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WALTER J CHWALS MD
NPI 1497771141
Surgery - Pediatric Surgery in Boston, MA

Active since July 14, 2006PECOS EnrolledAccepts Medicare Assignment
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: January 29, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Walter J Chwals Md NPPES

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

WALTER J CHWALS MD (NPI 1497771141) is an individual pediatric surgery provider in Boston, Massachusetts, licensed in Massachusetts (54706) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1497771141
Entity TypeIndividualMale
Primary Taxonomy2086S0120X
Provider Legal NameWALTER J CHWALSCredential: MD
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5000
Phone(617) 636-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateJuly 14, 2006
Last NPPES UpdateJanuary 29, 2014
✔ NPI 1497771141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
Licenses✔ Licensed in MA · 54706✔ Licensed in OH · 35-080813
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
800 WASHINGTON ST, Boston, MA 02111
Open in Google Maps ↗

Other Identifiers 12

Other1012234150001PA · Pennsylvania Medicaid
Other2319539OH · Bcmh
Other5904683Aetna
Medicare UPIND92681
Medicaid2319539OH
Medicare PINCH4072722OH
Other000000503637Anthem
Other3810009981WV · West Virginia Medicaid
Other363426OH · Wellcare
Other734678OH · Buckeye
Medicare PINCH4072723OH
Other000000204731OH · Unison

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

Walter J Chwals 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 ID8123011988
PECOS Enrollment IDI20091117000217
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.

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.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

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 Walter Chwals's NPI number?

The NPI number for Walter Chwals is 1497771141. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Walter Chwals located?

Walter Chwals practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is Walter Chwals's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Walter Chwals enrolled in Medicare?

Yes. Walter Chwals 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.

When was this NPI record last updated?

The NPPES record for Walter Chwals was last updated on January 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.