GARY L DILLEHAY (MD) – Nuclear Radiology Physician, NPI 1578540795

GARY L DILLEHAY (MD) is a healthcare provider. based in Chicago, Illinois. specializing in Nuclear Radiology Physician. They hold the professional credentials MD. They hold a License No. 36061030 (IL). The NPI Number for GARY L DILLEHAY (MD) is 1578540795

Main info

Male
47 Years Of Experience
Accepts Medicare Assignment
Name
GARY L DILLEHAY (MD)
NPI
1578540795
Phone
(312) 926-5119
Address
251 E HURON ST
Enumeration Date
29 December 2005
Last Update Date
4 April 2012

Doctor Profile

Medical School Name
MAYO MEDICAL SCHOOL
Secondary Phone
-
Graduation Year
1979 (47 years ago)
PAC ID
6800826983
Group Practice PAC ID
4587576814
Professional Enrollment ID
I20050818000187
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for GARY L DILLEHAY (MD)

  • Northwestern Memorial Hospital, 251, East Huron Street, Magnificent Mile, Near North Side, Chicago, Cook County, Illinois, 60611, United States

    NUCLEAR MEDICINE, GALTER 8-110

    CHICAGO, IL 606112908

    Phone: (312) 926-5119

    Fax: (708) 216-9033

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $44.

Total Amount is formed as General ($44) + Research ($0) + Ownership ($0) = $44.

Last reported payment date: 2023-03-11 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($44).

Total Amount

$44

General + Research + Ownership

Payments

1

Total payment records

General Amount

$44

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-03-11

Latest reported date

Top Companies

Largest payers in this snapshot

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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 60611)

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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: 4587576814View full group profile
NameSpecialtyState
-IL
Diagnostic Radiology, Interventional RadiologyIL
P A T H O L O G YIL
Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal MedicineIL
G A S T R O E N T E R O L O G YIL
Internal MedicineIL
Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal MedicineMN
-IL
Physical Therapist In Private PracticeIL
Nurse PractitionerIL

Reviews

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Frequently asked questions

Does GARY L DILLEHAY (MD) have a public NPI I can cite?
Public records show GARY L DILLEHAY (MD) under NPI 1578540795.
Is GARY L DILLEHAY (MD)'s NPI status active today?
Active status means GARY L DILLEHAY (MD)'s NPI record is not deactivated in the public file.
What services align with GARY L DILLEHAY (MD)'s listing?
GARY L DILLEHAY (MD)'s public classification highlights Nuclear Radiology Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to GARY L DILLEHAY (MD)?
GARY L DILLEHAY (MD) shows a connection to Chicago, Illinois in registry-derived data.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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