Doctor profile · Federal record

Dr. Tobby Mathew, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Naperville, IL

  • NPI 1962701342
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1020 E Ogden Ave
Naperville, IL 605638609
(630) 717-8707
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
August 16, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-134706
Medicaid
IL #036134706

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962701342. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,358
Distinct HCPCS
10
Medicare allowed
$204,462
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 750 363 $132
36415 Insertion of needle into vein for collection of blood sample 555 329 $8
80053 Blood test, comprehensive group of blood chemicals 388 294 $10
83036 Hemoglobin a1c level 354 267 $10
80061 Blood test, lipids (cholesterol and triglycerides) 340 283 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 306 250 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 280 280 $133
84443 Blood test, thyroid stimulating hormone (tsh) 219 194 $16
84439 Thyroxine (thyroid chemical), free 194 172 $9
84153 Psa (prostate specific antigen) measurement, total 108 102 $18

In context: peer comparison

Among 37 peers in Naperville Internal Medicine Physician, average services per provider: 101. This provider delivers 43× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$720
Transactions
35
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 9 $175.09
AstraZeneca Pharmaceuticals Lp 8 $159.34
Novo Nordisk INC 5 $112.27
Amgen INC. 4 $90.23
Phathom Pharmaceuticals, INC. 3 $52.73
Exact Sciences Corporation 2 $49.95
Pfizer INC. 2 $37.13
Sanofi-Aventis U.S. LLC 1 $25.14
Dexcom, INC. 1 $18.22

By nature of payment

Food and Beverage
$720

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,939
Patients
859
Total drug cost
$42,876
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 424 121 $4,856
Rosuvastatin Calcium Generic 352 107 $6,838
Levothyroxine Sodium Generic 260 72 $4,568
Lisinopril Generic 224 63 $2,668
Metformin Hcl Generic 215 62 $2,317
Metoprolol Succinate Generic 204 57 $3,943
Omeprazole Generic 204 59 $2,677
Amlodipine Besylate Generic 175 53 $2,259
Losartan Potassium Generic 172 54 $2,178
Simvastatin Generic 141 39 $1,868

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tobby Mathew's medical specialty?
Dr. Tobby Mathew practices Internal Medicine Physician in Naperville, IL.
Where does Dr. Tobby Mathew practice?
Dr. Tobby Mathew practices at 1020 E Ogden Ave, Naperville, IL 605638609. Office phone: 6307178707.
What is Dr. Tobby Mathew's NPI?
Dr. Tobby Mathew's National Provider Identifier (NPI) is 1962701342, issued by NPPES.
Does Dr. Tobby Mathew accept Medicare assignment?
Yes. Dr. Tobby Mathew accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tobby Mathew commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.