What is John Harrison's specialty?

John Harrison (NPI 1043481336) is a Medicare-billing provider whose primary specialty is General Surgery in Manassas, VA.

Where does John Harrison practice?

John Harrison practices in Manassas, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1043481336.

How much does Medicare pay John Harrison?

John Harrison (NPI 1043481336) received approximately $44K in total Medicare Part B payments, serving 135 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1043481336

John HarrisonDO

PRACTICENMG AFFILIATE PRACTICE I, LLCSee all providers at this practice →

General SurgeryManassas, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

129

Unique beneficiaries

—

Total services

132

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 538 General Surgery providers in VA — below median (cohort median 316).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$183

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Oxycodone Hcl/Acetaminophen37 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$224

Payment records

By payment type

Food and Beverage$211

Travel and Lodging$13

Top paying entities

Food and Beverage$211

Travel and Lodging$13

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 490045

Hospital

CCN 490144

Hospital

REFERRAL NETWORK

Where John Harrison'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). 3 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UVA PRINCE WILLIAM MEDICAL CENTER	38	117
UVA PRINCE WILLIAM MEDICAL CENTER	16	49
Joseph Magalski General Surgery · Manassas, VA	15	29

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UVA PRINCE WILLIAM MEDICAL CENTER	47	183
UVA PRINCE WILLIAM MEDICAL CENTER	23	69
Robert Van Kirk Pathology · Manassas, VA	17	43
Weifen Zeng Pathology · Leesburg, VA	15	34
Joseph Magalski General Surgery · Manassas, VA	12	30

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