Dr. William Dunn Mitchell, MD
- Industry payments
- $106
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 630 E Hyman Avenue, Aspen, CO 81611
- Practice phone
- Call (970) 544-1300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aspen Valley Pediatrics
Pediatric practice · Aspen, Colorado
Find Dr. Mitchell'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. William Dunn Mitchell is a pediatrician in Casper, Wyoming
Dr. Mitchell practices at Aspen Valley Pediatrics in Aspen, Colorado.
Dr. Mitchell's NPI, 1134202575, was assigned on October 21, 2006. Dr. Mitchell holds Colorado license 21570.
- NPI
- 1134202575NPI Registry (opens in a new tab)
- NPI enumeration date
- October 21, 2006
- NPI status
- Active
- Practice phone
- (970) 544-1300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Dunn Mitchell practices in Aspen and Casper
Dr. Mitchell's primary practice is Aspen Valley Pediatrics, at 630 E Hyman Avenue, Aspen, CO 81611. The practice phone is (970) 544-1300. The NPI Registry lists Dr. Mitchell's practice address as 1233 E 2nd St, Casper, WY 82601.
- Aspen Valley PediatricsPrimary630 E Hyman Avenue, Aspen, CO 81611Phone(970) 544-1300
- NPI Registry address1233 E 2nd St, Casper, WY 82601 · Natrona CountyPhone(970) 544-1300
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. William Dunn Mitchell is affiliated with 1 site of care and 1 medical group
Dr. Mitchell's primary practice is Aspen Valley Pediatrics in Aspen, Colorado. Dmand AI also links Dr. Mitchell to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William Dunn Mitchell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mitchell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aspen Valley Pediatrics | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Dunn Mitchell is one of 69 pediatricians in Wyoming
Pediatrics is Dr. Mitchell's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Mitchell is licensed in Colorado.
Specialties and state licenses
- Pediatrics, ColoradoPrimary
Pediatricians near Dr. Mitchell
Counts of pediatricians 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. William Dunn Mitchell's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Dr. Mitchell's median patient age at 14, with 54% women.
Dr. Mitchell'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
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. William Dunn Mitchell received $106 in industry payments from 2018 to 2024
CMS Open Payments shows 3 general payments to Dr. Mitchell from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $75.
General payments to Dr. Mitchell by program year, 2018 to 2024
Companies that paid Dr. Mitchell the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Dunn Mitchell'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. William Dunn Mitchell
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. William Dunn Mitchell's NPI number?
Dr. William Dunn Mitchell's NPI number is 1134202575. It was assigned on October 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Dunn Mitchell?
Dr. William Dunn Mitchell is a pediatrician in Casper, Wyoming. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. William Dunn Mitchell practice?
Dr. Mitchell practices at 630 E Hyman Avenue, Aspen, CO 81611. Dr. Mitchell also practices at 1233 E 2nd St, Casper, WY 82601. Dr. Mitchell's primary practice is Aspen Valley Pediatrics in Aspen, Colorado. Dmand AI also links Dr. Mitchell to 1 medical group.
What is Dr. William Dunn Mitchell's office phone number?
The practice phone on file for Dr. Mitchell is (970) 544-1300.
What is Dr. William Dunn Mitchell's medical license number?
Dr. Mitchell holds Colorado license 21570.
Has Dr. William Dunn Mitchell received payments from drug or device companies?
CMS Open Payments shows $106 in general payments to Dr. Mitchell from 2 companies from 2018 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. William Dunn Mitchell been practicing?
Dr. Mitchell's NPI was assigned in 2006.
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