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VIVIAN F CHAMBERLAIN FNP-BC
NPI 1265325286
Nurse Practitioner - Family in Springfield, MA

Active since May 29, 2025PECOS EnrolledAccepts Medicare Assignment
3640 MAIN ST STE 207, SPRINGFIELD, MA 01107(413) 739-0669(413) 739-0621 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 20, 2026, Jun 18, 2025, May 29, 2025 (3 updates tracked since 2025).

About Vivian F Chamberlain Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VIVIAN F CHAMBERLAIN FNP-BC (NPI 1265325286) is an individual family provider in Springfield, Massachusetts, licensed in Massachusetts (RN2339709) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Baystate Noble Hospital, and is a graduate of Yale University School Of Medicine (2025).

NPPES Registry Identity

NPI1265325286
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameVIVIAN F CHAMBERLAINCredential: FNP-BC
Location Address3640 MAIN ST STE 207Springfield, MA 01107-1084
Mailing Address280 Chestnut St Fl 2Springfield, MA 01199-1001 · (413) 794-5700 · Fax (413) 794-1629
Phone(413) 739-0669
Fax(413) 739-0621
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2025
Enumeration DateMay 29, 2025
Last NPPES UpdateApril 20, 20263 updates tracked since enumeration
NPPES CertifiedApril 20, 2026
✔ NPI 1265325286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2339709
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2339709 (MA)
3640 MAIN ST STE 207, Springfield, MA 01107
Open in Google Maps ↗

Other Names 1

Former Name (1)Vivian Mattingly Franklin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vivian F Chamberlain Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901393024
PECOS Enrollment IDI20251014000936
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Vivian Chamberlain reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valley Medical Associates, PC
Same address
Internal Medicine
3640 MAIN ST, SUITE 207
Springfield, MA 01107
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6 clinicians in this Medicare group
NPI 1093897852 (413) 739-0669
Baystate Medical Practices, Inc
0.6 mi
Emergency Medical Services
759 CHESTNUT ST
Springfield, MA 01199
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,537 clinicians in this Medicare group
NPI 1548205909 (413) 794-5700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baystate Noble Hospital

Acute Care Hospitals · Westfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220065
Location115 West Silver StreetWestfield, MA 01085 · Hampden County
Emergency services

Baystate Medical Center

Acute Care Hospitals · Springfield, MA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220077
Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADAM G WYCHOWSKI M.D.
Internal Medicine
3640 MAIN ST STE 207
SPRINGFIELD, MA 01107
Hampden County (413) 739-0669
MS. VIKTORIA MADDEN PA
Physician Assistant (Medical)
3640 MAIN ST STE 207
SPRINGFIELD, MA 01107
Hampden County (413) 739-0669
CAMRYN Y BOUTIN
Physician Assistant (Medical)
3640 MAIN ST STE 207
SPRINGFIELD, MA 01107
Hampden County (413) 739-0669
DR. STEFANIE BAPTISTA MD
Internal Medicine
3640 MAIN ST STE 207
SPRINGFIELD, MA 01107
Hampden County (413) 739-0669
MR. PATRICK E. MADDEN PA-C
Physician Assistant (Medical)
3640 MAIN ST STE 207
SPRINGFIELD, MA 01107
Hampden County (413) 739-0669

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vivian Chamberlain's NPI number?

The NPI number for Vivian Chamberlain is 1265325286. It was assigned to this individual provider in the NPPES registry on May 29, 2025. The provider is also known as Vivian Mattingly Franklin.

Where is Vivian Chamberlain located?

Vivian Chamberlain practices at 3640 Main St Ste 207, Springfield, MA 01107. The listed phone number is (413) 739-0669.

What is Vivian Chamberlain's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Vivian Chamberlain enrolled in Medicare?

Yes. Vivian Chamberlain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Vivian Chamberlain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Chamberlain reassigns Medicare benefits to 2 organizations: Valley Medical Associates, PC (Springfield, MA) and Baystate Medical Practices, Inc (Springfield, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vivian Chamberlain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Vivian Chamberlain affiliated with any hospitals?

According to CMS data, Vivian Chamberlain is affiliated with Baystate Noble Hospital and Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for Vivian Chamberlain was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.