PROVIDER PROFILE · NPI 1376571687

Thomas MarshallMD

PRACTICEBERKELEY EYE INSTITUTE, PLLCSee all providers at this practice →

OphthalmologyBaytown, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

848

Unique beneficiaries

—

Total services

1,145

Distinct HCPCS

Medicare payment

$104K

Peer benchmark

Total Medicare services vs. 1,238 Ophthalmology providers in TX — below median (cohort median 1,864).

PRESCRIBING · PART D · 2024

Total Rx claims

2,206

Beneficiaries

—

Total drug cost

$209K

Distinct drugs

Brand share

19.5%

Top prescribed drugs

Dexamethasone Sodium Phosphate489 claims

Ciprofloxacin Hcl445 claims

Latanoprost392 claims

Timolol Maleate204 claims

Dorzolamide Hcl/Timolol Maleat92 claims

QUALITY · MIPS · 2024

Final MIPS score

89.8

Quality

81.5

Cost

76.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.62%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$381

Payment records

By payment type

Food and Beverage$381

REFERRAL NETWORK

Where Thomas Marshall's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 12 inbound referrers · 24 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	114	356
Susan Martinez Certified Registered Nurse Anesthetist (CRNA) · Spring, TX	38	103
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	33	64
Oliver Hunter Diagnostic Radiology · Baytown, TX	21	60
Saeed Kahkeshani Neurology · Baytown, TX	17	35
Vincent Harris Diagnostic Radiology · Baytown, TX	14	41
Hanh Nguyen Optometry · Baytown, TX	14	32
Federico Dancel Internal Medicine · Baytown, TX	14	28
ALBUERNE, LUIS	14	23
Kory Guidry Family Practice · Baytown, TX	14	58
Matt Khoshnevis Critical Care (Intensivists) · Houston, TX	13	69
Shehzad Sami Cardiology · Baytown, TX	11	36

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SAN JACINTO METHODIST HOSPITAL	145	692
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	83	214
Susan Martinez Certified Registered Nurse Anesthetist (CRNA) · Spring, TX	39	76
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	35	55
Jonathan Cordero Certified Registered Nurse Anesthetist (CRNA) · Houston, TX	28	113
Edward Leahey Cardiology · Baytown, TX	21	75
Laboratory Corporation Of America Clinical Laboratory · Houston, TX	21	35
William Decker Ophthalmology · Houston, TX	20	69
The Truong Diagnostic Radiology · Houston, TX	18	32
Kory Guidry Family Practice · Baytown, TX	17	53
POWELL, HARRIET	17	62
Amitabha Banerjee Diagnostic Radiology · Houston, TX	16	28

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history