What is George Walker's specialty?

George Walker (NPI 1528053121) is a Medicare-billing provider whose primary specialty is Gastroenterology in Mesa, AZ.

Where does George Walker practice?

George Walker practices in Mesa, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1528053121.

How much does Medicare pay George Walker?

George Walker (NPI 1528053121) received approximately $123K in total Medicare Part B payments, serving 668 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events