Justin P. Darr, DC
- Medicare patients, 2026
- 134
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 2040 Concourse Dr, Saint Louis, MO 63146
- Practice phone
- Call (913) 895-2400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
Saint Louis, Missouri
Find Justin Darr'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.
Justin P. Darr is a chiropractor in Saint Louis, Missouri
Justin Darr practices at Quest Diagnostics in Saint Louis, Missouri.
Justin Darr's NPI, 1588023089, was assigned on February 12, 2016. Justin Darr graduated from Logan College of Chiropractic in 2014. Justin Darr holds Illinois license 038-012881.
- NPI
- 1588023089NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254638117
- NPI enumeration date
- February 12, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (913) 895-2400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Justin P. Darr practices at Quest Diagnostics in Saint Louis, Missouri
Justin Darr's primary practice is Quest Diagnostics, at 2040 Concourse Dr, Saint Louis, MO 63146 in Saint Louis County. The practice phone is (913) 895-2400.
- Quest Diagnostics2040 Concourse Dr, Saint Louis, MO 63146 · Saint Louis CountyPhone(913) 895-2400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Justin P. Darr is affiliated with 2 sites of care and 1 medical group
Justin Darr's primary practice is Quest Diagnostics in Saint Louis, Missouri. Dmand AI also links Justin Darr to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Justin P. Darr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Justin Darr practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
| +1 more site and 1 medical group | 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.
Justin P. Darr is one of 1,339 chiropractors in Missouri
Chiropractor is Justin Darr's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Justin Darr is licensed in Illinois.
Specialties and state licenses
- Chiropractor, IllinoisPrimary
Chiropractors near Justin Darr
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
Justin P. Darr treated 134 Medicare patients in 2026, average age 72
CMS counts 134 Medicare patients who saw Justin Darr in 2026. The largest group is 65 to 74, with 73 patients. 70% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Justin Darr's median patient age at 49, with 53% women.
Justin Darr's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Justin Darr's Medicare patients by sex, 2026
- Women6549%
- Men6951%
Chronic conditions among Justin Darr's Medicare patients, 2026
- High cholesterol70%
- High blood pressure68%
- Arthritis40%
- Diabetes32%
- Ischemic heart disease19%
- Anxiety18%
- Mood disorders14%
- Cancer13%
Share of Medicare patients with each condition. A patient can have several.
Justin Darr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How Justin P. Darr takes part in Medicare
Justin Darr 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)
Justin P. Darr graduated from Logan College of Chiropractic
Justin Darr graduated from Logan College of Chiropractic in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Justin P. Darr'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 DataDmand 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 Justin P. Darr
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Justin P. Darr's NPI number?
Justin P. Darr's NPI number is 1588023089. It was assigned on February 12, 2016, and it is active in the NPI Registry.
What does Justin P. Darr specialize in?
Justin P. Darr is a chiropractor in Saint Louis, Missouri. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Justin P. Darr practice?
Justin Darr practices at 2040 Concourse Dr, Saint Louis, MO 63146. Justin Darr's primary practice is Quest Diagnostics in Saint Louis, Missouri. Dmand AI also links Justin Darr to 1 group practice or clinic and 1 medical group, and a free account names each one.
What is Justin P. Darr's office phone number?
The practice phone on file for Justin Darr is (913) 895-2400. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Justin P. Darr's email address?
Dmand AI checks professional and personal email addresses for Justin Darr through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Justin P. Darr's medical license number?
Justin Darr holds Illinois license 038-012881.
What medical group is Justin P. Darr part of?
Dmand AI links Justin Darr to 1 medical group. A free account names the group, with the clinicians and leaders there.
Who does Justin P. Darr practice with?
Dmand AI links 3 HCPs to Justin Darr's primary medical group. A free account lists them, with verified contacts.
Does Justin P. Darr accept Medicare?
Yes. CMS lists Justin Darr as accepting Medicare assignment.
How many Medicare patients does Justin P. Darr see?
CMS counts 134 Medicare patients who saw Justin Darr in 2026, with an average age of 72.
Show 3 more questionsShow fewer questions
Where did Justin P. Darr go to medical school?
Justin Darr graduated from Logan College of Chiropractic in 2014.
How long has Justin P. Darr been practicing?
Justin Darr graduated from medical school in 2014, 12 years ago.
What EHR does Justin P. Darr's practice use?
Dmand AI tracks the EHR system at Quest Diagnostics and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.
Selling to chiropractor practices?
See chiropractors in Missouri 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