SAMIR EZZELDIN WITTA MD PHD
NPI 1013991678
Internal Medicine - Hematology & Oncology in Englewood, CO
About Samir Ezzeldin Witta Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMIR EZZELDIN WITTA MD PHD (NPI 1013991678) is an individual hematology & oncology provider in Englewood, Colorado, licensed in Colorado (DR.0039762) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Samir Ezzeldin Witta Md Phd 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.
Medicare Billing Reassignments
6Medicare enrollment records show Samir Witta reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Englewood, CO 80113
- Reassigned Medicare billing, Colorado enrollment
Denver, CO 80246
- Reassigned Medicare billing, Colorado enrollment
- 1,270 clinicians in this Medicare group
Denver, CO 80206
- Reassigned Medicare billing, Colorado enrollment
- 13 clinicians in this Medicare group
Denver, CO 80218
- Reassigned Medicare billing, Colorado enrollment
- 165 clinicians in this Medicare group
Scottsbluff, NE 69361
- Reassigned Medicare billing, Nebraska enrollment
- Medicare enrollment name: Regional West Physicians Clinic
- 208 clinicians in this Medicare group
Espanola, NM 87532
- Reassigned Medicare billing, New Mexico enrollment
- 2,331 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80113 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ENGLEWOOD, CO 80113
ENGLEWOOD, CO 80113
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 Samir Witta's NPI number?
The NPI number for Samir Witta is 1013991678. It was assigned to this individual provider in the NPPES registry on December 6, 2005.
Where is Samir Witta located?
Samir Witta practices at 3501 S Corona St Ste 1, Englewood, CO 80113. The listed phone number is (303) 999-6745.
What is Samir Witta's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Samir Witta enrolled in Medicare?
Yes. Samir Witta 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.
Which organizations bill Medicare for Samir Witta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samir Witta reassigns Medicare benefits to 6 organizations: Mountain Blue Cancer Care Center PC (Englewood, CO), Intermountain Medical Group Denver, LLC (Denver, CO), Veros Clinical Services LLC (Denver, CO), Platte Valley Medical Group, LLC (Denver, CO), Panhandle Health Service (Scottsbluff, NE) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samir Witta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samir Witta accept?
Health plans from Blue Cross and Blue Shield of Nebraska, Select Health and UnitedHealthcare list Samir Witta as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Samir Witta was last updated on January 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.