Dr. Frederick M. Karrer, MD
- Publications
- 20
- Industry payments
- $269
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 13123 E 16th Ave, Aurora, CO 80045
- Practice phone
- Call (720) 777-6126
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Childrens Hospital Colorado
Aurora, Colorado
Find Dr. Karrer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Frederick M. Karrer is a pediatric surgery physician in Aurora, Colorado
Dr. Karrer practices at Childrens Hospital Colorado in Aurora, Colorado.
Dr. Karrer's NPI, 1659465987, was assigned on October 3, 2006. Dr. Karrer graduated from University of Nebraska College of Medicine in 1979. Dr. Karrer holds Colorado license DR.0025905.
- NPI
- 1659465987NPI Registry (opens in a new tab)
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Practice phone
- (720) 777-6126
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Frederick M. Karrer practices at Childrens Hospital Colorado in Aurora, Colorado
Dr. Karrer's primary practice is Childrens Hospital Colorado, at 13123 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 777-6126.
- Childrens Hospital Colorado13123 E 16th Ave, Aurora, CO 80045 · Adams CountyPhone(720) 777-6126
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Frederick M. Karrer is affiliated with 1 site of care
Dr. Karrer's primary practice is Childrens Hospital Colorado in Aurora, Colorado.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Frederick M. Karrer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karrer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Childrens Hospital Colorado | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Frederick M. Karrer is one of 23 pediatric surgery physicians in Colorado
Pediatric surgery is Dr. Karrer's primary specialty in the NPI Registry, under taxonomy code 2086S0120X. Dr. Karrer is licensed in Colorado.
Specialties and state licenses
- Pediatric surgery, ColoradoPrimary
Pediatric surgery physicians near Dr. Karrer
Counts of pediatric surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Frederick M. Karrer's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Dr. Karrer's median patient age at 14, with 100% women.
Dr. Karrer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Frederick M. Karrer has 20 publications on record
Dmand AI links 20 papers to Dr. Karrer, published from 2011 to 2023. 2017 was the busiest year, with 3. The most frequent topics are Biliary Atresia, Portoenterostomy, Hepatic and Child Abuse. Dr. Karrer has published most often in J Pediatr Surg. Dr. Karrer's most frequent co-authors are Jonathan P. Roach, MD, Shannon Nicole Acker, MD and David A. Partrick, MD.
Dr. Karrer's papers by year, 2011 to 2023
Topics Dr. Karrer writes about most
- Biliary Atresia
- Portoenterostomy, Hepatic
- Child Abuse
- Colorado
- Laparoscopy
- Liver Transplantation
- Postoperative Complications
Dr. Karrer's most frequent co-authors
- Jonathan P. Roach, MD8 shared papers
- Shannon Nicole Acker, MD5 shared papers
- David A. Partrick, MD5 shared papers
Recent publications by Dr. Karrer
J Trauma Acute Care Surg
J Pediatr Surg
See who Dr. Karrer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Karrer works with, so you can find a warm path to the right pediatric surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Frederick M. Karrer received $269 in industry payments from 2020 to 2025
CMS Open Payments shows 2 general payments to Dr. Karrer from 2 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Veloxis Pharmaceuticals, Inc. paid the most, $149.
General payments to Dr. Karrer by program year, 2020 to 2025
Companies that paid Dr. Karrer the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Frederick M. Karrer graduated from University of Nebraska College of Medicine
Dr. Karrer graduated from University of Nebraska College of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frederick M. Karrer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Frederick M. Karrer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Frederick M. Karrer's NPI number?
Dr. Frederick M. Karrer's NPI number is 1659465987. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Frederick M. Karrer?
Dr. Frederick M. Karrer is a pediatric surgery physician in Aurora, Colorado. The primary specialty in the NPI Registry is Pediatric Surgery Physician (taxonomy code 2086S0120X).
Where does Dr. Frederick M. Karrer practice?
Dr. Karrer practices at 13123 E 16th Ave, Aurora, CO 80045. Dr. Karrer's primary practice is Childrens Hospital Colorado in Aurora, Colorado.
What is Dr. Frederick M. Karrer's office phone number?
The practice phone on file for Dr. Karrer is (720) 777-6126.
What is Dr. Frederick M. Karrer's medical license number?
Dr. Karrer holds Colorado license DR.0025905.
Where did Dr. Frederick M. Karrer go to medical school?
Dr. Karrer graduated from University of Nebraska College of Medicine in 1979.
Has Dr. Frederick M. Karrer received payments from drug or device companies?
CMS Open Payments shows $269 in general payments to Dr. Karrer from 2 companies from 2020 to 2025. The largest total came from Veloxis Pharmaceuticals, Inc.
How long has Dr. Frederick M. Karrer been practicing?
Dr. Karrer graduated from medical school in 1979, 47 years ago.
Does Dr. Frederick M. Karrer do research?
Dmand AI links 20 publications to Dr. Karrer, published from 2011 to 2023.
Who does Dr. Frederick M. Karrer publish with?
Dr. Karrer's most frequent co-authors are Jonathan P. Roach, MD (8 shared papers), Shannon Nicole Acker, MD (5 shared papers) and David A. Partrick, MD (5 shared papers).
Selling to pediatric surgery practices?
See pediatric surgery physicians in Colorado by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card