Doctor profile · Federal record

Dr. Thomas Parrish, OD

Optometrist (CMS: Optometry) · Carroll, IA

  • NPI 1922488022
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
805 N Main St
Carroll, IA 514012369
(712) 792-9687
fax (712) 792-9828

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Iowa #078262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922488022. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
982
Distinct HCPCS
10
Medicare allowed
$84,292
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 407 400 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 129 104 $81
92250 Photography of the retina 115 110 $33
92133 Imaging of optic nerve 67 67 $32
92134 Imaging of retina 67 66 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 57 53 $114
92004 New patient complete exam of visual system 52 52 $136
66984 Removal of cataract with insertion of prosthetic lens 32 20 $73
92083 Exam of visual field with extended testing 25 24 $53
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $99

In context: peer comparison

Among 1 peers in this city , average services per provider: 89. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperVision Inc. 2 $43.85

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
344
Patients
71
Total drug cost
$46,045
Drug Type Claims Patients Total cost
Latanoprost Generic 170 31 $3,015
Restasis (Cyclosporine) Brand 41 13 $23,006
Lumigan (Bimatoprost) Brand 32 0 $13,419
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 28 0 $556
Prednisolone Acetate Generic 23 16 $1,098
Timolol Maleate Generic 15 0 $123
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 13 11 $757
Alphagan P (Brimonidine Tartrate) Brand 11 0 $4,032
Cephalexin Generic 11 0 $39

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Parrish's medical specialty?
Dr. Thomas Parrish practices Optometrist in Carroll, IA.
Where does Dr. Thomas Parrish practice?
Dr. Thomas Parrish practices at 805 N Main St, Carroll, IA 514012369. Office phone: 7127929687.
What is Dr. Thomas Parrish's NPI?
Dr. Thomas Parrish's National Provider Identifier (NPI) is 1922488022, issued by NPPES.
Does Dr. Thomas Parrish accept Medicare assignment?
Yes. Dr. Thomas Parrish accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Parrish commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.