What is Michael Fretzin's specialty?

Michael Fretzin (NPI 1134118987) is a Medicare-billing provider whose primary specialty is Dermatology in Buffalo Grove, IL.

Where does Michael Fretzin practice?

Michael Fretzin practices in Buffalo Grove, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1134118987.

How much does Medicare pay Michael Fretzin?

Michael Fretzin (NPI 1134118987) received approximately $644K in total Medicare Part B payments, serving 1,759 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134118987

Michael FretzinMD

DermatologyBuffalo Grove, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,217

Unique beneficiaries

—

Total services

9,886

Distinct HCPCS

Medicare payment

$403K

Peer benchmark

Total Medicare services vs. 480 Dermatology providers in IL — top quintile (cohort median 2,329).

PRESCRIBING · PART D · 2024

Total Rx claims

1,429

Beneficiaries

—

Total drug cost

$663K

Distinct drugs

Brand share

14.9%

Top prescribed drugs

Triamcinolone Acetonide367 claims

Ketoconazole161 claims

Clobetasol Propionate105 claims

Valacyclovir Hcl92 claims

Minoxidil79 claims

QUALITY · MIPS · 2024

Final MIPS score

91.5

Quality

71.8

Cost

100.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.70%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

194

By payment type

Food and Beverage$4K

Education$24

Top paying entities

Food and Beverage$4K

Education$24

REFERRAL NETWORK

Where Michael Fretzin'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). 8 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ENDEAVOR HEALTH CLINICAL OPERATIONS	102	185
ALEXIAN BROTHERS MEDICAL CENTER	23	24
NORTHWESTERN LAKE FOREST HOSPITAL	18	30
ADVOCATE HEALTH AND HOSPITALS CORPORATION	18	27
ADVOCATE HEALTH AND HOSPITALS CORPORATION	15	23
ADVOCATE CONDELL MEDICAL CENTER	12	14
ST. ALEXIUS MEDICAL CENTER	11	13
Marianne Rosen Dermatology · Glenview, IL	11	44

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTHWEST COMMUNITY HOSPITAL	149	252
ENDEAVOR HEALTH CLINICAL OPERATIONS	112	202
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	83	132
ENDEAVOR HEALTH CLINICAL OPERATIONS	72	170
A2cl Services, Llc Clinical Laboratory · West Allis, WI	34	65
ADVOCATE HEALTH AND HOSPITALS CORPORATION	21	35
Laboratory Corporation Of America Holdings Clinical Laboratory · Dublin, OH	20	23
Scott Glazer Dermatology · Buffalo Grove, IL	19	247
ADVOCATE HEALTH AND HOSPITALS CORPORATION	18	22
NORTHWESTERN LAKE FOREST HOSPITAL	18	33
RAFF, LESTER	15	22
ALEXIAN BROTHERS MEDICAL CENTER	15	22

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