Peter Kieffer, M.D.
NPI 1639194053 · Pediatrics Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Kieffer, M.D. is a Pediatrics Physician provider in Springfield, IL (NPI 1639194053).
Provider details
- NPI number
- 1639194053
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-133827 (IL)
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
- 2006-07-13
- Last updated
- 2018-02-26
Frequently asked questions
- What is Peter Kieffer's NPI number?
- Peter Kieffer's National Provider Identifier (NPI) is 1639194053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Kieffer's specialty?
- Peter Kieffer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Kieffer located?
- Peter Kieffer's practice location on file with NPPES is 301 N 8th St Ste 4a, Springfield, IL 62701-1013.
- What is Peter Kieffer's phone number?
- The practice phone number listed in the NPPES registry for Peter Kieffer is (217) 545-8000.
- Does Peter Kieffer accept Medicare?
- Peter Kieffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Kieffer's NPI active?
- Yes — Peter Kieffer's NPI (1639194053) is active in the NPPES registry as of the last update on 2018-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.