Doctor profile · Federal record

Dr. Thomas Chowattukunnel, MD

Ophthalmology Physician (CMS: Ophthalmology) · Marion, IN

  • NPI 1043292337
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
711 W Gardner Dr
Marion, IN 469521821
(765) 662-6257
fax (765) 668-6797

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 20, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Indiana #01036896A
Medicaid
IN #100383540

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043292337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,466
Distinct HCPCS
10
Medicare allowed
$230,463
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 292 168 $422
92136 Measurement of corneal curvature and depth of eye 290 186 $37
92014 Established patient complete exam of visual system 271 249 $118
66984 Removal of cataract with insertion of prosthetic lens 125 78 $12
99204 New patient office or other outpatient visit, 45-59 minutes 124 124 $154
92012 Established patient problem focused exam of visual system 69 51 $83
66821 Removal of recurring cataract in lens capsule using a laser 65 57 $302
92133 Imaging of optic nerve 61 54 $34
92134 Imaging of retina 57 54 $36
92083 Exam of visual field with extended testing 40 39 $58

In context: peer comparison

Among 1 peers in this city , average services per provider: 112. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas Inc. 1 $24.02

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,368
Patients
778
Total drug cost
$138,186
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 336 264 $18,561
Latanoprost Generic 243 71 $6,206
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 217 190 $1,903
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 93 27 $3,734
Ketorolac Tromethamine Generic 91 71 $3,312
Lumigan (Bimatoprost) Brand 83 23 $45,606
Moxifloxacin (Moxifloxacin Hcl) Brand 80 60 $6,117
Timolol Maleate Generic 51 17 $658
Brimonidine Tartrate Generic 42 15 $5,053
Alphagan P (Brimonidine Tartrate) Brand 30 0 $6,370

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Chowattukunnel's medical specialty?
Dr. Thomas Chowattukunnel practices Ophthalmology Physician in Marion, IN.
Where does Dr. Thomas Chowattukunnel practice?
Dr. Thomas Chowattukunnel practices at 711 W Gardner Dr, Marion, IN 469521821. Office phone: 7656626257.
What is Dr. Thomas Chowattukunnel's NPI?
Dr. Thomas Chowattukunnel's National Provider Identifier (NPI) is 1043292337, issued by NPPES.
Does Dr. Thomas Chowattukunnel accept Medicare assignment?
Yes. Dr. Thomas Chowattukunnel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Chowattukunnel commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Measurement of corneal curvature and depth of eye (HCPCS 92136); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.