Marissa J Defreitas, MD - Medicare Pediatric Medicine in Miami, FL

Marissa J Defreitas, MD is a medicare enrolled "Pediatrics - Pediatric Nephrology" physician in Miami, Florida. She went to University Of Chicago, Pritzker School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Pediatric Medicine. She is a member of the group practice University Of Miami and her current practice location is 1611 Nw 12th Ave, Miami, Florida. You can reach out to her office (for appointments etc.) via phone at (305) 585-6726.

Marissa J Defreitas is licensed to practice in Florida (license number ME123124) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1861635674.

Contact Information

Marissa J Defreitas, MD
1611 Nw 12th Ave,
Miami, FL 33136-1005
(305) 585-6726
Not Available

Map and Direction




Physician's Profile

Full NameMarissa J Defreitas
GenderFemale
SpecialityPediatric Medicine
Experience15 Years
Location1611 Nw 12th Ave, Miami, Florida
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Marissa J Defreitas attended and graduated from University Of Chicago, Pritzker School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1861635674
  • Provider Enumeration Date: 04/08/2009
  • Last Update Date: 02/08/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4486961091
  • Enrollment ID: I20150915001282

Medical Identifiers

Medical identifiers for Marissa J Defreitas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861635674NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics ME123124 (Florida)Secondary
2080P0210XPediatrics - Pediatric Nephrology ME123124 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Jackson Health SystemMiami, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Miami32747951091820

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Marissa J Defreitas allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Miami
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013967827
PECOS PAC ID: 3274795109
Enrollment ID: O20200406001006

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Marissa J Defreitas is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Marissa J Defreitas, MD
Po Box 16960, Division Of Pediatric Nephrology, (m-714),
Miami, FL 33101-6960

Ph: (954) 599-7200
Marissa J Defreitas, MD
1611 Nw 12th Ave,
Miami, FL 33136-1005

Ph: (305) 585-6726

Reviews and Comments


Pediatrics Doctors in Miami, FL

Dr. Juanita Ann Marie Hunter, M.D.
Pediatrics
Medicare: Accepting Medicare Assignments
Practice Location: 1611 Nw 12th Ave, Miami, FL 33136
Phone: 305-585-6042    
Keerthana Reddy Banala,
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 1611 Nw 12th Ave # 6006, Miami, FL 33136
Phone: 305-585-6017    Fax: 305-325-0293
Dan Kim Pham,
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 1611 Nw 12th Ave, Miami, FL 33136
Phone: 954-802-0739    
Dr. Maria Del Pilar Rivero, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 1611 Nw 12th Ave, Miami, FL 33136
Phone: 786-466-6908    Fax: 786-466-6920
Stephanie Dechurch, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 7800 Sw 87th Ave, C-350, Miami, FL 33173
Phone: 305-271-4711    Fax: 305-271-8732
Gloria E Burgos, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3601 Federal Hwy, Miami, FL 33137
Phone: 305-576-6611    Fax: 305-576-0008
Dr. Teresita Fox, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3100 Sw 62nd Ave, Miami, FL 33155
Phone: 561-624-9188    Fax: 561-514-7217

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.