PROVIDER PROFILE · NPI 1679569404

David AlterMD

PRACTICESPECTRUM HEALTH HOSPITALSSee all providers at this practice →

PathologyGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,366

Unique beneficiaries

—

Total services

3,382

Distinct HCPCS

Medicare payment

$45K

Peer benchmark

Total Medicare services vs. 428 Pathology providers in MI — top quintile (cohort median 1,146).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

94.5

Quality

80.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.82%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where David Alter'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). 60 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH PRIMARY CARE PARTNERS	182	238
SPECTRUM HEALTH UNITED	68	212
NEWAYGO COUNTY GENERAL HOSPITAL ASSOCIATION	52	158
REED CITY HOSPITAL CORPORATION	51	136
MECOSTA COUNTY MEDICAL CENTER	42	120
O'ROURKE, TIMOTHY	37	131
Christopher Buchach Diagnostic Radiology · Grand Rapids, MI	37	50
Eric Santos Hematology-Oncology · Grand Rapids, MI	33	105
GRAND VALLEY MEDICAL SPECIALISTS PLC	30	38
Craig Moore Diagnostic Radiology · Grand Rapids, MI	30	41
Theresa Osborne Internal Medicine · Grand Rapids, MI	29	36
QUICK, JOHN	27	36

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