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GREGORY LEE GUZIK MD
NPI 1447909213
Internal Medicine in Indianapolis, IN

Active since March 21, 2022PECOS Enrolled
535 BARNHILL DR, INDIANAPOLIS, IN 46202(317) 278-0070 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 16, 2026, Jun 7, 2025 (2 updates tracked since 2025).

About Gregory Lee Guzik Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY LEE GUZIK MD (NPI 1447909213) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01099872A) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Wright State University Boonshoft School Of Medicine (2022).

NPPES Registry Identity

NPI1447909213
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGREGORY LEE GUZIKCredential: MD
Location Address535 BARNHILL DRIndianapolis, IN 46202-5116
Mailing Address535 Barnhill DrIndianapolis, IN 46202-5116 · (317) 948-6942
Phone(317) 278-0070
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateApril 16, 20262 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
✔ NPI 1447909213 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01099872A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
535 BARNHILL DR, Indianapolis, IN 46202
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Lee Guzik Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719364579
PECOS Enrollment IDI20260707000466
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANTON ALEXI CABELLON D.O.
Internal Medicine (Nephrology)
535 BARNHILL DR, RT 150
INDIANAPOLIS, IN 46202
Marion County (317) 948-0728
LINDA BATTIATO
Registered Nurse
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 278-6489
CHRISTIAN JON NELSON PHD
Psychologist (Clinical)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 948-2538
AMANJOT SINGH SETHI M.D.
Specialist
535 BARNHILL DR, SUITE 420
INDIANAPOLIS, IN 46202
Marion County (317) 278-1979
DR. ANITA AHMED TURK M.D.
Internal Medicine (Hematology & Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 274-0335
JENNIFER MARIE KING MD
Internal Medicine (Hematology & Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 944-0920
NANCY CAROL ISSA MD
Internal Medicine (Hematology & Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 948-6942
BETH A KIRSCH RDN, CSO, LD
Dietitian, Registered (Nutrition, Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 440-6242

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Guzik's NPI number?

The NPI number for Gregory Guzik is 1447909213. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Gregory Guzik located?

Gregory Guzik practices at 535 Barnhill Dr, Indianapolis, IN 46202. The listed phone number is (317) 278-0070.

What is Gregory Guzik's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gregory Guzik enrolled in Medicare?

Yes. Gregory Guzik is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Guzik was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.