Physician Profile
Marissa J. Defreitas, M.D.
Unclaimed ProfileAbout Dr. Defreitas
Marissa J. Defreitas, M.D. practices pediatric medicine in Miami, FL. Marissa is a 2009 graduate of University of Chicago, Pritzker School of Medicine. Marissa is also listed as specializing in pediatrics and pediatric nephrology. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. The provider's National Provider Identifier (NPI) is 1861635674.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (305) 585-6726
- Email not available
Practice Locations
1611 NW 12TH AVE
Miami, FL 33136
Conditions Commonly Evaluated or Treated
Within Pediatrics generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Digestive and urinary
- Bedwetting
- UTI
- Viral gastroenteritis
Ear, nose, throat, and eye
Growth, development, and behavior
- Speech and language delay
Newborn and infant
- Diaper rash
- Poor weight gain and failure to thrive
Respiratory and infectious
- Croup
- Hand, foot, and mouth disease
- Mononucleosis
- Strep throat
Skin
Brain & nerves
- Childhood epilepsy
Digestive health
- Baby acid reflux
Digestive Health
- Constipation in Children
Infant Health
- Baby Colic
- Teething
Infections
- Flu in children
Injuries
Mental Health
- Childhood anxiety
- Childhood Depression
Respiratory
Skin Conditions
Procedures & services
Most searched procedures
- Allergy testing
- Pediatric vaccinations
- Sports physical
- Well-child visit
Immunization and screening
- Depression screening
- Newborn metabolic screening
Office testing
Checkups & Exams
- Camp Physical
- Daycare Physical
Developmental & Behavioral
- Childhood Development Screening
Diagnostic Tests
- Anemia Blood Test
- Childhood Vision Screening
- Heart Murmur Evaluation
- Lead Poisoning Screening
- Newborn Bilirubin Check
- Pediatric Blood Draw
Diagnostic tests
- Pediatric hearing test
Infant Health
- Head Shape Check
- Lactation and Breastfeeding Support
- Tongue-Tie Assessment
Lab tests & screenings
- Rapid COVID-19 test
- Rapid flu test
Minor procedures
- Medical ear piercing
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Minor laceration repair
- Superficial foreign-body removal
Preventive care
- Fluoride Varnish Application
Procedures & Minor Surgery
- Circumcision Care and Consultation
- Putting Elbow Back in Place
- Tick Removal
Respiratory
Urgent care & minor procedures
- Splinting for broken bones and sprains
- Stopping Severe Nosebleeds
Procedures Most Often Billed to Medicare
24 services · 16 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
24 | Less often than most peers in Pediatric Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pediatric medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pediatric medicines in Miami 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Marissa J. Defreitas?
Marissa J. Defreitas is a pediatric medicine in Miami, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marissa J. Defreitas's address?
Marissa J. Defreitas is listed at 1611 Nw 12Th Ave, Miami, FL 33136. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marissa J. Defreitas?
The number on file is (305) 585-6726. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marissa J. Defreitas's NPI number?
Marissa J. Defreitas's National Provider Identifier is 1861635674. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marissa J. Defreitas train?
Marissa J. Defreitas attended University of Chicago, Pritzker School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Marissa J. Defreitas been practicing?
Marissa J. Defreitas has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marissa J. Defreitas perform?
According to Medicare billing data, Marissa J. Defreitas the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marissa J. Defreitas confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa J. Defreitas. If this is you, claiming it is free.
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