MARK EDWIN ST. JOHN LCSW, CAP
NPI 1821487315
Social Worker - Clinical in Boynton Beach, FL
About Mark Edwin St. John Lcsw, Cap NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK EDWIN ST. JOHN LCSW, CAP (NPI 1821487315) is an individual clinical provider in Boynton Beach, Florida, licensed in Florida (SW12046) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Edwin St. John Lcsw, Cap is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark St. John reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palm Beach Gardens, FL 33410
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33435 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOYNTON BEACH, FL 33435
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 St. John's NPI number?
The NPI number for Mark St. John is 1821487315. It was assigned to this individual provider in the NPPES registry on January 21, 2015.
Where is Mark St. John located?
Mark St. John practices at 3652 S Seacrest Blvd, Boynton Beach, FL 33435. The listed phone number is (561) 336-3220.
What is Mark St. John's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mark St. John enrolled in Medicare?
Yes. Mark St. John is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark St. John's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark St. John reassigns Medicare benefits to Healing Alternatives Psychotherapy, LLC (Palm Beach Gardens, FL). 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 St. John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark St. John accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Mark St. John 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 St. John was last updated on January 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Mark Edwin St. John, LCSW, CAP · NPI 1821487315
Clinical provider in Boynton Beach, Florida. Individual provider, active in the CMS NPPES registry since January 21, 2015.
## Identity
- **NPI:** 1821487315 (Entity type: Individual)
- **Enumerated:** January 21, 2015
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** SW12046 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3652 S SEACREST BLVD, Boynton Beach, FL 33435-8662
- **Phone:** (561) 336-3220
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Healing Alternatives Psychotherapy, LLC (NPI 1396384160, Palm Beach Gardens, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** January 21, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1821487315) · Data from the CMS NPPES public registry.