Peter Klieger, MD
NPI 1427089622 · Diagnostic Radiology Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Klieger, MD is a Diagnostic Radiology Physician provider in Buffalo, NY (NPI 1427089622).
Provider details
- NPI number
- 1427089622
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 159773 (NY)
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
19 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
- 2006-07-05
- Last updated
- 2021-01-20
- Certified
- 2021-01-20
Frequently asked questions
- What is Peter Klieger's NPI number?
- Peter Klieger's National Provider Identifier (NPI) is 1427089622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Klieger's specialty?
- Peter Klieger is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Klieger located?
- Peter Klieger's practice location on file with NPPES is Elm and Carlton Streets, Buffalo, NY 14263-0001.
- What is Peter Klieger's phone number?
- The practice phone number listed in the NPPES registry for Peter Klieger is (716) 845-2300.
- Does Peter Klieger accept Medicare?
- Peter Klieger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Klieger's NPI active?
- Yes — Peter Klieger's NPI (1427089622) is active in the NPPES registry as of the last update on 2021-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.