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PROVIDER PROFILE · NPI 1417994088

William AhrensMD

Family PracticeGrand Rapids, MII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
3,060
Beneficiaries
—
Total drug cost
$192K
Distinct drugs
85
Brand share
20.4%
Top prescribed drugs
Atorvastatin Calcium245 claims
Lisinopril161 claims
Hydrocodone/Acetaminophen161 claims
Levothyroxine Sodium150 claims
Amlodipine Besylate139 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
116
Unique beneficiaries
—
Total services
167
Distinct HCPCS
4
Medicare payment
$9K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,054 Family Practice providers in MI — below median (cohort median 403).
REFERRAL NETWORK

Where William Ahrens'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). 4 inbound referrers · 12 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP112489
STRAUSS, MARK1637
Jennifer Rollenhagen
Diagnostic Radiology · Grand Rapids, MI
1229
Tami Nysse
Nurse Practitioner · Walker, MI
1154
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SAINT MARY'S HEALTH SERVICES1781,278
REGENTS OF THE UNIVERSITY OF MICHIGAN132545
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP112488
ADVANTAGE HEALTH SAINT MARY'S MEDICAL GROUP1930
MALNOR, MARK1937
SPECTRUM HEALTH HOSPITALS1759
Mark Rapoport
Diagnostic Radiology · Grand Rapids, MI
1525
STRAUSS, MARK1226
ROSOL, KEITH1223
Rick Saier
Internal Medicine · Walker, MI
1139
Life Ems Inc
Ambulance Service Provider · Grand Rapids, MI
1128
Nishant Kalra
Interventional Cardiology · Grand Rapids, MI
1120
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.