Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Maria Fernanda Fleming Diaz, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1942919659

Dr. Maria Fernanda Fleming Diaz, MD is an Internal Medicine in Omaha, Nebraska. Qualified in 2013, 13 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in Nebraska and New York.

Years since qualifying
13
Licensed in
NE, NY
In the registry since
2022
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

7710 Mercy Rd Ste 202
Omaha, NE 68124-2353
Phone: (402) 280-4792
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 260 E 188th St, Bronx, NY 10458-5302 — (718) 220-2020

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 10518 (NE)
Internal Medicine Physician Taxonomy 207R00000X · Licence 341582 (NY)

Record details

NPI number1942919659
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 21, 2022
Last updated in NPPESAugust 8, 2026
Certification dateAugust 8, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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