah practices Endocrinology, Diabetes & Metabolism Physician in Mattoon, IL.
Where does Dr. Sathya Subbiah practice?
Dr. Sathya Subbiah practices at 200 Richmond Ave E Ste 3, Mattoon, IL 619384652. Office phone: 2172347000.
What is Dr. Sathya Subbiah's NPI?
Dr. Sathya Subbiah's National Provider Identifier (NPI) is 1033128764, issued by NPPES.
Does Dr. Sathya Subbiah accept Medicare assignment?
Yes. Dr. Sathya Subbiah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sathya Subbiah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.