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PROVIDER PROFILE · NPI 1528267812

Sumiko ArmsteadMD

PRACTICESURGERY CLINIC OF GREATER HOUSTON, PLLCSee all providers at this practice →
NephrologyCypress, TXI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Sumiko Armstead'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). 46 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
City Of Houston
Ambulance Service Provider · Houston, TX
77401
Jianwei Feng
Cardiology · Houston, TX
59345
Chris Ojeih
Hospitalist · Houston, TX
51226
DALTON, STEPHEN49232
Abdul Rauf Zahid
Family Practice · Amarillo, TX
44498
Justin Tholany
Diagnostic Radiology · Houston, TX
39187
Chun Xie
Nephrology · Houston, TX
38392
Jeffrey Goldstein
Diagnostic Radiology · Houston, TX
37171
Patrick Johnson
Diagnostic Radiology · Houston, TX
34165
Andrew Ginzel
Diagnostic Radiology · Houston, TX
31133
Timothy Painter
Diagnostic Radiology · Houston, TX
31138
American Medical Response Of Texas Inc
Ambulance Service Provider · Houston, TX
31109
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
227
Unique beneficiaries
—
Total services
577
Distinct HCPCS
7
Medicare payment
$64K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 883 Nephrology providers in TX — bottom quintile (cohort median 1,432).
PRESCRIBING · PART D · 2024
Total Rx claims
573
Beneficiaries
—
Total drug cost
$197K
Distinct drugs
23
Brand share
35.4%
Top prescribed drugs
Furosemide56 claims
Amlodipine Besylate46 claims
Nifedipine44 claims
Carvedilol35 claims
Sevelamer Carbonate35 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.