DR. MARIA FERNANDA FLEMING DIAZ MD
NPI 1942919659
Internal Medicine - Endocrinology, Diabetes & Metabolism in Omaha, NE
About Dr. Maria Fernanda Fleming Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA FERNANDA FLEMING DIAZ MD (NPI 1942919659) is an individual endocrinology, diabetes & metabolism provider in Omaha, Nebraska, licensed in Nebraska (10518) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Maria Fernanda Fleming Diaz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 68124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OMAHA, NE 68124
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 Maria Fleming Diaz's NPI number?
The NPI number for Maria Fleming Diaz is 1942919659. It was assigned to this individual provider in the NPPES registry on November 21, 2022.
Where is Maria Fleming Diaz located?
Maria Fleming Diaz practices at 7710 Mercy Rd Ste 202, Omaha, NE 68124. The listed phone number is (402) 280-4792.
What is Maria Fleming Diaz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Maria Fleming Diaz enrolled in Medicare?
Yes. Maria Fleming Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Maria Fleming Diaz was last updated on August 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.
# Dr. Maria Fernanda Fleming Diaz, MD · NPI 1942919659
Endocrinology, Diabetes & Metabolism physician in Omaha, Nebraska. Individual provider, active in the CMS NPPES registry since November 21, 2022.
## Identity
- **NPI:** 1942919659 (Entity type: Individual)
- **Enumerated:** November 21, 2022
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 10518 (Nebraska)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7710 MERCY RD STE 202, Omaha, NE 68124-2353
- **Phone:** (402) 280-4792
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** August 8, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1942919659) · Data from the CMS NPPES public registry.