What is Mary Witt's specialty?

Mary Witt (NPI 1952342644) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Rockingham, VA.

Where does Mary Witt practice?

Mary Witt practices in Rockingham, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1952342644.

How much does Medicare pay Mary Witt?

Mary Witt (NPI 1952342644) received approximately $91K in total Medicare Part B payments, serving 351 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952342644

Mary WittMD

Hematology-OncologyRockingham, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

817

Unique beneficiaries

—

Total services

1,859

Distinct HCPCS

Medicare payment

$88K

Peer benchmark

Total Medicare services vs. 239 Hematology-Oncology providers in VA — below median (cohort median 37,558).

PRESCRIBING · PART D · 2024

Total Rx claims

693

Beneficiaries

—

Total drug cost

$780K

Distinct drugs

Brand share

23.7%

Top prescribed drugs

Acyclovir83 claims

Ondansetron Hcl83 claims

Prochlorperazine Maleate59 claims

Apixaban58 claims

Prednisone57 claims

QUALITY · MIPS · 2024

Final MIPS score

86.5

Quality

79.8

Cost

75.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.48%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mary Witt'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Val Liberace Diagnostic Radiology · Harrisonburg, VA	64	247
Emily Ritchie Diagnostic Radiology · Sacramento, CA	60	213
Philip Wright Diagnostic Radiology · Charlottesville, VA	58	154
Santhosh Ambika Hematology-Oncology · Reno, NV	51	209
David Grayson Diagnostic Radiology · Harrisonburg, VA	46	149
Thomas Wigginton Diagnostic Radiology · Binghamton, NY	44	148
Heather Morgan Radiation Oncology · Harrisonburg, VA	44	277
ADAMSON, NATHANIEL	43	145
Simone Dustin-Hess Pathology · Harrisonburg, VA	27	104
David Morgan Radiation Oncology · Rockingham, VA	25	132
BARNES, JOHN	20	61
Stewart Pollock Cardiology · Rockingham, VA	19	52

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