What is Donald Marion's specialty?

Donald Marion (NPI 1952488397) is a Medicare-billing provider whose primary specialty is Optometry in Princeton, IL.

Where does Donald Marion practice?

Donald Marion practices in Princeton, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1952488397.

How much does Medicare pay Donald Marion?

Donald Marion (NPI 1952488397) received approximately $46K in total Medicare Part B payments, serving 349 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952488397

Donald MarionOD

OptometryPrinceton, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

708

Unique beneficiaries

—

Total services

2,692

Distinct HCPCS

Medicare payment

$43K

Peer benchmark

Total Medicare services vs. 1,316 Optometry providers in IL — top quintile (cohort median 376).

PRESCRIBING · PART D · 2024

Total Rx claims

140

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

11.4%

Top prescribed drugs

Latanoprost88 claims

Timolol Maleate24 claims

Bimatoprost16 claims

Travoprost12 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 Donald Marion'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
JULIA RACKLEY PERRY MEMORIAL HOSPITAL	140	320
Ketan Patel Internal Medicine · Princeton, IL	49	121
ROAT, STEVEN	38	63
Dennis Farrell Chiropractic · Princeton, IL	28	103
Gregg Davis Family Practice · Princeton, IL	27	88
Arnold Faber Family Practice · Princeton, IL	19	36
SAINT FRANCIS MEDICAL CENTER	17	25
Truletta Argubright Nurse Practitioner · Oglesby, IL	15	30
NAPAWAN, CHIRADEJ	13	163
Timothy Pratt Family Practice · Sheffield, IL	12	25
Christian Schwartz Urology · Spring Valley, IL	11	18

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