Frederick Karrer, MD
NPI 1659465987 · Pediatric Surgery Physician · Aurora, CO
Frederick Karrer, MD is a Pediatric Surgery Physician provider in Aurora, CO (NPI 1659465987).
Provider details
- NPI number
- 1659465987
- Entity type
- Individual
- Primary specialty
- Pediatric Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25905 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-03
- Last updated
- 2018-11-17
Frequently asked questions
- What is Frederick Karrer's NPI number?
- Frederick Karrer's National Provider Identifier (NPI) is 1659465987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Karrer's specialty?
- Frederick Karrer is listed in the NPPES registry with a primary specialty of Pediatric Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Karrer located?
- Frederick Karrer's practice location on file with NPPES is 13123 E 16th Ave, Aurora, CO 80045-7106.
- What is Frederick Karrer's phone number?
- The practice phone number listed in the NPPES registry for Frederick Karrer is (720) 777-1234.
- Is Frederick Karrer's NPI active?
- Yes — Frederick Karrer's NPI (1659465987) is active in the NPPES registry as of the last update on 2018-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.