Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SHAMSAH B SONAWALLA M.D.
NPI 1275570855
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since June 01, 2006PECOS EnrolledAccepts Medicare Assignment
15 PARKMAN ST, MASS. GENERAL HOSPITAL WAC 812, BOSTON, MA 02114(617) 724-0279 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Shamsah B Sonawalla M.d. NPPES

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

SHAMSAH B SONAWALLA M.D. (NPI 1275570855) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (205839) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1275570855
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameSHAMSAH B SONAWALLACredential: M.D.
Location Address15 PARKMAN ST, MASS. GENERAL HOSPITAL WAC 812Boston, MA 02114-3117
Mailing Address116 Clive StEdison, NJ 08820-3669 · (617) 724-0279
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateJune 1, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1275570855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in MA · 205839
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
15 PARKMAN ST, Boston, MA 02114

Accepted Insurance

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

Shamsah B Sonawalla 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 ID2466823232
PECOS Enrollment IDI20230116000289
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 2

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
119 services26 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
55 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Adult Health)
15 PARKMAN ST, WAC 440
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Geriatric Psychiatry)
15 PARKMAN ST, PSYCHIATRY OUTPATIENT DEPARTMENT WAC 812
BOSTON, MA 02114
Physical Therapist (Neurology)
15 PARKMAN ST, ROOM 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST, WACC 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
15 PARKMAN ST, WAC 8 PSYCHIATRY OUTPATIENT DEPARTMENT
BOSTON, MA 02114

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 Shamsah Sonawalla's NPI number?

The NPI number for Shamsah Sonawalla is 1275570855. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is Shamsah Sonawalla located?

Shamsah Sonawalla practices at 15 Parkman St Mass. General Hospital Wac 812, Boston, MA 02114. The listed phone number is (617) 724-0279.

What is Shamsah Sonawalla's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Shamsah Sonawalla enrolled in Medicare?

Yes. Shamsah Sonawalla 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.

What insurance does Shamsah Sonawalla accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Shamsah Sonawalla 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 Shamsah Sonawalla affiliated with any hospitals?

According to CMS data, Shamsah Sonawalla is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Shamsah Sonawalla was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.