Alexander Nicholas Marks
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 4142 Keaton Crossing Blvd, O Fallon, MO 63368
- Practice phone
- Call (636) 300-9333
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Family Life Counseling and Psychological Services
O Fallon, Missouri
Find Alexander Marks' 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.
Alexander Nicholas Marks is a counselor in O Fallon, Missouri
Alexander Marks practices at Family Life Counseling and Psychological Services in O Fallon, Missouri.
Alexander Marks' NPI, 1144748914, was assigned on August 31, 2017.
- NPI
- 1144748914NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2017
- NPI status
- Active
- Practice phone
- (636) 300-9333
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Alexander Nicholas Marks practices at Family Life Counseling and Psychological Services in O Fallon, Missouri
Alexander Marks' primary practice is Family Life Counseling and Psychological Services, at 4142 Keaton Crossing Blvd, O Fallon, MO 63368 in Saint Charles County. The practice phone is (636) 300-9333.
- Family Life Counseling and Psychological Services4142 Keaton Crossing Blvd, O Fallon, MO 63368 · Saint Charles CountyPhone(636) 300-9333
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Alexander Nicholas Marks is affiliated with 2 sites of care and 1 medical group
Alexander Marks' primary practice is Family Life Counseling and Psychological Services in O Fallon, Missouri. The medical group on file is Family Life Counseling and Psychological Services, LLC. Dmand AI also links Alexander Marks to 1 more group practice or clinic, 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 Alexander Nicholas Marks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alexander Marks practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Family Life Counseling and Psychological Services | Available with a free account |
| +1 more affiliated site | 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.
Alexander Nicholas Marks is one of 171 counselors in Missouri
Counselor is Alexander Marks' primary specialty in the NPI Registry, under taxonomy code 101Y00000X.
Specialties and state licenses
- CounselorPrimary
Counselors near Alexander Marks
Counts of counselors 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
Alexander Nicholas Marks' patients have a median age of 28
Across all payers, Dmand AI patient panel data puts Alexander Marks' median patient age at 28, with 45% women.
Alexander Marks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 28
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Sources for Alexander Nicholas Marks'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 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 Alexander Nicholas Marks
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alexander Nicholas Marks' NPI number?
Alexander Nicholas Marks' NPI number is 1144748914. It was assigned on August 31, 2017, and it is active in the NPI Registry.
What does Alexander Nicholas Marks specialize in?
Alexander Nicholas Marks is a counselor in O Fallon, Missouri. The primary specialty in the NPI Registry is Counselor (taxonomy code 101Y00000X).
Where does Alexander Nicholas Marks practice?
Alexander Marks practices at 4142 Keaton Crossing Blvd, O Fallon, MO 63368. Alexander Marks' primary practice is Family Life Counseling and Psychological Services in O Fallon, Missouri. Dmand AI also links Alexander Marks to 1 group practice or clinic.
What is Alexander Nicholas Marks' office phone number?
The practice phone on file for Alexander Marks is (636) 300-9333.
What medical group is Alexander Nicholas Marks part of?
Alexander Marks is linked to Family Life Counseling and Psychological Services, LLC.
How long has Alexander Nicholas Marks been practicing?
Alexander Marks graduated from medical school in 2017, 9 years ago.
Selling to counselor practices?
See counselors 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