Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mariana Rivera Bigham, MD

Individual provider Internal Medicine Physician · NPI 1447719547

Dr. Mariana Rivera Bigham, MD is an Internal Medicine in Kissimmee, Florida. Graduated from Mercer University School of Medicine in 2019, 7 years ago. Practices with Orlando Physicians Network Inc, a 231-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida and Wisconsin.

Years since qualifying
7
Trained at
Mercer University School of Medicine
Licensed in
FL, WI
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1300 Kevstin Dr
Kissimmee, FL 34744-5843
Phone: (321) 442-1214
Fax: (321) 442-1215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1211 Fish Hatchery Rd, Madison, WI 53715-1909 — (608) 252-8000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 77311-20 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME174684 (FL)

Record details

NPI number1447719547
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2019
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025
Mailing address1300 Kevstin Dr, Kissimmee, FL 34744-5843

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMERCER UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Orlando Physicians Network Inc — 231 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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