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DR. MARSHALL JOHNSON D.O.
NPI 1699476424
Psychiatry & Neurology - Psychiatry in Orange Park, FL

Active since March 17, 2023PECOS EnrolledAccepts Medicare Assignment
2001 KINGSLEY AVE, ORANGE PARK, FL 32073(904) 639-8500 Get Directions Write a Review

NPPES record last updated: July 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 4, 2025, Mar 17, 2023 (2 updates tracked since 2023).

About Dr. Marshall Johnson D.o. NPPES

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

DR. MARSHALL JOHNSON D.O. (NPI 1699476424) is an individual psychiatry provider in Orange Park, Florida, licensed in Florida (22218) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1699476424
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARSHALL JOHNSONCredential: D.O.
Location Address2001 KINGSLEY AVEOrange Park, FL 32073-5148
Mailing Address240 S Crystal DrSanford, FL 32773-4816 · (407) 968-6958
Phone(904) 639-8500
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 17, 2023
Last NPPES UpdateJuly 4, 20252 updates tracked since enumeration
NPPES CertifiedJuly 4, 2025
✔ NPI 1699476424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in FL · 22218
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2001 KINGSLEY AVE, Orange Park, FL 32073
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Ambetter of Alabama.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

Dr. Marshall Johnson D.o. 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.

PECOS PAC ID4981185899
PECOS Enrollment IDI20260227001303
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 Marshall Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wekiva Springs Center LLC
11 mi
Psychiatric Hospital
3947 SALISBURY RD
Jacksonville, FL 32216
  • Reassigned Medicare billing, Florida enrollment
  • 29 clinicians in this Medicare group
NPI 1942471065 (904) 296-3533

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32073 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$171.84 typical visit price
range $56.00 – $171.84
Typical copayment $42.96 (range $14.00 – $42.96)
Most-billed visit code 99205
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. FORREST KING M.D.
Emergency Medicine
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-8500
DIANA LYNN BRIDGES ARNP
Nurse Practitioner (Family)
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-8500
CHRISTY GIEGER PA-C
Physician Assistant (Surgical)
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 314-7733
DR. BENJAMIN ROBERT COOPER DO
Student in an Organized Health Care Education/Training Program
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-8500
CHIRAAG ASHOKKUMAR MD
Student in an Organized Health Care Education/Training Program
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-2005
KUNAL PATEL DO
Student in an Organized Health Care Education/Training Program
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-2005
KENITH DSOUZA
Student in an Organized Health Care Education/Training Program
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-2003
DR. ZSA ZSA CHANTAL WHYCE DO
Emergency Medicine
2001 KINGSLEY AVE
ORANGE PARK, FL 32073
Clay County (904) 639-2003

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 Marshall Johnson's NPI number?

The NPI number for Marshall Johnson is 1699476424. It was assigned to this individual provider in the NPPES registry on March 17, 2023.

Where is Marshall Johnson located?

Marshall Johnson practices at 2001 Kingsley Ave, Orange Park, FL 32073. The listed phone number is (904) 639-8500.

What is Marshall Johnson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Marshall Johnson enrolled in Medicare?

Yes. Marshall Johnson 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 Marshall Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Johnson reassigns Medicare benefits to Wekiva Springs Center LLC (Jacksonville, 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 Marshall Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marshall Johnson accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan and Ambetter of Alabama list Marshall Johnson 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 Marshall Johnson was last updated on July 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.