Doctor profile · Federal record

Dr. Thomas Marshall, MD

Ophthalmology Physician (CMS: Ophthalmology) · Baytown, TX

  • NPI 1376571687
  • Accepts Medicare
  • MIPS 83.7 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 Birdsong Dr Ste A
Baytown, TX 775213771
(281) 422-2020
fax (281) 422-4959
Mailing address
21502 Merchants Way
Katy, TX 774492517

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 16, 2024
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Texas #H0603
Medicaid
TX #125529103

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376571687. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,185
Distinct HCPCS
10
Medicare allowed
$183,089
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 368 329 $128
92136 Measurement of corneal curvature and depth of eye 173 107 $38
66984 Removal of cataract with insertion of prosthetic lens 149 93 $544
92012 Established patient problem focused exam of visual system 111 90 $91
92134 Imaging of retina 97 76 $41
92133 Imaging of optic nerve 81 78 $37
66821 Removal of recurring cataract in lens capsule using a laser 40 32 $337
92083 Exam of visual field with extended testing 40 39 $63
92004 New patient complete exam of visual system 36 36 $151
92020 Exam of the internal drainage system of eye 33 31 $28

In context: peer comparison

Among 3 peers in Baytown Ophthalmology Physician, average services per provider: 112. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$381
Transactions
12
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
New World Medical,INC. 2 $159.78
Biotissue Holdings INC. 2 $50.00
Tarsus Pharmaceuticals, INC. 2 $40.73
Alcon Vision LLC 2 $31.08
CooperVision INC. 1 $28.22
Ocular Therapeutix, INC. 1 $25.22
Abbvie INC. 1 $24.71
Bausch & Lomb Americas INC. 1 $21.42

By nature of payment

Food and Beverage
$381

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,583
Patients
1,265
Total drug cost
$292,248
Drug Type Claims Patients Total cost
Dexamethasone Sodium Phosphate Generic 620 405 $29,075
Latanoprost Generic 472 116 $9,190
Ciprofloxacin Hcl Generic 337 236 $4,124
Timolol Maleate Generic 216 66 $3,645
Ofloxacin Generic 214 158 $3,331
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 135 31 $3,589
Prolensa (Bromfenac Sodium) Brand 117 94 $41,753
Combigan (Brimonidine Tartrate/Timolol) Brand 88 16 $22,807
Restasis (Cyclosporine) Brand 85 41 $96,429
Lumigan (Bimatoprost) Brand 84 22 $39,891

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Marshall's medical specialty?
Dr. Thomas Marshall practices Ophthalmology Physician in Baytown, TX.
Where does Dr. Thomas Marshall practice?
Dr. Thomas Marshall practices at 1025 Birdsong Dr Ste A, Baytown, TX 775213771. Office phone: 2814222020.
What is Dr. Thomas Marshall's NPI?
Dr. Thomas Marshall's National Provider Identifier (NPI) is 1376571687, issued by NPPES.
Does Dr. Thomas Marshall accept Medicare assignment?
Yes. Dr. Thomas Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Marshall commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Measurement of corneal curvature and depth of eye (HCPCS 92136); Removal of cataract with insertion of prosthetic lens (HCPCS 66984). Source: CMS Medicare Physician & Other Practitioners file.