DR. ALEXANDER HELMUT KURT KROEMER M.D.
NPI 1700220340
Transplant Surgery in Washington, DC
About Dr. Alexander Helmut Kurt Kroemer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER HELMUT KURT KROEMER M.D. (NPI 1700220340) is an individual transplant surgery provider in Washington, District Of Columbia, licensed in District Of Columbia (MD043313) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2005).
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. Alexander Helmut Kurt Kroemer 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 Alexander Kroemer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 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 2
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.
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 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Alexander Kroemer's NPI number?
The NPI number for Alexander Kroemer is 1700220340. It was assigned to this individual provider in the NPPES registry on April 25, 2013.
Where is Alexander Kroemer located?
Alexander Kroemer practices at 3800 Reservoir Rd NW Medstar Georgetown Transplant Institute, Washington, DC 20007. The listed phone number is (202) 444-3700.
What is Alexander Kroemer's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Alexander Kroemer enrolled in Medicare?
Yes. Alexander Kroemer 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 Alexander Kroemer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kroemer reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc 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 Alexander Kroemer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexander Kroemer was last updated on August 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Alexander Helmut Kurt Kroemer, M.D. · NPI 1700220340
Transplant Surgery physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 25, 2013.
## Identity
- **NPI:** 1700220340 (Entity type: Individual)
- **Enumerated:** April 25, 2013
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** MD043313 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3800 RESERVOIR RD NW, MEDSTAR GEORGETOWN TRANSPLANT INSTITUTE, Washington, DC 20007-2113
- **Phone:** (202) 444-3700 · **Fax:** (877) 680-8193
## 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): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** August 23, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1700220340) · Data from the CMS NPPES public registry.