LEON R SHAW MD
NPI 1841235009
Anesthesiology in Washington, DC
About Leon R Shaw Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEON R SHAW MD (NPI 1841235009) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in Maryland (D0065441) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Annapolis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leon R Shaw Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
11Medicare enrollment records show Leon Shaw reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 455 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 634 clinicians in this Medicare group
Alexandria, VA 22310
- Reassigned Medicare billing, District of Columbia enrollment
- 74 clinicians in this Medicare group
Reston, VA 20190
- Reassigned Medicare billing, District of Columbia enrollment
- 125 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 8 clinicians in this Medicare group
Dulles, VA 20166
- Reassigned Medicare billing, Virginia enrollment
- 85 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 196 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, District of Columbia enrollment
- 38 clinicians in this Medicare group
Midlothian, VA 23113
- Reassigned Medicare billing, Virginia enrollment
- 54 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 3
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 20017
WASHINGTON, DC 20017
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 Leon Shaw's NPI number?
The NPI number for Leon Shaw is 1841235009. It was assigned to this individual provider in the NPPES registry on June 19, 2006.
Where is Leon Shaw located?
Leon Shaw practices at 1150 Varnum St NE, Washington, DC 20017. The listed phone number is (202) 448-4041.
What is Leon Shaw's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Leon Shaw enrolled in Medicare?
Yes. Leon Shaw is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leon Shaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leon Shaw reassigns Medicare benefits to 11 organizations: American Anesthesiology Of Virginia PC (Falls Church, VA), Northstar Anesthesia Of Virginia, LLC (Alexandria, VA), Ambulatory Anesthesia Associates LLC (Alexandria, VA), Reston Anesthesia Associates, PC (Reston, VA), Anesthesia Company, LLC (Annapolis, MD) and 6 more organizations, listed in the Medicare section above. 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 Leon Shaw'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 Leon Shaw was last updated on January 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Leon R Shaw, MD · NPI 1841235009
Anesthesiology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since June 19, 2006.
## Identity
- **NPI:** 1841235009 (Entity type: Individual)
- **Enumerated:** June 19, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0065441 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1150 VARNUM ST NE, Washington, DC 20017-2104
- **Phone:** (202) 448-4041 · **Fax:** (202) 269-7825
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Virginia PC (NPI 1417994872, Falls Church, VA); Northstar Anesthesia Of Virginia, LLC (NPI 1194488791, Alexandria, VA); Ambulatory Anesthesia Associates LLC (NPI 1720192230, Alexandria, VA); Reston Anesthesia Associates, PC (NPI 1932210093, Reston, VA); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); and 6 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 22, 2024
- **Other identifiers:** Other 289021 (VA); Other P00019895 (VA); Other 1809123-000 (VA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1841235009) · Data from the CMS NPPES public registry.