NADER HASAN TASHTOUSH M.D.
NPI 1689912552
Internal Medicine in Detroit, MI
About Nader Hasan Tashtoush M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NADER HASAN TASHTOUSH M.D. (NPI 1689912552) is an individual internal medicine provider in Detroit, Michigan, licensed in Michigan (4301103048) and active in the NPI registry since January 2013. He is enrolled in Medicare PECOS, is affiliated with Texas Health Presbyterian Hospital Dallas, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 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
Nader Hasan Tashtoush M.d. 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 Nader Tashtoush reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Tucson, AZ 85745
- Reassigned Medicare billing, Arizona enrollment
- 66 clinicians in this Medicare group
Tucson, AZ 85745
- Reassigned Medicare billing, Arizona enrollment
- 293 clinicians in this Medicare group
Henderson, NV 89052
- Reassigned Medicare billing, Nevada enrollment
- 46 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Texas Health Presbyterian Hospital Dallas
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48201 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.
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 Nader Tashtoush's NPI number?
The NPI number for Nader Tashtoush is 1689912552. It was assigned to this individual provider in the NPPES registry on January 28, 2013.
Where is Nader Tashtoush located?
Nader Tashtoush practices at 3990 John R St 5 Hudson, Room 5910, Detroit, MI 48201. The listed phone number is (313) 745-9649.
What is Nader Tashtoush's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nader Tashtoush enrolled in Medicare?
Yes. Nader Tashtoush 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 Nader Tashtoush's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nader Tashtoush reassigns Medicare benefits to 6 organizations: Cogent Healthcare Of Texas, PA (Dallas, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Sound Physicians Intensivists Of Arizona, Inc (Tucson, AZ), Tucson Physician Group Holdings, LLC (Tucson, AZ), Sound Intensivists Of Nevada Rbessler MD PLLC (Henderson, NV) 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 Nader Tashtoush's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nader Tashtoush accept?
Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Imperial Insurance Companies, Inc. and 3 other insurers list Nader Tashtoush 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.
Is Nader Tashtoush affiliated with any hospitals?
According to CMS data, Nader Tashtoush is affiliated with Texas Health Presbyterian Hospital Dallas.
When was this NPI record last updated?
The NPPES record for Nader Tashtoush was last updated on April 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.