Marshall Lawler, M.D.
NPI 1629509245 · Anesthesiology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Lawler, M.D. is a Anesthesiology Physician provider in Washington, DC (NPI 1629509245).
Provider details
- NPI number
- 1629509245
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD210003096 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
129 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 63 | $84 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 21 | $102 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $139 |
| Anesthesia for Lens Surgery00142 | 14 | $92 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 12 | $137 |
Typical Medicare-allowed amounts for these services range $84–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1035 116th Ave NeBellevue, WA 98004-4604Phone: (425) 688-5000
Registry dates
- Enumerated
- 2017-03-24
- Last updated
- 2024-07-09
- Certified
- 2024-07-09
Frequently asked questions
- What is Marshall Lawler's NPI number?
- Marshall Lawler's National Provider Identifier (NPI) is 1629509245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Lawler's specialty?
- Marshall Lawler is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Lawler located?
- Marshall Lawler's practice location on file with NPPES is 900 23rd St Nw, Washington, DC 20037-2342.
- What is Marshall Lawler's phone number?
- The practice phone number listed in the NPPES registry for Marshall Lawler is (202) 715-4750.
- Does Marshall Lawler accept Medicare?
- Marshall Lawler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Lawler's NPI active?
- Yes — Marshall Lawler's NPI (1629509245) is active in the NPPES registry as of the last update on 2024-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.