What is Mary Dagen's specialty?

Mary Dagen (NPI 1831341130) is a Medicare-billing provider whose primary specialty is Family Practice in Grand Rapids, MI.

Where does Mary Dagen practice?

Mary Dagen practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1831341130.

How much does Medicare pay Mary Dagen?

Mary Dagen (NPI 1831341130) received approximately $15K in total Medicare Part B payments, serving 78 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831341130

Mary DagenM.D.

Family PracticeGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

115

Unique beneficiaries

—

Total services

194

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

Total Medicare services vs. 3,054 Family Practice providers in MI — below median (cohort median 403).

PRESCRIBING · PART D · 2024

Total Rx claims

834

Beneficiaries

—

Total drug cost

$338K

Distinct drugs

Brand share

51.8%

Top prescribed drugs

Topiramate357 claims

Tirzepatide113 claims

Semaglutide104 claims

Metformin Hcl95 claims

Naltrexone Hcl45 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$103K

Payment records

157

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$89K

Consulting Fee$7K

Travel and Lodging$5K

Food and Beverage$2K

Education$129

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$89K

Consulting Fee$7K

Travel and Lodging$5K

Food and Beverage$2K

Education$129

REFERRAL NETWORK

Where Mary Dagen'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH PRIMARY CARE PARTNERS	103	355
NPI 1225066327	27	67
Theresa Osborne Internal Medicine · Grand Rapids, MI	25	62
Monica Lyons Nurse Practitioner · Grand Haven, MI	22	60
James Sutherland Diagnostic Radiology · Grand Haven, MI	17	50
Patricia Devries Nurse Practitioner · Grand Haven, MI	15	27
Hannah O'brien Physician Assistant · Grand Haven, MI	14	26

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