caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1376698290

Gregory WallisCRNA

PRACTICEMEMORIAL HOSPITALSee all providers at this practice →
Certified Registered Nurse Anesthetist (CRNA)Nacogdoches, TXI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Gregory Wallis'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). 9 inbound referrers · 16 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Mary Calme
Diagnostic Radiology · Nacogdoches, TX
3764
Padma Anne
Diagnostic Radiology · Fort Worth, TX
3755
MAU, RICHARD3239
Vijaya Pokala
Cardiology · Nacogdoches, TX
2678
Ahammed Hashim
Pulmonary Disease · Nacogdoches, TX
2062
Cesar Delaguila
Cardiology · Nacogdoches, TX
1623
Charles Page
General Surgery · Nacogdoches, TX
1432
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
1218
NPI 13462168681126
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NACOGDOCHES COUNTY HOSPITAL DISTRICT106169
Carl Jones
Gastroenterology · Nacogdoches, TX
58136
Irma Sainz
Pathology · Nacogdoches, TX
4551
Allen Grisson
Diagnostic Radiology · Nacogdoches, TX
2953
Padma Anne
Diagnostic Radiology · Fort Worth, TX
2547
RANDEL, MARK2387
Vijaya Pokala
Cardiology · Nacogdoches, TX
2252
Binusha Moitheennazima
Pulmonary Disease · Nacogdoches, TX
2080
Mary Calme
Diagnostic Radiology · Nacogdoches, TX
1841
Ahammed Hashim
Pulmonary Disease · Nacogdoches, TX
1863
Charles Page
General Surgery · Nacogdoches, TX
1522
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
1519
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
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
76.9
Quality
72.8
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.08%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.