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PROVIDER PROFILE · NPI 1033554118

Marshall WalkerO.D.

PRACTICEIOWA TRIBE OF OKLAHOMASee all providers at this practice →
OptometryPerkins, OKI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 370049
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,196
Unique beneficiaries
—
Total services
1,812
Distinct HCPCS
13
Medicare payment
$89K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 600 Optometry providers in OK — top quintile (cohort median 418).
REFERRAL NETWORK

Where Marshall Walker'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). 10 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CHEROKEE NATION139472
Melissa Mcintosh
Internal Medicine · Independence, KS
34140
LITTLE, SHARON26125
Kristy Hill
Nurse Practitioner · Grove, OK
2595
CLAREMORE INDIAN HOSPITAL2352
Clinton Beeson
Family Practice · Tulsa, OK
2286
JANE PHILLIPS MEMORIAL MEDICAL CENTER, INC.2047
REGIONAL MEDICAL LABORATORY, INC1355
LITTLE, TONY1252
FIELDER, CATHY1158
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CHEROKEE NATION2491,003
Melissa Mcintosh
Internal Medicine · Independence, KS
27121
Jeffrey Grisham
Ophthalmology · Bartlesville, OK
2765
Kristy Hill
Nurse Practitioner · Grove, OK
2372
LITTLE, SHARON2198
Clinton Beeson
Family Practice · Tulsa, OK
2077
JANE PHILLIPS MEMORIAL MEDICAL CENTER, INC.1947
LITTLE, TONY1771
James Pham
Diagnostic Radiology · Tulsa, OK
1740
CLAREMORE INDIAN HOSPITAL1649
GRISHAM EYE ASSOCIATES PC1320
REGIONAL MEDICAL LABORATORY, INC1252
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.
PRESCRIBING · PART D · 2024
Total Rx claims
251
Beneficiaries
—
Total drug cost
$8K
Distinct drugs
7
Brand share
29.9%
Top prescribed drugs
Latanoprost89 claims
Brimonidine Tartrate45 claims
Neomycin/Polymyxin B/Dexametha37 claims
Erythromycin Base26 claims
Prednisolone Acetate24 claims
QUALITY · MIPS · 2024
Final MIPS score
15.0
Quality
30.0
Cost
0.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-9.00%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$92
Payment records
5
By payment type
Food and Beverage$92