DR. LEA MARGUERITE FISHER MD
NPI 1346879285
Internal Medicine in Washington, DC
About Dr. Lea Marguerite Fisher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEA MARGUERITE FISHER MD (NPI 1346879285) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210012053) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
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. Lea Marguerite Fisher 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 Reassignment
Medicare enrollment records show Lea Fisher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 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 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Lea Fisher's NPI number?
The NPI number for Lea Fisher is 1346879285. It was assigned to this individual provider in the NPPES registry on April 3, 2020.
Where is Lea Fisher located?
Lea Fisher practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (202) 877-4677.
What is Lea Fisher's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lea Fisher enrolled in Medicare?
Yes. Lea Fisher 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 Lea Fisher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lea Fisher reassigns Medicare benefits to Medstar Medical Group II LLC (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 Lea Fisher'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 Lea Fisher was last updated on July 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Lea Marguerite Fisher, MD · NPI 1346879285
Internal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 3, 2020.
## Identity
- **NPI:** 1346879285 (Entity type: Individual)
- **Enumerated:** April 3, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD210012053 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 IRVING ST NW, Washington, DC 20010-3017
- **Phone:** (202) 877-4677 · **Fax:** (202) 877-6292
## 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:** Medstar Medical Group II LLC (NPI 1023836137, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** July 25, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1346879285) · Data from the CMS NPPES public registry.