What is Karen Guzzetta's specialty?

Karen Guzzetta (NPI 1558446104) is a Medicare-billing provider whose primary specialty is Internal Medicine in Denver, CO.

Where does Karen Guzzetta practice?

Karen Guzzetta practices in Denver, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1558446104.

How much does Medicare pay Karen Guzzetta?

Karen Guzzetta (NPI 1558446104) received approximately $16K in total Medicare Part B payments, serving 136 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558446104

Karen GuzzettaM.D.

Internal MedicineDenver, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

131

Unique beneficiaries

—

Total services

133

Distinct HCPCS

Medicare payment

$16K

Peer benchmark

Total Medicare services vs. 1,144 Internal Medicine providers in CO — bottom quintile (cohort median 528).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

86.0

Quality

78.6

Cost

74.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.46%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Karen Guzzetta'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Douglas Dennis Orthopedic Surgery · Denver, CO	55	137
Jason Forsythe Physician Assistant · Denver, CO	27	38
James Boyle Physician Assistant · Denver, CO	27	51
Orlin Hopper Diagnostic Radiology · Englewood, CO	22	37
Roger Bowles Internal Medicine · Littleton, CO	21	24
NPI 1467465146	18	20
Steven Friedrich Interventional Cardiology · Littleton, CO	18	22
NPI 1396781134	17	28
Shane Wheeler Diagnostic Radiology · Englewood, CO	14	28
CALANDRO, VITO	13	15
Arthur Levene Cardiology · Littleton, CO	13	16
Timothy Kuklo Orthopedic Surgery · Denver, CO	12	30

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