PROVIDER PROFILE · NPI 1386617090

Mack ErwinPA-C

Physician AssistantCharlotte, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 6,303 Physician Assistant providers in NC — bottom quintile (cohort median 290).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Mack Erwin'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). 6 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE PRESBYTERIAN HOSPITAL	62	79
Amishi Shah Psychiatry · Charlotte, NC	23	43
Mecklenburg Emergency Medical Services Agency Ambulance Service Provider · Charlotte, NC	19	35
John Kershner Physician Assistant · Charlotte, NC	18	29
Marquita Boggess Nurse Practitioner · Charlotte, NC	16	21
Khoa Tran Psychiatry · Roanoke, VA	13	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Greg Clary Psychiatry · High Point, NC	29	102
Eric Semeko Psychiatry · Charlotte, NC	26	64
John Kershner Physician Assistant · Charlotte, NC	17	45
THE PRESBYTERIAN HOSPITAL	16	33
Amishi Shah Psychiatry · Charlotte, NC	13	23
CAROLINAS MEDICAL CENTER	13	19
BLIEK, JACOBUS	11	27

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