DR. SARAH HUSSAIN KHAN MD
NPI 1669588265
Internal Medicine - Nephrology in Baltimore, MD
About Dr. Sarah Hussain Khan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH HUSSAIN KHAN MD (NPI 1669588265) is an individual nephrology provider in Baltimore, Maryland, licensed in Vermont (042-0010506) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Sarah Hussain Khan 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
2Medicare enrollment records show Sarah Khan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Physicians PA
- 614 clinicians in this Medicare group
Parkville, MD 21234
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 13 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 7
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.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUniversity Of MD Medical Center Midtown Campus
Acute Care Hospitals · Baltimore, MDUmd Rehabilitation & Orthopaedic Institute
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
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 Sarah Khan's NPI number?
The NPI number for Sarah Khan is 1669588265. It was assigned to this individual provider in the NPPES registry on August 23, 2006.
Where is Sarah Khan located?
Sarah Khan practices at 22 S Greene St Rm N3w143, Baltimore, MD 21201. The listed phone number is (410) 328-5720.
What is Sarah Khan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Sarah Khan enrolled in Medicare?
Yes. Sarah Khan 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 Sarah Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Khan reassigns Medicare benefits to 2 organizations: University Of Maryland Physicians P.A. (Baltimore, MD) and Alliance Specialty Partners LLC (Parkville, 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 Sarah Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sarah Khan affiliated with any hospitals?
According to CMS data, Sarah Khan is affiliated with University Of Maryland Medical Center, University Of MD Medical Center Midtown Campus and Umd Rehabilitation & Orthopaedic Institute.
When was this NPI record last updated?
The NPPES record for Sarah Khan was last updated on August 22, 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.
# Dr. Sarah Hussain Khan, MD · NPI 1669588265
Nephrology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 23, 2006.
## Identity
- **NPI:** 1669588265 (Entity type: Individual)
- **Enumerated:** August 23, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 042-0010506 (Vermont)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST RM N3W143, Baltimore, MD 21201
- **Phone:** (410) 328-5720
## 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): University Of Maryland Physicians P.A. (NPI 1699725408, Baltimore, MD); Alliance Specialty Partners LLC (NPI 1619830155, Parkville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** August 22, 2018
- **Other identifiers:** Medicaid 1009435 (VT); Medicaid 02362921 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1669588265) · Data from the CMS NPPES public registry.