PROVIDER PROFILE · NPI 1528053121

George WalkerM.D.

GastroenterologyMesa, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,091

Unique beneficiaries

—

Total services

1,146

Distinct HCPCS

Medicare payment

$115K

Peer benchmark

Total Medicare services vs. 280 Gastroenterology providers in AZ — above median (cohort median 659).

PRESCRIBING · PART D · 2024

Total Rx claims

1,164

Beneficiaries

—

Total drug cost

$808K

Distinct drugs

Brand share

10.3%

Top prescribed drugs

Pantoprazole Sodium369 claims

Famotidine218 claims

Omeprazole123 claims

Sucralfate97 claims

Ursodiol46 claims

QUALITY · MIPS · 2024

Final MIPS score

81.8

Quality

60.5

Cost

81.2

Improvement activities

40.0

Promoting interop.

97.0

Payment adjustment

0.28%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$3K

Payment records

122

By payment type

Food and Beverage$2K

Education$99

REFERRAL NETWORK

Where George 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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BANNER BAYWOOD MEDICAL CENTER	235	513
East Valley Endoscopy Llc Ambulatory Surgical Center · Mesa, AZ	233	249
NPI 1316992407	55	106
Shauna Binette Nurse Practitioner · Mesa, AZ	46	51
Daryl Nichols Certified Registered Nurse Anesthetist (CRNA) · Gilbert, AZ	38	45
BANNER HEART HOSPITAL	38	51
Steven Zierer Gastroenterology · Mesa, AZ	32	53
James Lyons Diagnostic Radiology · Mesa, AZ	27	39
Mark Madsen Diagnostic Radiology · Mesa, AZ	25	36
Fred Dawson Diagnostic Radiology · Provo, UT	24	40
Ramsey Umar Gastroenterology · Mesa, AZ	22	50
Edward Markman Internal Medicine · Flagstaff, AZ	22	39

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