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ELISA CLAIRE WALSH MD
NPI 1639608540
Anesthesiology in Boston, MA

Active since June 06, 2017PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 3, 2021, Jun 6, 2017 (2 updates tracked since 2017).

About Elisa Claire Walsh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELISA CLAIRE WALSH MD (NPI 1639608540) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (286077) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1639608540
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameELISA CLAIRE WALSHCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address75 Francis StBoston, MA 02115-6110 · (617) 732-5500
Phone(617) 726-2000
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2017
Enumeration DateJune 6, 2017
Last NPPES UpdateJuly 31, 20252 updates tracked since enumeration
NPPES CertifiedJuly 31, 2025
✔ NPI 1639608540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 286077
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
55 FRUIT ST, Boston, MA 02114
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Secondary Practice Location 1

Location 175 Francis StBoston, MA 02115-6106 · Phone (617) 732-8210

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elisa Claire Walsh 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.

PECOS PAC ID5294073425
PECOS Enrollment IDI20211018001791
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
184 services80 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
38 services18 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
26 services24 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
19 services19 patients
Anesthesia for other closed procedure on chest 00520
Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.
18 services17 patients
Anesthesia for procedure on chest with 1 lung inflated 00541
This procedure involves using anesthesia to ensure you feel no pain during a chest procedure where only one lung is inflated. It's a specialized technique that allows doctors to operate on one lung while the other continues to provide oxygen.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Elisa Walsh's NPI number?

The NPI number for Elisa Walsh is 1639608540. It was assigned to this individual provider in the NPPES registry on June 6, 2017.

Where is Elisa Walsh located?

Elisa Walsh practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.

What is Elisa Walsh's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Elisa Walsh enrolled in Medicare?

Yes. Elisa Walsh 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.

Is Elisa Walsh affiliated with any hospitals?

According to CMS data, Elisa Walsh is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Elisa Walsh was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.