Walter J Chwals, MD - Medicare Surgery in Boston, MA

Walter J Chwals, MD is a medicare enrolled "Surgery - Pediatric Surgery" physician in Boston, Massachusetts. His current practice location is 800 Washington St, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 636-5000.

Walter J Chwals is licensed to practice in Massachusetts (license number 54706) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1497771141.

Contact Information

Walter J Chwals, MD
800 Washington St,
Boston, MA 02111-1552
(617) 636-5000
Not Available

Map and Direction




Physician's Profile

Full NameWalter J Chwals
GenderMale
SpecialitySurgery - Pediatric Surgery
Location800 Washington St, Boston, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1497771141
  • Provider Enumeration Date: 07/14/2006
  • Last Update Date: 01/29/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 8123011988
  • Enrollment ID: I20091117000217

Medical Identifiers

Medical identifiers for Walter J Chwals such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497771141NPI-NPPES
000000503637OtherANTHEM
000000204731OtherOHUNISON
1012234150001OtherPAPENNSYLVANIA MEDICAID
3810009981OtherWVWEST VIRGINIA MEDICAID
5904683OtherAETNA
363426OtherOHWELLCARE
2319539OtherOHBCMH
2319539MedicaidOH
734678OtherOHBUCKEYE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0120XSurgery - Pediatric Surgery 35-080813 (Ohio)Secondary
2086S0120XSurgery - Pediatric Surgery 54706 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Walter J Chwals allows following entities to bill medicare on his behalf.
Entity NamePratt Pediatric Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477590511
PECOS PAC ID: 3779475371
Enrollment ID: O20040329000127

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Walter J Chwals is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Walter J Chwals, MD
800 Washington St,
Boston, MA 02111-1552

Ph: (617) 636-5000
Walter J Chwals, MD
800 Washington St,
Boston, MA 02111-1552

Ph: (617) 636-5000

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.