Gregory Liller, DO
NPI 1346827904 · Diagnostic Radiology Physician · Cleveland, OH
Gregory Liller, DO is a Diagnostic Radiology Physician provider in Cleveland, OH (NPI 1346827904).
Provider details
- NPI number
- 1346827904
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 34.018430 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-28
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is Gregory Liller's NPI number?
- Gregory Liller's National Provider Identifier (NPI) is 1346827904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Liller's specialty?
- Gregory Liller is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Liller located?
- Gregory Liller's practice location on file with NPPES is 11100 Euclid Ave, Cleveland, OH 44106-1716.
- What is Gregory Liller's phone number?
- The practice phone number listed in the NPPES registry for Gregory Liller is (216) 844-1700.
- Is Gregory Liller's NPI active?
- Yes — Gregory Liller's NPI (1346827904) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.