NPPES file of Aug 9, 2026

Vivian F. Chamberlain, FNP-BC

Family Nurse Practitioner · Springfield, MA

Vivian F. Chamberlain, FNP-BC is a family nurse practitioner with a practice address in Springfield, Massachusetts, and NPI 1265325286, issued on May 29, 2025. Check the license (Massachusetts RN2339709, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265325286
Name
Vivian F. Chamberlain
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2339709 MA
Self-reported in NPPES; status is on the state search
Practice location
3640 Main St Ste 207, Springfield, MA 01107
Phone
(413) 739-0669
Enumerated
May 29, 2025
Record last updated
Apr 20, 2026
Fax
(413) 739-0621
Medicare enrollment
Enrolled (PECOS I20251014000936); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →

Also registered at 3640 Main St Ste 207

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stefanie Baptista, MDInternal Medicine Physician1609436161
  2. Camryn BoutinMedical Physician Assistant1588397566
  3. Patrick Madden, PA-CMedical Physician Assistant1679556385
  4. Viktoria Madden, PAMedical Physician Assistant1326074998
  5. Adam Wychowski, M.D.Internal Medicine Physician1003806902

Verify Vivian F. Chamberlain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2339709    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Baystate Medical Practices IncSpringfield, MA
  2. Valley Medical Associates, PCSpringfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vivian F. Chamberlain among 4,724 family nurse practitioner records in Massachusetts

Vivian F. Chamberlain, FNP-BC is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2025 · median 2019 among the 2,704 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

197 family nurse practitioner records list a practice address in Springfield

They are 197 of the 8,553 NPPES records with a practice address in Springfield, and 4,724 family nurse practitioner records in Massachusetts.

All 4,724 in Massachusetts → Every provider in Springfield → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sharon Baribeau, NPSpringfield, MA 011071104878370
  2. Roberta Barron, NPSpringfield, MA 011071689629743
  3. Paula Brooks, NPSpringfield, MA 011071831140987
  4. Helen Clark, NPSpringfield, MA 011071124098876
  5. Rebecca Delisa, NPSpringfield, MA 011071033196530
  6. Helen James, NPSpringfield, MA 011071891717344
  7. Mary Kinne, NPSpringfield, MA 011071235187840
  8. Maria Lankowski, APRNSpringfield, MA 011071891766556

Common questions

What is Vivian F. Chamberlain, FNP-BC's NPI number?

Vivian F. Chamberlain, FNP-BC's National Provider Identifier (NPI) is 1265325286, issued on May 29, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Vivian F. Chamberlain, FNP-BC located?

The NPPES record lists a practice address at 3640 Main St Ste 207, Springfield, MA, 01107. Phone: (413) 739-0669. Providers update this record themselves, so call before visiting.

How can I verify Vivian F. Chamberlain, FNP-BC's license?

NPPES lists Massachusetts license number RN2339709, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.