DR. SHAISTA UROOJ AHMED M.D
NPI 1134666019
Internal Medicine - Geriatric Medicine in Baltimore, MD
About Dr. Shaista Urooj Ahmed M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHAISTA UROOJ AHMED M.D (NPI 1134666019) is an individual geriatric medicine provider in Baltimore, Maryland, licensed in Maryland (D85075) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Bayview Medical Center, and maintains a secondary practice location in Abu Dhabi.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 (PECOS)
Dr. Shaista Urooj Ahmed M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Shaista Ahmed reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 338 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21224 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 2
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 Shaista Ahmed's NPI number?
The NPI number for Shaista Ahmed is 1134666019. It was assigned to this individual provider in the NPPES registry on January 30, 2017. The provider is also known as Shaista Mahmood M.D.
Where is Shaista Ahmed located?
Shaista Ahmed practices at 5200 Eastern Ave Ste 2200, Baltimore, MD 21224. The listed phone number is (410) 550-0925.
What is Shaista Ahmed's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Shaista Ahmed enrolled in Medicare?
Yes. Shaista Ahmed is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shaista Ahmed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shaista Ahmed reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, 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 Shaista Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Shaista Ahmed affiliated with any hospitals?
According to CMS data, Shaista Ahmed is affiliated with Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Shaista Ahmed was last updated on August 25, 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.