What is Ariel Clark's specialty?

Ariel Clark (NPI 1619101664) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Portland, ME.

Where does Ariel Clark practice?

Ariel Clark practices in Portland, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1619101664.

How much does Medicare pay Ariel Clark?

Ariel Clark (NPI 1619101664) received approximately $33K in total Medicare Part B payments, serving 243 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619101664

Ariel ClarkMD

PRACTICEMAINEHEALTHSee all providers at this practice →

Emergency MedicinePortland, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

330

Unique beneficiaries

—

Total services

342

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 320 Emergency Medicine providers in ME — top quintile (cohort median 250).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$399

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Doxycycline Hyclate17 claims

Prednisone14 claims

Cephalexin12 claims

Oxycodone Hcl11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Ariel Clark'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). 17 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Keith Fleming Diagnostic Radiology · Brunswick, ME	94	163
Jaime Kline Diagnostic Radiology · Brunswick, ME	79	136
Richard Schafer Internal Medicine · Farmington, ME	57	110
MIDCOAST HOSPITAL	43	66
Town Of Brunswick Ambulance Service Provider · Brunswick, ME	36	66
CORMIER, MARLENE	33	73
City Of Bath Ambulance Service Provider · Bath, ME	32	66
POLESKI, DAVID	31	40
Callie Mcmahon Physician Assistant · Brunswick, ME	30	55
Nicole Nalchajian Emergency Medicine · Brunswick, ME	22	39
Town Of Topsham Ambulance Service Provider · Topsham, ME	22	35
MARTINS POINT HEALTHCARE	21	37

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