MICHAEL F MARZEC (MD) – Internal Medicine Physician, NPI 1205847613

Internal Medicine Physician

MICHAEL F MARZEC (MD) is a healthcare provider. based in Aurora, Illinois. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. 036-064617 (IL). The NPI Number for MICHAEL F MARZEC (MD) is 1205847613

Main info

Male

46 Years Of Experience

Accepts Medicare Assignment

Name

MICHAEL F MARZEC (MD)

NPI

1205847613

Phone

(630) 859-6910

Address

2357 SEQUOIA DR

Enumeration Date

10 August 2006

Last Update Date

11 July 2016

Doctor Profile

Medical School Name

UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE

Secondary Phone

6308596800

Graduation Year

1980 (46 years ago)

PAC ID

5092763961

Group Practice PAC ID

0547172629

Professional Enrollment ID

I20050106001016

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MICHAEL F MARZEC (MD)

2357, Sequoia Drive, Aurora, Kane County, Illinois, 60506, United States
AURORA, IL 605066222
Phone: (630) 859-6910
Type: Mailing
2285, Sequoia Drive, Aurora, Kane County, Illinois, 60506, United States
AURORA, IL 605066209
Phone: (630) 859-6910
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60506)

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Provider's Procedures

MICHAEL F MARZEC (MD) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
INTERNAL MEDICINE	IL	83036	Hemoglobin A1C level	345	166
INTERNAL MEDICINE	IL	85610	Blood test, clotting time	78	24

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 0547172629View full group profile

Name	Specialty	State
NANCY E WHEREATT (MD)	-	IL
EDWARD M NEWMAN (D.O.)	-	IL
HEIDI A. SOLACHE (L.C.S.W.)	-	IL
CARRIE BETH SUMMERS (LCSW)	-	IL
JOHN M. PLOTKE (M.D.)	-	IL
DR. GREGORY ALAN BOSH (M.D.)	-	IN
ADAM N BLONSKY (MD)	-	IL
CHARLES R IRELAND (DO)	Family Practice	IL
DR. BRYAN RICHARD SWEENEY (D.O.)	-	IL
BINA I MIRZA (M.D.)	Nephrology, Internal Medicine	IL

Reviews

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Frequently asked questions

Can I use this page to confirm MICHAEL F MARZEC (MD)'s NPI?

Yes. MICHAEL F MARZEC (MD) is listed with NPI 1205847613 in the public NPI dataset.

Does CMS list MICHAEL F MARZEC (MD) as active?

Yes — MICHAEL F MARZEC (MD) is active in the NPI listing used on this page.

What taxonomy line describes MICHAEL F MARZEC (MD)?

For research purposes, treat MICHAEL F MARZEC (MD) as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.

What area does MICHAEL F MARZEC (MD) serve?

MICHAEL F MARZEC (MD)'s listing highlights Aurora, Illinois; more addresses can appear in NPPES.

Why does MICHAEL F MARZEC (MD) have multiple addresses?

2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.