What is Bonnie Lonze's specialty?

Bonnie Lonze (NPI 1841343167) is a Medicare-billing provider whose primary specialty is General Surgery in New York, NY.

Where does Bonnie Lonze practice?

Bonnie Lonze practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1841343167.

How much does Medicare pay Bonnie Lonze?

Bonnie Lonze (NPI 1841343167) received approximately $40K in total Medicare Part B payments, serving 40 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841343167

Bonnie LonzeM.D., PH.D.

General SurgeryNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 1,366 General Surgery providers in NY — below median (cohort median 254).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

91.8

Cost

75.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$11K

Payment records

By payment type

Consulting Fee$11K

Food and Beverage$29

Top paying entities

Consulting Fee$11K

Food and Beverage$29

REFERRAL NETWORK

Where Bonnie Lonze'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nada Alachkar Nephrology · Baltimore, MD	54	194
Ulrike Hamper Diagnostic Radiology · Baltimore, MD	51	228
David Feigin Diagnostic Radiology · Baltimore, MD	47	229
Rachel Marino Nurse Practitioner · Baltimore, MD	38	167
Carrie Chamberlain-Penny Nurse Practitioner · Baltimore, MD	34	228
JACOBS, STETHANIE	30	297
Satomi Kawamoto Diagnostic Radiology · Baltimore, MD	25	131
Brian Matlaga Urology · Baltimore, MD	24	111
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	24	349
Katherine Klingenberg Physician Assistant · Aurora, CO	23	69
Robert Montgomery General Surgery · Baltimore, MD	23	243
Siva Raman Diagnostic Radiology · Walnut Creek, CA	19	94

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