Elisa Walsh, MD
NPI 1639608540 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elisa Walsh, MD is a Anesthesiology Physician provider in Boston, MA (NPI 1639608540).
Provider details
- NPI number
- 1639608540
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 286077 (MA)
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
297 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 184 | $220 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 38 | $124 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 26 | $45 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 19 | $136 |
| Anesthesia for Other Closed Procedure on Chest00520 | 18 | $290 |
| Anesthesia for Procedure on Chest With 1 Lung Inflated00541 | 12 | $624 |
Practice location
Mailing address
Additional practice locations (1)
- 75 Francis StBoston, MA 02115-6106Phone: (617) 732-8210
Registry dates
- Enumerated
- 2017-06-06
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is Elisa Walsh's NPI number?
- Elisa Walsh's National Provider Identifier (NPI) is 1639608540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elisa Walsh's specialty?
- Elisa Walsh is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Elisa Walsh located?
- Elisa Walsh's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.
- What is Elisa Walsh's phone number?
- The practice phone number listed in the NPPES registry for Elisa Walsh is (617) 726-2000.
- Does Elisa Walsh accept Medicare?
- Elisa Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elisa Walsh's NPI active?
- Yes — Elisa Walsh's NPI (1639608540) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.