What is Martin Greydanus's specialty?

Martin Greydanus (NPI 1043215544) is a Medicare-billing provider whose primary specialty is Specialist in Grand Rapids, MI.

Where does Martin Greydanus practice?

Martin Greydanus practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1043215544.

How much does Medicare pay Martin Greydanus?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Martin Greydanus (NPI 1043215544) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1043215544

Martin Greydanus

SpecialistGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

26.8%

Top prescribed drugs

Omeprazole27 claims

Sodium Chloride/Nahco3/Kcl/Peg15 claims

Azathioprine14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Martin Greydanus'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 · 24 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	72	148
Zdravko Skrtic Diagnostic Radiology · Grand Rapids, MI	16	49
Jennifer Rollenhagen Diagnostic Radiology · Grand Rapids, MI	13	27
RAU, PATRICIA	13	33
STRAUSS, MARK	13	24
Matthew Tiede Diagnostic Radiology · Wyoming, MI	11	25
Baljit Deol Interventional Radiology · Las Vegas, NV	11	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SAINT MARY'S HEALTH SERVICES	182	694
REGENTS OF THE UNIVERSITY OF MICHIGAN	122	269
Grand River Endoscopy Center, L.L.C. Ambulatory Surgical Center · Grand Rapids, MI	96	144
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	82	169
ADVANTAGE HEALTH SAINT MARY'S MEDICAL GROUP	24	52
SPECTRUM HEALTH HOSPITALS	24	59
VERDE, FRANCIS	23	48
EBROM, JOHN	22	44
MALNOR, MARK	20	48
STRAUSS, MARK	19	44
Robert Shibata Pathology · Clearwater, FL	19	37
Matthew Tiede Diagnostic Radiology · Wyoming, MI	19	49

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