What is William Ahrens's specialty?

William Ahrens (NPI 1548278252) is a Medicare-billing provider whose primary specialty is Pathology in Charlotte, NC.

Where does William Ahrens practice?

William Ahrens practices in Charlotte, NC, based on the location reported in the CMS Medicare provider datasets for NPI 1548278252.

How much does Medicare pay William Ahrens?

William Ahrens (NPI 1548278252) received approximately $84K in total Medicare Part B payments, serving 1,274 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548278252

William AhrensMD

PathologyCharlotte, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,706

Unique beneficiaries

—

Total services

2,916

Distinct HCPCS

Medicare payment

$83K

Peer benchmark

Total Medicare services vs. 315 Pathology providers in NC — top quintile (cohort median 1,479).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

94.0

Quality

81.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.80%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CAROLINAS MEDICAL CENTER	290	611
CAROLINAS MEDICAL CENTER	76	92
Glen Portwood Internal Medicine · Charlotte, NC	75	200
Endoscopy Center - University, Llc Ambulatory Surgical Center · Charlotte, NC	74	78
LITTMANN, LASZLO	67	72
Endoscopy Center -Pineville Llc Ambulatory Surgical Center · Charlotte, NC	57	85
THE CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY	55	73
THE CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY	54	85
THE CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY	43	66
Oscar Brann Gastroenterology · Charlotte, NC	40	95
David Smith Gastroenterology · Charlotte, NC	38	73
Mecklenburg Emergency Medical Services Agency Ambulance Service Provider · Charlotte, NC	38	58

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