MARSHALL LAWLER M.D.
NPI 1629509245
Anesthesiology in Washington, DC
About Marshall Lawler M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARSHALL LAWLER M.D. (NPI 1629509245) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210003096) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and maintains a secondary practice location in Bellevue.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Marshall Lawler 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
4Medicare enrollment records show Marshall Lawler reassigns Medicare billing to 4 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 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 482 clinicians in this Medicare group
Germantown, MD 20876
- Reassigned Medicare billing, District of Columbia enrollment
- 68 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDLuminis Health Doctors Community Medical Ctr, Inc
Acute Care Hospitals · Lanham, MDOther 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
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 Marshall Lawler's NPI number?
The NPI number for Marshall Lawler is 1629509245. It was assigned to this individual provider in the NPPES registry on March 24, 2017.
Where is Marshall Lawler located?
Marshall Lawler practices at 900 23rd St NW, Washington, DC 20037. The listed phone number is (202) 715-4750.
What is Marshall Lawler's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Marshall Lawler enrolled in Medicare?
Yes. Marshall Lawler 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 Marshall Lawler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Lawler reassigns Medicare benefits to 4 organizations: Medical Faculty Associates, Inc (Washington, DC), Medstar Medical Group Anesthesiology LLC (Washington, DC), Capitol Anesthesia Associates, Ltd (Germantown, MD) and Anesthesia Company, LLC (Annapolis, MD). 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 Marshall Lawler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marshall Lawler affiliated with any hospitals?
According to CMS data, Marshall Lawler is affiliated with Luminis Health Anne Arundel Medical Center, Inc and Luminis Health Doctors Community Medical Ctr, Inc.
When was this NPI record last updated?
The NPPES record for Marshall Lawler was last updated on July 9, 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.