What is Mark Bostwick's specialty?

Mark Bostwick (NPI 1487686614) is a Medicare-billing provider whose primary specialty is Internal Medicine in Port Washington, WI.

Where does Mark Bostwick practice?

Mark Bostwick practices in Port Washington, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1487686614.

How much does Medicare pay Mark Bostwick?

Mark Bostwick (NPI 1487686614) received approximately $63K in total Medicare Part B payments, serving 241 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1487686614

Mark BostwickMD

Internal MedicinePort Washington, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

528

Unique beneficiaries

—

Total services

1,050

Distinct HCPCS

Medicare payment

$58K

Peer benchmark

Total Medicare services vs. 1,244 Internal Medicine providers in WI — top quintile (cohort median 578).

PRESCRIBING · PART D · 2024

Total Rx claims

8,547

Beneficiaries

—

Total drug cost

$517K

Distinct drugs

131

Brand share

21.1%

Top prescribed drugs

Atorvastatin Calcium688 claims

Losartan Potassium419 claims

Amlodipine Besylate321 claims

Lisinopril283 claims

Levothyroxine Sodium273 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mark Bostwick'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). 12 inbound referrers · 25 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AURORA MEDICAL CENTER GRAFTON, LLC	96	536
JENSEN, KENNETH	48	833
Leandro Espinosa Diagnostic Radiology · Grafton, WI	22	71
Edward Braza Ophthalmology · Milwaukee, WI	21	70
Shari Buske Podiatry · Mequon, WI	16	112
COLUMBIA ST MARY'S HOSPITAL OZAUKEE, INC.	16	67
GRUM, JOHN	15	58
John Schuck Diagnostic Radiology · St Francis, WI	14	45
BRUCKNER, JULIA	13	40
Steven Gryniewicz Diagnostic Radiology · Milwaukee, WI	13	43
Ryan Cooley Clinical Cardiac Electrophysiology · St. George, UT	13	97
Christopher Zellmer Diagnostic Radiology · St Francis, WI	12	29

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
A2cl Services, Llc Clinical Laboratory · West Allis, WI	175	1,841
AURORA MEDICAL CENTER GRAFTON, LLC	86	524
JENSEN, KENNETH	44	794
Kenneth Phillips Cardiology · Milwaukee, WI	33	230
AURORA HEALTH CARE METRO, INC.	26	167
Edward Braza Ophthalmology · Milwaukee, WI	22	82
KRCO, MICHAEL	22	239
WEISMAN, PAUL	21	164
Shari Buske Podiatry · Mequon, WI	18	117
Myron Praeger Optometry · Milwaukee, WI	18	55
Thomas Vravick Internal Medicine · Grafton, WI	17	210
COLUMBIA ST MARY'S HOSPITAL OZAUKEE, INC.	16	76

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