PROVIDER PROFILE · NPI 1952393514

Mark SullivanPA-C

PRACTICEORTHO MONTANA, PSCSee all providers at this practice →

Physician AssistantBillings, MTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

589

Unique beneficiaries

—

Total services

1,108

Distinct HCPCS

Medicare payment

$32K

Peer benchmark

Total Medicare services vs. 659 Physician Assistant providers in MT — top quintile (cohort median 375).

PRESCRIBING · PART D · 2024

Total Rx claims

464

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

20.9%

Top prescribed drugs

Hydrocodone/Acetaminophen97 claims

Doxycycline Monohydrate79 claims

Gabapentin68 claims

Meloxicam63 claims

Tramadol Hcl45 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$21

Payment records

By payment type

Food and Beverage$21

REFERRAL NETWORK

Where Mark Sullivan'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SCL HEALTH MONTANA	139	597
WILSON, JOHN	90	571
BILLINGS CLINIC	27	64
HINGLE, VERONICA	21	36
Joseph Dillard Diagnostic Radiology · Billings, MT	20	24
Brian Christenson Diagnostic Radiology · Billings, MT	18	28
Frank Michels Family Practice · Billings, MT	16	26
DIETZ, ROBERT	15	27
Roy Kohler Sleep Medicine · Billings, MT	14	61
METWEST INC.	12	22

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