Walter Chwals, MD
NPI 1497771141 · Pediatric Surgery Physician · Boston, MA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Chwals, MD is a Pediatric Surgery Physician provider in Boston, MA (NPI 1497771141).
Provider details
- NPI number
- 1497771141
- Entity type
- Individual
- Primary specialty
- Pediatric Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35-080813 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2014-01-29
Frequently asked questions
- What is Walter Chwals's NPI number?
- Walter Chwals's National Provider Identifier (NPI) is 1497771141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Chwals's specialty?
- Walter Chwals is listed in the NPPES registry with a primary specialty of Pediatric Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Chwals located?
- Walter Chwals's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Walter Chwals's phone number?
- The practice phone number listed in the NPPES registry for Walter Chwals is (617) 636-5000.
- Does Walter Chwals accept Medicare?
- Walter Chwals is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Chwals's NPI active?
- Yes — Walter Chwals's NPI (1497771141) is active in the NPPES registry as of the last update on 2014-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.