SYED HAIDER M.D.
NPI 1619383775
Internal Medicine in Washington, DC
About Syed Haider M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYED HAIDER M.D. (NPI 1619383775) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD045397) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Syed Haider 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
2Medicare enrollment records show Syed Haider reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 277 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 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 16
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Saint Mary's Hospital
Acute Care Hospitals · Leonardtown, MDCalverthealth Medical Center
Acute Care Hospitals · Prince Frederick, MDMedstar Southern Maryland Hospital Center
Acute Care Hospitals · Clinton, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 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.
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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Syed Haider's NPI number?
The NPI number for Syed Haider is 1619383775. It was assigned to this individual provider in the NPPES registry on July 9, 2014.
Where is Syed Haider located?
Syed Haider practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (855) 546-1686.
What is Syed Haider's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Syed Haider enrolled in Medicare?
Yes. Syed Haider 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 Syed Haider's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Syed Haider reassigns Medicare benefits to 2 organizations: Medstar Heart Institute LLC (Washington, DC) and Medstar Medical Group II LLC (Washington, DC). 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 Syed Haider's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Syed Haider affiliated with any hospitals?
According to CMS data, Syed Haider is affiliated with Medstar Saint Mary's Hospital, Calverthealth Medical Center and Medstar Southern Maryland Hospital Center.
When was this NPI record last updated?
The NPPES record for Syed Haider was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.