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DR. MARK R BARNETT M.D.
NPI 1376601781
Psychiatry & Neurology - Child & Adolescent Psychiatry in Miami Beach, FL

Active since December 05, 2006Opted out of Medicare · through Dec 30, 2027
333 W 41ST ST, SUITE 702, MIAMI BEACH, FL 33140(305) 538-9007(305) 538-9227 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark R Barnett M.d. NPPES

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

DR. MARK R BARNETT M.D. (NPI 1376601781) is an individual child & adolescent psychiatry provider in Miami Beach, Florida, licensed in Florida (ME72973) and active in the NPI registry since December 2006. He has opted out of Medicare through December 30, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1376601781
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. MARK R BARNETTCredential: M.D.
Location Address333 W 41ST ST, SUITE 702Miami Beach, FL 33140-3641
Mailing Address333 W 41st St, Suite 702Miami Beach, FL 33140-3641 · (305) 538-9007 · Fax (305) 538-9227
Phone(305) 538-9007
Fax(305) 538-9227
Sole ProprietorYes
Enumeration DateDecember 5, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1376601781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in FL · ME72973
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License ME72973 (FL)
333 W 41ST ST, Miami Beach, FL 33140
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mark R Barnett M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 30, 2019 through December 30, 2027.

Opt-Out Effective DateDecember 30, 2019
Opt-Out In Effect ThroughDecember 30, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 15

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

COGEN AND LUDWIG, P.A.
Internal Medicine (Gastroenterology)
333 W 41ST ST, SUITE 202
MIAMI BEACH, FL 33140
Miami-Dade County (305) 531-3408
NICOLE FREUND
Counselor (Mental Health)
333 W 41ST ST
MIAMI BEACH, FL 33140
Miami-Dade County (305) 672-8080
NEWPHASE CLINICAL TRIALS, INC
Case Manager/Care Coordinator
333 W 41ST ST, SUITE 410
MIAMI BEACH, FL 33140
Miami-Dade County (305) 858-4300
BEACH PSYCHIATRY, P.A.
Psychiatry & Neurology (Psychiatry)
333 W 41ST ST, STE 702
MIAMI BEACH, FL 33140
Miami-Dade County (309) 538-9007
DR. LISA M NUCHTERN M.D.
Radiology (Diagnostic Radiology)
333 W 41ST ST, SUITE 702
MIAMI BEACH, FL 33140
Miami-Dade County (305) 608-2179
MS. JANIS ROSZLER MS, RD, LDN, CDE
Dietitian, Registered
333 W 41ST ST, SUITE 208-210
MIAMI BEACH, FL 33140
Miami-Dade County (305) 772-1049
OCEAN DRIVE DENTAL, P.L.
Clinic/Center (Dental)
333 W 41ST ST, SUITE 402
MIAMI BEACH, FL 33140
Miami-Dade County (786) 517-5544
DR. NICHOLAS J SABO D.D.S.
Dentist (General Practice)
333 W 41ST ST, SUITE 402
MIAMI BEACH, FL 33140
Miami-Dade County (786) 517-5544

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 Barnett's NPI number?

The NPI number for Mark Barnett is 1376601781. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is Mark Barnett located?

Mark Barnett practices at 333 W 41st St Suite 702, Miami Beach, FL 33140. The listed phone number is (305) 538-9007.

What is Mark Barnett's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Mark Barnett enrolled in Medicare?

No. Mark Barnett has opted out of Medicare through December 30, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Mark Barnett accept?

Health plans from Oscar Health Maintenance Organization of Florida and UnitedHealthcare list Mark Barnett 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 Barnett was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.