What is John Fenyk's specialty?

John Fenyk (NPI 1265463129) is a Medicare-billing provider whose primary specialty is Dermatology in Minneapolis, MN.

Where does John Fenyk practice?

John Fenyk practices in Minneapolis, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1265463129.

How much does Medicare pay John Fenyk?

John Fenyk (NPI 1265463129) received approximately $24K in total Medicare Part B payments, serving 158 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1265463129

John FenykM.D.

DermatologyMinneapolis, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

298

Unique beneficiaries

—

Total services

613

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

Total Medicare services vs. 255 Dermatology providers in MN — bottom quintile (cohort median 1,668).

PRESCRIBING · PART D · 2024

Total Rx claims

338

Beneficiaries

—

Total drug cost

$12K

Distinct drugs

Brand share

3.6%

Top prescribed drugs

Ketoconazole86 claims

Clobetasol Propionate37 claims

Fluocinonide33 claims

Metronidazole30 claims

Tacrolimus29 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 240053

Hospital

REFERRAL NETWORK

Where John Fenyk'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Hennepin Healthcare System, Inc Opioid Treatment Program · Minneapolis, MN	100	770
FAIRVIEW HEALTH SERVICES	11	55

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Hennepin Healthcare System, Inc Opioid Treatment Program · Minneapolis, MN	124	1,026
PARK NICOLLET METHODIST HOSPITAL	63	203
BART, BRUCE	41	299
Robert Werling Dermatology · St Louis Park, MN	16	44
FAIRVIEW HEALTH SERVICES	14	44

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