DR. SONIA KAPOOR M.D.
NPI 1447423116
Anesthesiology in Boston, MA

Active since April 02, 2008PECOS EnrolledAccepts Medicare Assignment
125 PARKER HILL AVE, BOSTON, MA 02120(339) 204-9516(617) 754-8791 Get Directions Write a Review

NPPES record last updated: January 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Sonia Kapoor M.d. NPPES

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

DR. SONIA KAPOOR M.D. (NPI 1447423116) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (239703) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1447423116
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. SONIA KAPOORCredential: M.D.
Location Address125 PARKER HILL AVEBoston, MA 02120-2847
Mailing Address144 Gould St Ste 150Needham, MA 02494-2309 · (339) 204-9516 · Fax (617) 754-8791
Fax(617) 754-8791
Sole ProprietorYes
Medical School CMSOtherGraduated 2001
Enumeration DateApril 2, 2008
Last NPPES UpdateJanuary 18, 2023
NPPES CertifiedJanuary 18, 2023
✔ NPI 1447423116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 239703
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.
125 PARKER HILL AVE, Boston, MA 02120

Accepted Insurance

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

Dr. Sonia Kapoor 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.

PECOS PAC ID4486790425
PECOS Enrollment IDI20091006000333
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Sonia Kapoor reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1245773308 (Massachusetts)
  • 1,006 clinicians in this Medicare group
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
Anesthesiology
295 VARNUM AVE
Lowell, MA 01854
  • Reassigned Medicare billing, Massachusetts enrollment
  • 123 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 8

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.

Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
66 services66 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
44 services44 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
43 services43 patients
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415
This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.
29 services29 patients
Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
26 services25 patients
Anesthesia for open or endoscopic total shoulder joint replacement 01638
Anesthesia for total shoulder joint replacement, either open or endoscopic, involves using medications to block pain during surgery. It can be general (you're asleep) or regional (only the area being operated on is numbed). This ensures comfort and stillness, facilitating a successful procedure.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

New England Baptist Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220088
Location125 Parker Hill AvenueBoston, MA 02120 · Suffolk County

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.

Internal Medicine
125 PARKER HILL AVE, SUITE #450
ROXBURY CROSSING, MA 02120
Internal Medicine (Cardiovascular Disease)
125 PARKER HILL AVE, STE 500
ROXBURY CROSSING, MA 02120
Physical Therapist
125 PARKER HILL AVE
ROXBURY CROSSING, MA 02120
Physical Therapist
125 PARKER HILL AVE, CONVERSE 6 PT GYM
ROXBURY CROSSING, MA 02120
Nurse Anesthetist, Certified Registered
125 PARKER HILL AVE
BOSTON, MA 02120
Neurological Surgery
125 PARKER HILL AVE, CONVERSE 5
ROXBURY CROSSING, MA 02120
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
125 PARKER HILL AVE, CONVERSE 4
BOSTON, MA 02120
Internal Medicine (Cardiovascular Disease)
125 PARKER HILL AVE, FOGG 430
ROXBURY CROSSING, MA 02120

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 Sonia Kapoor's NPI number?

The NPI number for Sonia Kapoor is 1447423116. It was assigned to this individual provider in the NPPES registry on April 2, 2008.

Where is Sonia Kapoor located?

Sonia Kapoor practices at 125 Parker Hill Ave, Boston, MA 02120. The listed phone number is (339) 204-9516.

What is Sonia Kapoor's specialty?

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

Is Sonia Kapoor enrolled in Medicare?

Yes. Sonia Kapoor 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 Sonia Kapoor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Kapoor reassigns Medicare benefits to 3 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Lowell Anesthesiology Service, Inc. (Lowell, MA). 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 Sonia Kapoor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sonia Kapoor accept?

Health plans from Taro Health list Sonia Kapoor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sonia Kapoor affiliated with any hospitals?

According to CMS data, Sonia Kapoor is affiliated with Mount Auburn Hospital and New England Baptist Hospital.

When was this NPI record last updated?

The NPPES record for Sonia Kapoor was last updated on January 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.