DR. GREGORY JOSEPH PACELLI M.D., PH.D.
NPI 1245331388
Ophthalmology in Chicago, IL

Active since September 25, 2006PECOS Enrolled
3541 W IRVING PARK RD, BUILDING 1E, CHICAGO, IL 60618(773) 478-1600 Get Directions Write a Review

NPPES record last updated: March 4, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gregory Joseph Pacelli M.d., Ph.d. NPPES

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

DR. GREGORY JOSEPH PACELLI M.D., PH.D. (NPI 1245331388) is an individual ophthalmology provider in Chicago, Illinois, licensed in Illinois (036103468) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245331388
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. GREGORY JOSEPH PACELLICredential: M.D., PH.D.
Location Address3541 W IRVING PARK RD, BUILDING 1EChicago, IL 60618-3219
Mailing Address1431 N Western Ave, Ste 206Chicago, IL 60622-1773 · (773) 395-1600 · Fax (773) 395-2600
Sole ProprietorYes
Enumeration DateSeptember 25, 2006
Last NPPES UpdateMarch 4, 2016
NPI 1245331388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in IL · 036103468
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
3541 W IRVING PARK RD, Chicago, IL 60618

Other Identifiers 4

Medicaid036103468IL
Medicare UPINH00460IL
Medicare ID-Type Unspecified204791IL · Will County
Medicare ID-Type Unspecified203174IL · Cook County

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Gregory Joseph Pacelli M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 60618 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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 2

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

Ophthalmology
3541 W IRVING PARK RD, BLDG 1E
CHICAGO, IL 60618
Podiatrist (Primary Podiatric Medicine)
3541 W IRVING PARK RD
CHICAGO, IL 60618

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 Pacelli's NPI number?

The NPI number for Gregory Pacelli is 1245331388. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Gregory Pacelli located?

Gregory Pacelli practices at 3541 W Irving Park Rd Building 1E, Chicago, IL 60618. The listed phone number is (773) 478-1600.

What is Gregory Pacelli's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Gregory Pacelli enrolled in Medicare?

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

What insurance does Gregory Pacelli accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Gregory Pacelli as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Pacelli was last updated on March 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.