What is James Visser's specialty?

James Visser (NPI 1548353048) is a Medicare-billing provider whose primary specialty is Nephrology in Grand Rapids, MI.

Where does James Visser practice?

James Visser practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1548353048.

How much does Medicare pay James Visser?

James Visser (NPI 1548353048) received approximately $110K in total Medicare Part B payments, serving 401 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548353048

James VisserMD

PRACTICERENAL ASSOCIATES OF WEST MICHIGAN PCSee all providers at this practice →

NephrologyGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

636

Unique beneficiaries

—

Total services

1,035

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

Total Medicare services vs. 269 Nephrology providers in MI — above median (cohort median 1,096).

PRESCRIBING · PART D · 2024

Total Rx claims

1,517

Beneficiaries

—

Total drug cost

$340K

Distinct drugs

Brand share

20.9%

Top prescribed drugs

Calcitriol214 claims

Amlodipine Besylate150 claims

Empagliflozin143 claims

Losartan Potassium121 claims

Lisinopril117 claims

QUALITY · MIPS · 2024

Final MIPS score

22.5

Quality

0.0

Cost

75.1

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.29%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where James Visser'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). 113 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH PRIMARY CARE PARTNERS	71	423
Michael Unruh Nephrology · Grand Rapids, MI	63	737
Ronald Hofmann Nephrology · Grand Rapids, MI	58	406
Christopher Buchach Diagnostic Radiology · Grand Rapids, MI	54	274
GOUSHAW, PHILIP	54	443
Kseniya Filippova Nephrology · Grand Rapids, MI	52	664
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	47	332
James Larson Diagnostic Radiology · Grand Rapids, MI	41	246
PETERSON, NEIL	38	165
QUICK, JOHN	38	207
Craig Moore Diagnostic Radiology · Grand Rapids, MI	37	134
BOSANKO, CAROL MAE	33	127

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