DR. LETITIA G. CARLSON MD
NPI 1528021789
Internal Medicine in Washington, DC
About Dr. Letitia G. Carlson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LETITIA G. CARLSON MD (NPI 1528021789) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD18721) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1987).
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. Letitia G. Carlson 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 Letitia Carlson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Washington, DC 20032
- Reassigned Medicare billing, District of Columbia enrollment
- 158 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 11
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 20037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
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 Letitia Carlson's NPI number?
The NPI number for Letitia Carlson is 1528021789. It was assigned to this individual provider in the NPPES registry on April 10, 2006.
Where is Letitia Carlson located?
Letitia Carlson practices at 2150 Pennsylvania Ave NW Dept. Of Medicine, Washington, DC 20037. The listed phone number is (202) 741-2222.
What is Letitia Carlson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Letitia Carlson enrolled in Medicare?
Yes. Letitia Carlson 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 Letitia Carlson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Letitia Carlson reassigns Medicare benefits to 2 organizations: Medical Faculty Associates, Inc (Washington, DC) and Foggy Bottom Physician Group Inc. (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 Letitia Carlson'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 Letitia Carlson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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. Letitia G. Carlson, MD · NPI 1528021789
Internal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 10, 2006.
## Identity
- **NPI:** 1528021789 (Entity type: Individual)
- **Enumerated:** April 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD18721 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 2150 PENNSYLVANIA AVE NW, DEPT. OF MEDICINE, Washington, DC 20037-3201
- **Phone:** (202) 741-2222
## 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): Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Foggy Bottom Physician Group Inc. (NPI 1831089846, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1987
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1528021789) · Data from the CMS NPPES public registry.