PROVIDER PROFILE · NPI 1326268079

Aaron FiekerD.O.

GastroenterologyTulsa, OKI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,001

Unique beneficiaries

—

Total services

1,034

Distinct HCPCS

Medicare payment

$101K

Peer benchmark

Total Medicare services vs. 106 Gastroenterology providers in OK — above median (cohort median 983).

PRESCRIBING · PART D · 2024

Total Rx claims

1,512

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

47.4%

Top prescribed drugs

Pantoprazole Sodium205 claims

Omeprazole203 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl197 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl117 claims

Sodium, Potassium,mag Sulfates69 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

104

By payment type

Food and Beverage$2K

Education$18

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Aaron Fieker'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). 17 inbound referrers · 25 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JOHN MEDICAL CENTER INC	276	706
REGIONAL MEDICAL LABORATORY, INC	111	375
COLE, MICHAEL	40	83
Zachary Chonka Diagnostic Radiology · Tulsa, OK	35	47
Kevin Baker Diagnostic Radiology · Grand Rapids, MI	26	45
OWASSO MEDICAL FACILITY, INC	25	45
John Morelli Diagnostic Radiology · Tulsa, OK	23	36
ST. JOHN BROKEN ARROW, INC	22	40
CHAIN, VICKI	22	41
Lisa Hayes Diagnostic Radiology · Tulsa, OK	21	31
Centurion Health Systems, Inc Ambulance Service Provider · Owasso, OK	18	27
Mark Trimble Cardiology · Tulsa, OK	15	25

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ST JOHN MEDICAL CENTER INC	118	239
REGIONAL MEDICAL LABORATORY, INC	117	367
Kanwaljit Aulakh Pathology · Tulsa, OK	47	112
LAUGHLIN, RICHARD	40	66
John Fitter Diagnostic Radiology · Tulsa, OK	36	72
Emergency Medical Services Authority Ambulance Service Provider · Tulsa, OK	35	63
James Taylor Pathology · Tulsa, OK	35	78
Zachary Chonka Diagnostic Radiology · Tulsa, OK	32	46
Steven Casner Pathology · Tulsa, OK	29	62
Rodney Shaffer Diagnostic Radiology · Greenville, SC	29	45
Kevin Baker Diagnostic Radiology · Grand Rapids, MI	26	43
COLE, MICHAEL	26	42

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