Alexander Nicholas Marks
Counselor · Saint Louis, MO
Alexander Nicholas Marks is a counselor with a practice address in Saint Louis, Missouri, and NPI 1144748914, issued on Aug 31, 2017. Check the license with the Missouri board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alexander Nicholas Marks
- Primary taxonomy
- Counselor 101Y00000X
- Practice location
- 2190 S Mason RD Ste 311, Saint Louis, MO 63131
- Phone
- (636) 300-9333
- Enumerated
- Aug 31, 2017
- Record last updated
- Nov 6, 2025
- Entity
- Type 1 · individual
8 nearest counselor records → All 1,069 in Missouri → Look up another NPI →
Verify Alexander Nicholas Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alexander Nicholas Marks among 1,069 counselor records in Missouri
Alexander Nicholas Marks is one of 1,069 counselor records with a practice address in Missouri. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 48% of them.
- NPI issued2017 · 48% of these records are older, 47% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counselor providers in Missouri
There are 1,069 counselor records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,069 in Missouri → Every provider in Saint Louis → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Karly Bellich, LCPCDes Peres, MO 631311497104012
- Emma Carter, PLPCSaint Louis, MO 631311770421190
- Marty Dauer, L.P.C.Saint Louis, MO 631311033409941
- Darcy GreenbergFrontenac, MO 631311912717919
- Anna Rodriguez, MA, PLPCSaint Louis, MO 631311811675275
- David StairSaint Louis, MO 631311497040505
- Alexander StameySaint Louis, MO 631311578244190
- James Wallace, MA, THM, STMSaint Louis, MO 631311841088549
Common questions
What is Alexander Nicholas Marks's NPI number?
Alexander Nicholas Marks's National Provider Identifier (NPI) is 1144748914, issued on Aug 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Nicholas Marks located?
The NPPES record lists a practice address at 2190 S Mason RD Ste 311, Saint Louis, MO, 63131. Phone: (636) 300-9333. Providers update this record themselves, so call before visiting.
How can I verify Alexander Nicholas Marks's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.