DR. ZAN NASEER MD
NPI 1184152878
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Baltimore, MD
About Dr. Zan Naseer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZAN NASEER MD (NPI 1184152878) is an individual orthopaedic surgery of the spine provider in Baltimore, Maryland, licensed in Maryland (D0098522) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Medstar Union Memorial Hospital, and is a graduate of New York Medical College (2017).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Zan Naseer 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.
Medicare Billing Reassignments
3Medicare enrollment records show Zan Naseer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 clinicians in this Medicare group
Baltimore, MD 21215
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1023808441 (District of Columbia)
- 101 clinicians in this Medicare group
Lutherville, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 3 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 14
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Union Memorial Hospital
Acute Care Hospitals · Baltimore, MDMedstar Good Samaritan Hospital
Acute Care Hospitals · Baltimore, MDOther Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21218
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 Zan Naseer's NPI number?
The NPI number for Zan Naseer is 1184152878. It was assigned to this individual provider in the NPPES registry on May 25, 2017.
Where is Zan Naseer located?
Zan Naseer practices at 3333 N Calvert St Ste 655, Baltimore, MD 21218. The listed phone number is (877) 346-7846.
What is Zan Naseer's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Zan Naseer enrolled in Medicare?
Yes. Zan Naseer 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 Zan Naseer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zan Naseer reassigns Medicare benefits to 3 organizations: Medstar Medical Group II LLC (Baltimore, MD), Synergy Medical Group LLC (Baltimore, MD) and Synergy Surgical Solutions LLC (Lutherville, MD). 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 Zan Naseer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Zan Naseer affiliated with any hospitals?
According to CMS data, Zan Naseer is affiliated with Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Zan Naseer was last updated on April 13, 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.