William Devon McMullen, DC
- Medicare patients, 2026
- 11
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 600 5th St Se Suite 2 Suite 2, Watertown, SD 57201-4915
- Practice phone
- Call (605) 878-0167
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Peak Chiropractic
Chiropractic practice · Watertown, South Dakota
Find William McMullen'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.
William Devon McMullen is a chiropractor in Watertown, South Dakota
William McMullen practices at Northern Peak Chiropractic in Watertown, South Dakota.
William McMullen's NPI, 1154911535, was assigned on January 20, 2021. William McMullen graduated from Northwestern College of Chiropractic in 2020. William McMullen holds South Dakota license 1389.
- NPI
- 1154911535NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092129064
- NPI enumeration date
- January 20, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 878-0167
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Devon McMullen practices at Northern Peak Chiropractic in Watertown, South Dakota
William McMullen's primary practice is Northern Peak Chiropractic, at 600 5th St Se Suite 2 Suite 2, Watertown, SD 57201-4915. The practice phone is (605) 878-0167.
- Northern Peak Chiropractic600 5th St Se Suite 2 Suite 2, Watertown, SD 57201-4915Phone(605) 878-0167
Source: Dmand AI Affiliation Data
William Devon McMullen is affiliated with 1 site of care and 1 medical group
William McMullen's primary practice is Northern Peak Chiropractic in Watertown, South Dakota. Dmand AI also links William McMullen to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Devon McMullen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William McMullen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Peak Chiropractic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Devon McMullen is one of 374 chiropractors in South Dakota
Chiropractor is William McMullen's primary specialty in the NPI Registry, under taxonomy code 111N00000X. William McMullen is licensed in South Dakota.
Specialties and state licenses
- Chiropractor, South DakotaPrimary
Chiropractors near William McMullen
Counts of chiropractors 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
William Devon McMullen treated 11 Medicare patients in 2026, average age 74
CMS counts 11 Medicare patients who saw William McMullen in 2026. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William McMullen's median patient age at 24, with 75% women.
William McMullen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 24
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How William Devon McMullen takes part in Medicare
William McMullen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
William Devon McMullen graduated from Northwestern College of Chiropractic
William McMullen graduated from Northwestern College of Chiropractic in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Devon McMullen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 William Devon McMullen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Devon McMullen's NPI number?
William Devon McMullen's NPI number is 1154911535. It was assigned on January 20, 2021, and it is active in the NPI Registry.
What does William Devon McMullen specialize in?
William Devon McMullen is a chiropractor in Watertown, South Dakota. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does William Devon McMullen practice?
William McMullen practices at 600 5th St Se Suite 2 Suite 2, Watertown, SD 57201-4915. William McMullen's primary practice is Northern Peak Chiropractic in Watertown, South Dakota. Dmand AI also links William McMullen to 1 medical group, and a free account names each one.
What is William Devon McMullen's office phone number?
The practice phone on file for William McMullen is (605) 878-0167. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is William Devon McMullen's email address?
Dmand AI checks professional and personal email addresses for William McMullen through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is William Devon McMullen's medical license number?
William McMullen holds South Dakota license 1389.
What medical group is William Devon McMullen part of?
Dmand AI links William McMullen to 1 medical group. A free account names the group, with the clinicians and leaders there.
Who does William Devon McMullen practice with?
Dmand AI links 2 HCPs to William McMullen's primary medical group. A free account lists them, with verified contacts.
Does William Devon McMullen accept Medicare?
Yes. CMS lists William McMullen as accepting Medicare assignment.
How many Medicare patients does William Devon McMullen see?
CMS counts 11 Medicare patients who saw William McMullen in 2026, with an average age of 74.
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Where did William Devon McMullen go to medical school?
William McMullen graduated from Northwestern College of Chiropractic in 2020.
How long has William Devon McMullen been practicing?
William McMullen graduated from medical school in 2020, 6 years ago.
What EHR does William Devon McMullen's practice use?
Dmand AI tracks the EHR system at Northern Peak Chiropractic and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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