PROVIDER PROFILE · NPI 1356459903

William ParkerMD

Emergency MedicineMason City, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

315

Unique beneficiaries

—

Total services

326

Distinct HCPCS

Medicare payment

$35K

Peer benchmark

Total Medicare services vs. 334 Emergency Medicine providers in IA — above median (cohort median 314).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$593

Distinct drugs

Brand share

21.2%

Top prescribed drugs

Methylprednisolone21 claims

Tramadol Hcl19 claims

Hydrocodone/Acetaminophen18 claims

Azithromycin16 claims

Cefdinir11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$189

Payment records

By payment type

Food and Beverage$189

REFERRAL NETWORK

Where William Parker'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). 14 inbound referrers · 31 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPENCER MUNICIPAL HOSPITAL	259	1,020
John Hilsabeck Family Practice · Spencer, IA	39	137
CROUCH, CHARLES	37	75
Casey Shaffer Diagnostic Radiology · Cedar Rapids, IA	29	68
CRESWELL, RONALD	24	69
Travis Witt Family Practice · Spencer, IA	24	107
David Robison Family Practice · Spencer, IA	22	87
Darrel Forslund Family Practice · Spencer, IA	21	89
Glenn Preston Medical Oncology · Spencer, IA	18	72
Sonia Sather Hospitalist · Spencer, IA	16	158
Andrew Obamwonyi Emergency Medicine · Robins Air Force Base, GA	14	49
Amanda Young Family Practice · Spencer, IA	12	35

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SPENCER MUNICIPAL HOSPITAL	142	557
CROUCH, CHARLES	97	249
SKOPEC, PAUL	88	195
Thong Pham Clinical Cardiac Electrophysiology · Sioux City, IA	86	159
Casey Shaffer Diagnostic Radiology · Cedar Rapids, IA	73	161
DVORAK, BRIAN	43	242
John Hilsabeck Family Practice · Spencer, IA	39	219
Jeffry Peterson Family Practice · Spencer, IA	36	201
Nathaniel Meyer Family Practice · Spencer, IA	31	138
David Keith Family Practice · Spencer, IA	29	128
Travis Witt Family Practice · Spencer, IA	28	179
PALO ALTO COUNTY HOSPITAL	28	121

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