Weijen William Chang, M.D.
Pediatrics Physician · Springfield, MA
Weijen William Chang, M.D. is a pediatrics physician with a practice address in Springfield, Massachusetts, and NPI 1235174103, issued on Jun 17, 2006. Check the license (Massachusetts 157873, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Weijen William Chang
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 157873 MA
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut Street, Springfield, MA 01107
- Phone
- (413) 794-2398
- Enumerated
- Jun 17, 2006
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (413) 794-1273
- Medicaid ID
- 3181812 MA
- Medicare enrollment
- Enrolled (PECOS I20260413002223); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ines Ingrid Anton, NPFamily Nurse Practitioner1922301613
- Alicia Apostoles, RNPediatric Nurse Practitioner1780317792
- Inna Baraban, PA-CSurgical Physician Assistant1609326552
Verify Weijen William Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 157873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Baystate Medical Practices IncSpringfield, MA
- Hospital Medicine Services OF FL, LLCOrlando, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Weijen William Chang among 2,628 pediatrics physician records in Massachusetts
Weijen William Chang, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1994 · median 2010 among the 319 with a school on file
- Record last updated2018 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 pediatrics physician records list a practice address in Springfield
They are 86 of the 8,553 NPPES records with a practice address in Springfield, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Springfield → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Tatiana Bendioukova, MDSpringfield, MA 011071417064635
- Hilary Branch, MDSpringfield, MA 011071306937503
- Sheila Cleary, D.O.Springfield, MA 011071982779617
- Robert Gerstle, MDSpringfield, MA 011071750472882
- Sarah Goff, MDSpringfield, MA 011071922089846
- Carolyn Goldstein, MDSpringfield, MA 011071104915560
- Audrey Guhn, MDSpringfield, MA 011071346262482
- Nancy Kloczko, MDSpringfield, MA 011071316038557
Common questions
What is Weijen William Chang, M.D.'s NPI number?
Weijen William Chang, M.D.'s National Provider Identifier (NPI) is 1235174103, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Weijen William Chang, M.D. located?
The NPPES record lists a practice address at 759 Chestnut Street, Springfield, MA, 01107. Phone: (413) 794-2398. Providers update this record themselves, so call before visiting.
How can I verify Weijen William Chang, M.D.'s license?
NPPES lists Massachusetts license number 157873, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.