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DR. AMBREEN SONAWALLA M.B.,B.S.
NPI 1588196158
Pediatrics - Pediatric Endocrinology in Boston, MA

Active since April 01, 2017PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: June 15, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 15, 2023, Apr 1, 2017 (2 updates tracked since 2017).

About Dr. Ambreen Sonawalla M.b.,b.s. NPPES

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

DR. AMBREEN SONAWALLA M.B.,B.S. (NPI 1588196158) is an individual pediatric endocrinology provider in Boston, Massachusetts, licensed in Massachusetts (283020) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Little Rock.

NPPES Registry Identity

NPI1588196158
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameDR. AMBREEN SONAWALLACredential: M.B.,B.S.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorYes
Enumeration DateApril 1, 2017
Last NPPES UpdateJune 15, 20232 updates tracked since enumeration
NPPES CertifiedJune 15, 2023
✔ NPI 1588196158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in MA · 283020
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
300 LONGWOOD AVE, Boston, MA 02115
Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Childrens Way # 512-19ALittle Rock, AR 72202-3500 · Phone (501) 364-1100

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ambreen Sonawalla M.b.,b.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Ambreen Sonawalla reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Hospital Pediatric Associates, Inc
Same address
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
NPI 1457306664 (617) 355-6000
Pratt Pediatric Associates Inc
2.3 mi
Pediatrics
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 202 clinicians in this Medicare group
NPI 1477590511 (617) 636-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MRS. LAUREN ASHLEY SHARIS P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 Ambreen Sonawalla's NPI number?

The NPI number for Ambreen Sonawalla is 1588196158. It was assigned to this individual provider in the NPPES registry on April 1, 2017.

Where is Ambreen Sonawalla located?

Ambreen Sonawalla practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Ambreen Sonawalla's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Ambreen Sonawalla enrolled in Medicare?

Yes. Ambreen Sonawalla is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ambreen Sonawalla's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ambreen Sonawalla reassigns Medicare benefits to 2 organizations: Children's Hospital Pediatric Associates, Inc (Boston, MA) and Pratt Pediatric Associates Inc (Boston, 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 Ambreen Sonawalla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ambreen Sonawalla accept?

Health plans from Taro Health list Ambreen 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.

When was this NPI record last updated?

The NPPES record for Ambreen Sonawalla was last updated on June 15, 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.