Doctor profile · Federal record

Dr. William Thomas, O.D.

Optometrist (CMS: Optometry) · Box Elder, MT

  • NPI 1275543225
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Rr 1 Box 664
Box Elder, MT 595219797
(406) 395-4486
fax (406) 395-5374
Mailing address
2106 Oxford St
Missoula, MT 598016638

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 30, 2019
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Montana #773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275543225. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
575
Distinct HCPCS
9
Medicare allowed
$54,406
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 239 211 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 107 68 $89
92250 Photography of the retina 101 100 $37
92134 Imaging of retina 30 27 $40
66984 Removal of cataract with insertion of prosthetic lens 26 15 $97
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $165
92014 Established patient complete exam of visual system 20 20 $126
92133 Imaging of optic nerve 19 19 $33
92083 Exam of visual field with extended testing 12 12 $62

In context: peer comparison

Among 1 peers in this city , average services per provider: 63. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$67
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $49.31
Bausch & Lomb Americas Inc. 1 $17.68

By nature of payment

Food and Beverage
$67

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
352
Patients
61
Total drug cost
$22,454
Drug Type Claims Patients Total cost
Latanoprost Generic 239 43 $4,349
Timolol Maleate Generic 31 0 $333
Prednisolone Acetate Generic 27 18 $1,635
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 22 0 $308
Tobradex (Tobramycin/Dexamethasone) Brand 17 0 $4,653
Restasis (Cyclosporine) Brand 16 0 $11,176

Frequently asked questions

Auto-generated from federal data
What is Dr. William Thomas's medical specialty?
Dr. William Thomas practices Optometrist in Box Elder, MT.
Where does Dr. William Thomas practice?
Dr. William Thomas practices at Rr 1 Box 664, Box Elder, MT 595219797. Office phone: 4063954486.
What is Dr. William Thomas's NPI?
Dr. William Thomas's National Provider Identifier (NPI) is 1275543225, issued by NPPES.
Does Dr. William Thomas accept Medicare assignment?
Yes. Dr. William Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Thomas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.