William Bigelow Schwartz, LCSW
Clinical Social Worker · Holyoke, MA
William Bigelow Schwartz, LCSW is a clinical social worker with a practice address in Holyoke, Massachusetts, and NPI 1447865423, issued on Sep 15, 2020. Check the license (Massachusetts 228302, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Bigelow Schwartz
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 228302 MA
Self-reported in NPPES; status is on the state search - Practice location
- 303 Beech St, Holyoke, MA 01040
- Phone
- (413) 377-6363
- Enumerated
- Sep 15, 2020
- Record last updated
- Aug 30, 2022
- Medicare enrollment
- Enrolled (PECOS I20250210001753); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 303 Beech St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chelsea AloisiCounselor1679319768
- Ashley AmonSchool Counselor1437871084
- Martha BaezCounselor1073080123
- Ashley BarrettCounselor1841779964
- Jesse BathCounselor1124728605
Verify William Bigelow Schwartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 228302Check 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 one group practice
- River Valley Counseling Center IncHolyoke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Bigelow Schwartz among 17,815 clinical social worker records in Massachusetts
William Bigelow Schwartz, LCSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2021 · median 2004 among the 3,059 with a school on file
- Record last updated2022 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 clinical social worker records list a practice address in Holyoke
They are 146 of the 1,961 NPPES records with a practice address in Holyoke, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Holyoke → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Theresa Cain, MSWHolyoke, MA 010401831282011
- Karen Darley, LCSW, LICSWHolyoke, MA 010401033213533
- Beth Eisenberg, LICSWHolyoke, MA 010401972675361
- Theresa Hammond, MSWHolyoke, MA 010401508823527
- Annie Lapensee, LICSWHolyoke, MA 010401043390784
- Jane Laskey, MSW, LICSWHolyoke, MA 010401750454039
- Joan Lesser, LICSW, PHDHolyoke, MA 010401811068968
- Aimee Letson, LICSWHolyoke, MA 010401184716292
Common questions
What is William Bigelow Schwartz, LCSW's NPI number?
William Bigelow Schwartz, LCSW's National Provider Identifier (NPI) is 1447865423, issued on Sep 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Bigelow Schwartz, LCSW located?
The NPPES record lists a practice address at 303 Beech St, Holyoke, MA, 01040. Phone: (413) 377-6363. Providers update this record themselves, so call before visiting.
How can I verify William Bigelow Schwartz, LCSW's license?
NPPES lists Massachusetts license number 228302, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
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.