What is William Marr's specialty?

William Marr (NPI 1922190925) is a Medicare-billing provider whose primary specialty is Ophthalmology in College Station, TX.

Where does William Marr practice?

William Marr practices in College Station, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1922190925.

How much does Medicare pay William Marr?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for William Marr (NPI 1922190925) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1922190925

William Marr

OphthalmologyCollege Station, TXI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

129

Beneficiaries

—

Total drug cost

$59K

Distinct drugs

Brand share

47.3%

Top prescribed drugs

Latanoprost26 claims

Latanoprostene Bunod25 claims

Cyclosporine20 claims

Bimatoprost16 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where William Marr'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). 50 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	212	368
Jamie Houser Optometry · Bryan, TX	142	349
SCOTT & WHITE HOSPITAL - COLLEGE STATION	90	306
COLLEGE STATION HOSPITAL LP	50	137
Mark Florian Internal Medicine · Bryan, TX	37	74
Samuel Dickerson Anesthesiology · College Station, TX	33	98
James Stonecipher Pain Management · Bryan, TX	32	47
Michael Saxe Anesthesiology · Bryan, TX	31	77
CLEGG, PATRICK	30	83
Crystal Price Certified Registered Nurse Anesthetist (CRNA) · Bryan, TX	29	95
Dermopath Laboratories, L.L.C. Clinical Laboratory · Galveston, TX	28	37
Kennon Wigley Cardiology · Bryan, TX	27	38

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events