What is Nicholas Walker's specialty?

Nicholas Walker (NPI 1437241221) is a Medicare-billing provider whose primary specialty is Interventional Cardiology in Coralville, IA.

Where does Nicholas Walker practice?

Nicholas Walker practices in Coralville, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1437241221.

How much does Medicare pay Nicholas Walker?

Nicholas Walker (NPI 1437241221) received approximately $101K in total Medicare Part B payments, serving 851 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1437241221

Nicholas WalkerM.D.

Interventional CardiologyCoralville, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,287

Unique beneficiaries

—

Total services

1,381

Distinct HCPCS

Medicare payment

$90K

Peer benchmark

Total Medicare services vs. 47 Interventional Cardiology providers in IA — below median (cohort median 2,586).

PRESCRIBING · PART D · 2024

Total Rx claims

3,806

Beneficiaries

—

Total drug cost

$427K

Distinct drugs

Brand share

19.7%

Top prescribed drugs

Metoprolol Succinate499 claims

Atorvastatin Calcium360 claims

Lisinopril274 claims

Amlodipine Besylate260 claims

Losartan Potassium252 claims

QUALITY · MIPS · 2024

Final MIPS score

80.0

Quality

75.7

Cost

72.3

Improvement activities

40.0

Promoting interop.

78.0

Payment adjustment

0.21%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$100

Payment records

By payment type

Food and Beverage$100

Top paying entities

Food and Beverage$100

REFERRAL NETWORK

Where Nicholas 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). 59 inbound referrers · 112 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
STATE UNIVERSITY OF IOWA	230	779
JEFFERSON COUNTY HOSPITAL	212	1,377
NPI 1306891379	71	136
John Mehegan Cardiology · Iowa City, IA	71	216
Scott Truhlar Diagnostic Radiology · Coralville, IA	63	121
Jared Nelson Diagnostic Radiology · Coralville, IA	58	101
Colin O'brien Diagnostic Radiology · Coralville, IA	49	89
Daniel Wing Emergency Medicine · Iowa City, IA	40	84
Donald Brown Internal Medicine · Iowa City, IA	40	97
Michael Greiner Family Practice · Fairfield, IA	33	101
Kirk Gieswein Emergency Medicine · Coralville, IA	32	61
Donal Hill Family Practice · Fairfield, IA	32	184

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MERCY HOSPITAL, IOWA CITY, IOWA	425	1,379
STATE UNIVERSITY OF IOWA	163	520
JEFFERSON COUNTY HOSPITAL	158	930
WIESE, JAMES	109	252
Dean Mcnaughton Diagnostic Radiology · Coralville, IA	84	186
James Hopson Clinical Cardiac Electrophysiology · Iowa City, IA	83	291
Linda Lee Cardiology · Iowa City, IA	82	244
Stephan Schomer Cardiology · Washington, IA	77	199
Shane Kraske Diagnostic Radiology · Coralville, IA	69	156
FORT MADISON COMMUNITY HOSPITAL	67	288
Kimberly Delcour Cardiology · Iowa City, IA	63	138
Scott Truhlar Diagnostic Radiology · Coralville, IA	63	112

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