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DR. MARK J JOHNS PSYD, CADC
NPI 1437120680
Counselor - Professional in Park Ridge, IL

Active since January 27, 2006PECOS Enrolled
350 S NORTHWEST HWY STE 300, PARK RIDGE, IL 60068(773) 502-8252 Get Directions Write a Review

NPPES record last updated: July 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 10, 2024, Jul 3, 2024, Sep 19, 2022 (3 updates tracked since 2022).

About Dr. Mark J Johns Psyd, Cadc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK J JOHNS PSYD, CADC (NPI 1437120680) is an individual professional provider in Park Ridge, Illinois, licensed in Illinois (180.001399) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1437120680
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameDR. MARK J JOHNSCredential: PSYD, CADC
Location Address350 S NORTHWEST HWY STE 300Park Ridge, IL 60068-4262
Mailing Address350 S Northwest Hwy Ste 300Park Ridge, IL 60068-4262 · (773) 502-8252
Phone(773) 502-8252
Sole ProprietorNo
Enumeration DateJanuary 27, 2006
Last NPPES UpdateJuly 10, 20243 updates tracked since enumeration
NPPES CertifiedJuly 10, 2024
✔ NPI 1437120680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in IL · 180.001399
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 1683 (IL)
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 180.001399 (IL)
350 S NORTHWEST HWY STE 300, Park Ridge, IL 60068
Open in Google Maps ↗

Secondary Practice Location 1

Location 13948 N Sheridan RdChicago, IL 60613-2935 · Phone (773) 502-8252 · Fax (773) 564-4175

Other Identifiers 1

Medicaid180.001399IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark J Johns Psyd, Cadc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Johns reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Howard Brown Health Center
7.8 mi
Federally Qualified Health Center (FQHC)
6500 N CLARK ST
Chicago, IL 60626
  • Reassigned Medicare billing, Illinois enrollment
  • 143 clinicians in this Medicare group
NPI 1912382227 (773) 388-1600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FEELWELL HOME HEALTHCARE & STAFFING LLC
Home Health
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (847) 232-0330
SPECIALIZED AUDIOLOGY SERVICES PC
Audiologist
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (773) 543-8121
RISE ABOVE ABA OF ILLINOIS LLC.
Behavior Analyst
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (833) 747-3222
DR. MONICA M ARGUMEDO M.D.
Psychiatry & Neurology (Forensic Psychiatry)
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (847) 656-5349
APEX WEIGHT SOLUTIONS LLC
Internal Medicine (Obesity Medicine)
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (708) 797-3541
ANXIETY WELLNESS CENTER OF CHICAGOLAND
Psychologist
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (177) 323-4806
INTEGRATED PSYCHOTHERAPY CENTER, LLC
Counselor (Professional)
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (773) 502-8252
BURGO & ASSOCIATES, PLLC
Psychologist
350 S NORTHWEST HWY STE 300
PARK RIDGE, IL 60068
Cook County (773) 219-0836

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Johns's NPI number?

The NPI number for Mark Johns is 1437120680. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Mark Johns located?

Mark Johns practices at 350 S Northwest Hwy Ste 300, Park Ridge, IL 60068. The listed phone number is (773) 502-8252.

What is Mark Johns's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Mark Johns enrolled in Medicare?

Yes. Mark Johns is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Johns's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Johns reassigns Medicare benefits to Howard Brown Health Center (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Johns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Johns accept?

Health plans from Oscar Health list Mark Johns as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Johns was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.