What is Brett Fenster's specialty?

Brett Fenster (NPI 1649267964) is a Medicare-billing provider whose primary specialty is Cardiology in Lone Tree, CO.

Where does Brett Fenster practice?

Brett Fenster practices in Lone Tree, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1649267964.

How much does Medicare pay Brett Fenster?

Brett Fenster (NPI 1649267964) received approximately $1K in total Medicare Part B payments, serving 18 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649267964

Brett FensterM.D.

PRACTICEKASIER PERMANTESee all providers at this practice →

CardiologyLone Tree, COI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

3,913

Beneficiaries

—

Total drug cost

$3.0M

Distinct drugs

Brand share

22.7%

Top prescribed drugs

Metoprolol Succinate343 claims

Ambrisentan330 claims

Furosemide293 claims

Potassium Chloride277 claims

Empagliflozin215 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Brett Fenster'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NATIONAL JEWISH HEALTH	565	2,120
Valerie Hale Diagnostic Radiology · Denver, CO	82	120
DYER, DEBRA	66	87
NPI 1396781134	59	174
Lifewatch Services, Inc Independent Diagnostic Testing Facility (IDTF) · Rosemont, IL	56	86
Tilman Koelsch Diagnostic Radiology · Denver, CO	48	75
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	46	94
Steve Groshong Pathology · Denver, CO	39	71
OLSON, AMY	29	103
HCA HEALTHONE LLC	27	74
SAINT JOSEPH HOSPITAL, INC	22	33
Wendi Drummond Infectious Disease · Portland, OR	14	23

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