PROVIDER PROFILE · NPI 1932284726

Mark MerwarthPAC

PRACTICEORTHOVIRGINIA INCSee all providers at this practice →

Physician AssistantRichmond, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$4K

Peer benchmark

Total Medicare services vs. 3,062 Physician Assistant providers in VA — bottom quintile (cohort median 318).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$374

Distinct drugs

Brand share

12.8%

Top prescribed drugs

Oxycodone Hcl61 claims

Tramadol Hcl14 claims

Hydrocodone/Acetaminophen11 claims

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 Mark Merwarth'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Adam Crowl Orthopedic Surgery · Richmond, VA	41	179
HCA HEALTH SERVICES OF VIRGINIA INC	25	65
Lowrey Holthaus Diagnostic Radiology · Richmond, VA	17	27
BON SECOURS ST FRANCIS MEDICAL CENTER LLC	12	20

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