GRETCHEN LEAMAN BRANDT M.D.
NPI 1659465292
Internal Medicine - Nephrology in Washington, DC
About Gretchen Leaman Brandt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETCHEN LEAMAN BRANDT M.D. (NPI 1659465292) is an individual nephrology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD30840) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Pennsylvania State University College Of Medicine (1992).
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
Gretchen Leaman Brandt 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 Reassignment
Medicare enrollment records show Gretchen Brandt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20002
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1972275196 (Virginia)
- 2,492 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
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.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20002 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20002
WASHINGTON, DC 20002
WASHINGTON, DC 20002
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 Gretchen Brandt's NPI number?
The NPI number for Gretchen Brandt is 1659465292. It was assigned to this individual provider in the NPPES registry on October 3, 2006.
Where is Gretchen Brandt located?
Gretchen Brandt practices at 700 2nd St NE, Washington, DC 20002. The listed phone number is (202) 346-3000.
What is Gretchen Brandt's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Gretchen Brandt enrolled in Medicare?
Yes. Gretchen Brandt 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 organization bills Medicare for Gretchen Brandt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Brandt reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Washington, DC). The 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 Gretchen Brandt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gretchen Brandt affiliated with any hospitals?
According to CMS data, Gretchen Brandt is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Gretchen Brandt was last updated on November 22, 2021. 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.
# Gretchen Leaman Brandt, M.D. · NPI 1659465292
Nephrology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since October 3, 2006.
## Identity
- **NPI:** 1659465292 (Entity type: Individual)
- **Enumerated:** October 3, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD30840 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 700 2ND ST NE, Washington, DC 20002-8100
- **Phone:** (202) 346-3000
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1093016933, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 1992
## Record status
- **NPPES last updated:** November 22, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1659465292) · Data from the CMS NPPES public registry.