Mark Clayton
Professional Counselor · Chicago, IL
Mark Clayton is a professional counselor with a practice address in Chicago, Illinois, and NPI 1780120196, issued on Jan 9, 2017. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Clayton
- Primary taxonomy
- Professional Counselor 101YP2500X
- License number
- 6835 LA
Self-reported in NPPES; status is on the state search - Practice location
- 9948 S Parnell Ave, Chicago, IL 60628
- Phone
- (310) 968-2068
- Enumerated
- Jan 9, 2017
- Record last updated
- Jun 24, 2023
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 9,508 in Illinois → Look up another NPI →
Verify Mark Clayton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois 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
Mark Clayton among 9,508 professional counselor records in Illinois
Mark Clayton is one of 9,508 professional counselor records with a practice address in Illinois. 10% 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, 48% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,405 professional counselor records list a practice address in Chicago
They are 2,405 of the 63,379 NPPES records with a practice address in Chicago, and 9,508 professional counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,508 in Illinois → Every provider in Chicago → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Jamilah Bowden, LPCChicago, IL 606281558872861
- Kaneesha CraigChicago, IL 606281538319579
- Cornelius Draper, PHDChicago, IL 606281316099583
- Sharonda Giles, LCPCChicago, IL 606281225563943
- Jovita Hubbard, MA, LCPCChicago, IL 606281003223777
- Cyndie PenroseChicago, IL 606281801249875
- Tenisha Ridgeway, LCPCChicago, IL 606281427558261
- Qiana ThompsonChicago, IL 606281992112239
Common questions
What is Mark Clayton's NPI number?
Mark Clayton's National Provider Identifier (NPI) is 1780120196, issued on Jan 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mark Clayton located?
The NPPES record lists a practice address at 9948 S Parnell Ave, Chicago, IL, 60628. Phone: (310) 968-2068. Providers update this record themselves, so call before visiting.
How can I verify Mark Clayton's license?
Search the Illinois 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.