What is Karen Lazzaro's specialty?

Karen Lazzaro (NPI 1427026954) is a Medicare-billing provider whose primary specialty is Internal Medicine in Greensburg, PA.

Where does Karen Lazzaro practice?

Karen Lazzaro practices in Greensburg, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1427026954.

How much does Medicare pay Karen Lazzaro?

Karen Lazzaro (NPI 1427026954) received approximately $21K in total Medicare Part B payments, serving 119 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1427026954

Karen LazzaroMD

PRACTICEWALWORTH MEDICAL ASSOCIATES, P.C.See all providers at this practice →

Internal MedicineGreensburg, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

283

Unique beneficiaries

—

Total services

313

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 4,434 Internal Medicine providers in PA — below median (cohort median 550).

PRESCRIBING · PART D · 2024

Total Rx claims

7,321

Beneficiaries

—

Total drug cost

$503K

Distinct drugs

114

Brand share

20.9%

Top prescribed drugs

Levothyroxine Sodium454 claims

Simvastatin305 claims

Atorvastatin Calcium299 claims

Rosuvastatin Calcium280 claims

Lisinopril267 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Karen Lazzaro'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). 6 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Matthew D'onofrio Internal Medicine · Greensburg, PA	36	244
Donna Sheetz Physician Assistant · Greensburg, PA	28	113
Mutual Aid Ambulance Service Inc. Ambulance Service Provider · Greensburg, PA	21	111
FIELDING, ERIC	15	31
EXCELA HEALTH HOME CARE & HOSPICE	12	34
Danielle Sharek Diagnostic Radiology · Pittsburgh, PA	11	21

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
WESTMORELAND REGIONAL HOSPITAL	158	932
Matthew D'onofrio Internal Medicine · Greensburg, PA	28	138
Donna Sheetz Physician Assistant · Greensburg, PA	25	85
LATROBE AREA HOSPITAL, INC.	20	52
Mutual Aid Ambulance Service Inc. Ambulance Service Provider · Greensburg, PA	14	96
Brenda Toth Nurse Practitioner · Greensburg, PA	13	24
Lawrence Denino Cardiology · Greensburg, PA	12	35
David Gray Diagnostic Radiology · Greensburg, PA	11	16

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