GREGORY ROBERT LILLER DO
NPI 1346827904
Radiology - Diagnostic Radiology in Cleveland, OH

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
11100 EUCLID AVE, CLEVELAND, OH 44106(216) 844-1700 Get Directions Write a Review

NPPES record last updated: April 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 14, 2026, Mar 28, 2021 (2 updates tracked since 2021).

About Gregory Robert Liller Do NPPES

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

GREGORY ROBERT LILLER DO (NPI 1346827904) is an individual diagnostic radiology provider in Cleveland, Ohio, licensed in Ohio (34.018430) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Uh Regional Hospitals, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1346827904
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameGREGORY ROBERT LILLERCredential: DO
Location Address11100 EUCLID AVECleveland, OH 44106-1716
Mailing Address8055 Mayfield Rd Ste 105Chesterland, OH 44026-2447 · (440) 214-8026 · Fax (216) 201-7963
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateApril 14, 20262 updates tracked since enumeration
NPPES CertifiedApril 14, 2026
✔ NPI 1346827904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in OH · 34.018430
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
11100 EUCLID AVE, Cleveland, OH 44106

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Robert Liller Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810462439
PECOS Enrollment IDI20260410001185
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.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Liller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
11100 EUCLID AVE
Cleveland, OH 44106
  • Reassigned Medicare billing, Ohio enrollment
  • 3,958 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Uh Regional Hospitals

Acute Care Hospitals · Chardon, OH
3/5 CMS rating
OwnershipProprietary
CMS Certification Number360075
Location13207 Ravenna RoadChardon, OH 44024 · Geauga County
Emergency services Birthing friendly

Lake Health

Acute Care Hospitals · Concord, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360098
Location7590 Auburn RoadConcord, OH 44077 · Lake County
Emergency services

Uh Cleveland Medical Center

Acute Care Hospitals · Cleveland, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360137
Location11100 Euclid AvenueCleveland, OH 44106 · Cuyahoga County
Emergency services Birthing friendly

University Hospitals - Elyria Medical Center

Acute Care Hospitals · Elyria, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360145
Location630 East River StreetElyria, OH 44035 · Lorain County

University Hospitals Ahuja Medical Center

Acute Care Hospitals · Beachwood, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360359
Location3999 Richmond RoadBeachwood, OH 44122 · Cuyahoga County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44106 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 20

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

Ophthalmology
11100 EUCLID AVE
CLEVELAND, OH 44106
Nurse Practitioner (Pediatrics)
11100 EUCLID AVE
CLEVELAND, OH 44106
General Acute Care Hospital (Children)
11100 EUCLID AVE, RBC 637
CLEVELAND, OH 44106
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE, UNIVERSITY HOSPITALS CASE MEDICAL CENTER
CLEVELAND, OH 44106
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE, UNIVERSITY HOSPITALS CASE MEDICAL CENTER
CLEVELAND, OH 44106
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE
CLEVELAND, OH 44106
Anesthesiology
11100 EUCLID AVE
CLEVELAND, OH 44106
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE
CLEVELAND, OH 44106

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 Liller's NPI number?

The NPI number for Gregory Liller is 1346827904. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Gregory Liller located?

Gregory Liller practices at 11100 Euclid Ave, Cleveland, OH 44106. The listed phone number is (216) 844-1700.

What is Gregory Liller's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gregory Liller enrolled in Medicare?

Yes. Gregory Liller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gregory Liller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Liller reassigns Medicare benefits to University Hospitals Medical Group Inc (Cleveland, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Liller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Liller accept?

Health plans from CareSource list Gregory Liller 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.

Is Gregory Liller affiliated with any hospitals?

According to CMS data, Gregory Liller is affiliated with Uh Regional Hospitals, Lake Health, Uh Cleveland Medical Center, University Hospitals - Elyria Medical Center and University Hospitals Ahuja Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Liller was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.