Frederick Karrer, MD
Pediatric Surgery Physician · Aurora, CO
Frederick Karrer, MD is a pediatric surgery physician with a practice address in Aurora, Colorado, and NPI 1659465987, issued on Oct 3, 2006. Check the license (Colorado DR.0025905, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Frederick Karrer
- Credential
- MD
- Primary taxonomy
- Pediatric Surgery Physician 2086S0120X
- License numbers
- DR.0025905 CO
25905 CO
Self-reported in NPPES; status is on the state search - Practice location
- 13123 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 777-1234
- Enumerated
- Oct 3, 2006
- Record last updated
- Nov 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 01259050 CO
- Entity
- Type 1 · individual
8 nearest pediatric surgery physician records → All 26 in Colorado → Look up another NPI →
Also registered at 13123 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Travis Aardsma, RRT-NPSNeonatal/Pediatric Registered Respiratory Therapist1295463305
- Shawna Abbey, MDPediatric Emergency Medicine (Pediatrics) Physician1568547206
- Jordan Abbott, M.D.Pediatric Allergy/Immunology Physician1235315375
- Megan Abbott, MDEpilepsy Physician1861997355
- Denise Abdoo, PNPPediatric Nurse Practitioner1174558043
- Hemn Abdulrahim, MDNeurological Surgery Physician1871147769
Verify Frederick Karrer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0025905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Frederick Karrer among 26 pediatric surgery physician records in Colorado
Frederick Karrer, MD is one of 26 pediatric surgery physician records with a practice address in Colorado. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 62% newer
- In a Medicare fileNo · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2018 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0120X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Surgery Physician providers in Colorado
There are 26 pediatric surgery physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 26 in Colorado → Every provider in Aurora → Pediatric Surgery Physician nationwide →
The 8 pediatric surgery physician records with the nearest ZIP codes
- Shannon Acker, MDAurora, CO 800451235454125
- Thomas Baesl, MDAurora, CO 800451790734481
- John Bealer, MDAurora, CO 800451588655443
- Robert Cina, M.D.Aurora, CO 800451063544922
- Timothy Crombleholme, MDAurora, CO 800451194882175
- Ann Kulungowski, MDAurora, CO 800451609922384
- Steven Moulton, MDAurora, CO 800451700849924
- David Partrick, MDAurora, CO 800451184718413
Common questions
What is Frederick Karrer, MD's NPI number?
Frederick Karrer, MD's National Provider Identifier (NPI) is 1659465987, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Karrer, MD located?
The NPPES record lists a practice address at 13123 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 777-1234. Providers update this record themselves, so call before visiting.
How can I verify Frederick Karrer, MD's license?
NPPES lists Colorado license number DR.0025905, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.