What is Karl Riggle's specialty?

Karl Riggle (NPI 1831114511) is a Medicare-billing provider whose primary specialty is General Surgery in Hagerstown, MD.

Where does Karl Riggle practice?

Karl Riggle practices in Hagerstown, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1831114511.

How much does Medicare pay Karl Riggle?

Karl Riggle (NPI 1831114511) received approximately $214K in total Medicare Part B payments, serving 500 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831114511

Karl RiggleMD

General SurgeryHagerstown, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

705

Unique beneficiaries

—

Total services

864

Distinct HCPCS

Medicare payment

$115K

Peer benchmark

Total Medicare services vs. 392 General Surgery providers in MD — top quintile (cohort median 348).

PRESCRIBING · PART D · 2024

Total Rx claims

232

Beneficiaries

—

Total drug cost

$29K

Distinct drugs

Brand share

33.2%

Top prescribed drugs

Tramadol Hcl126 claims

Hydrocodone/Acetaminophen52 claims

Apixaban25 claims

Cilostazol15 claims

Metronidazole14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$170

Payment records

By payment type

Food and Beverage$170

Top paying entities

Food and Beverage$170

REFERRAL NETWORK

Where Karl Riggle'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). 47 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FULTON COUNTY MEDICAL CENTER	83	471
Kevin Mccarthy Diagnostic Radiology · Eden Prairie, MN	68	138
Robert Mazzei Diagnostic Radiology · Hagerstown, MD	65	120
MIRE, GARY	56	125
Mansoor Husain Diagnostic Radiology · Hagerstown, MD	55	94
D'AMELIO, FRANK	47	133
Jeffrey Jones Cardiology · Hagerstown, MD	37	71
Michael Odonoghue Pathology · Hagerstown, MD	36	67
Shamim Dada Diagnostic Radiology · Hagerstown, MD	36	65
William Johnson Internal Medicine · Frederick, MD	34	153
Dean Notabartolo Cardiology · Hagerstown, MD	33	58
Thomas Gilbert General Practice · Hagerstown, MD	29	212

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