AZIZ AHMAD
NPI 1649300039
Hospitalist in New York, NY
About Aziz Ahmad NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AZIZ AHMAD (NPI 1649300039) is an individual hospitalist provider in New York, New York, licensed in New York (215482) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Aziz Ahmad 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 Aziz Ahmad reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 612 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 3
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.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10034 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.
NEW YORK, NY 10034
NEW YORK, NY 10034
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 Aziz Ahmad's NPI number?
The NPI number for Aziz Ahmad is 1649300039. It was assigned to this individual provider in the NPPES registry on March 6, 2007.
Where is Aziz Ahmad located?
Aziz Ahmad practices at 5141 Broadway, New York, NY 10034. The listed phone number is (212) 305-5138.
What is Aziz Ahmad's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Aziz Ahmad enrolled in Medicare?
Yes. Aziz Ahmad 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 Aziz Ahmad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aziz Ahmad reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Trustees Of Columbia University In The City Of New York (New York, NY). 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 Aziz Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aziz Ahmad affiliated with any hospitals?
According to CMS data, Aziz Ahmad is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Aziz Ahmad 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.
# Aziz Ahmad · NPI 1649300039
Hospitalist physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 6, 2007.
## Identity
- **NPI:** 1649300039 (Entity type: Individual)
- **Enumerated:** March 6, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 215482 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 5141 BROADWAY, New York, NY 10034-1159
- **Phone:** (212) 305-5138 · **Fax:** (212) 305-2843
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Trustees Of Columbia University In The City Of New York (NPI 1508266347, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1437176047, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 02301480 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1649300039) · Data from the CMS NPPES public registry.