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DR. ARIEL S GALLANT BERNSTEIN M.D.
NPI 1902195365
Pediatrics in Greenfield, MA

Active since April 06, 2011PECOS Enrolled
48 SANDERSON STREET, GREENFIELD, MA 01301(413) 773-2022(413) 773-4945 Get Directions Write a Review

NPPES record last updated: November 10, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 10, 2016, May 13, 2016 (2 updates tracked since 2016).

About Dr. Ariel S Gallant Bernstein M.d. NPPES

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

DR. ARIEL S GALLANT BERNSTEIN M.D. (NPI 1902195365) is an individual pediatrics provider in Greenfield, Massachusetts, licensed in Massachusetts (260727) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902195365
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ARIEL S GALLANT BERNSTEINCredential: M.D.
Location Address48 SANDERSON STREETGreenfield, MA 01301-2778
Mailing Address280 Chestnut St, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700
Phone(413) 773-2022
Fax(413) 773-4945
Sole ProprietorNo
Enumeration DateApril 6, 2011
Last NPPES UpdateNovember 10, 20162 updates tracked since enumeration
✔ NPI 1902195365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 260727
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
48 SANDERSON STREET, Greenfield, MA 01301
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ariel S Gallant Bernstein M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

4

Medicare enrollment records show Ariel Gallant Bernstein reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baystate Medical Practices, Inc
33 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
Porter Hospital Inc
88 mi
Family Medicine
61 COURT DR, NESHOBE FAMILY MEDICINE
Brandon, VT 05733
  • Reassigned Medicare billing, Vermont enrollment
  • Also billed through NPI 1134457013 (Vermont)
  • 243 clinicians in this Medicare group
NPI 1609896935 (802) 247-3755
Gifford Health Care, Inc
91 mi
General Practice
44 SOUTH MAIN ST.
Randolph, VT 05060
  • Reassigned Medicare billing, Vermont enrollment
  • 62 clinicians in this Medicare group
NPI 1013269430 (802) 728-7000
Northwestern Medical Center, Inc.
155 mi
General Acute Care Hospital
133 FAIRFIELD ST
Saint Albans, VT 05478
  • Reassigned Medicare billing, Vermont enrollment
  • 184 clinicians in this Medicare group
NPI 1538293469 (802) 524-5911

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01301 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 16

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

DR. SATISH B MUTHAVARAPU MD
Surgery
48 SANDERSON STREET, SUITE 2
GREENFIELD, MA 01301
Franklin County (413) 773-2626
DR. BRIAN D HOFFMAN MD
Orthopaedic Surgery
48 SANDERSON STREET, 2ND FL
GREENFIELD, MA 01301
Franklin County (413) 773-2220
DR. CHANDRA C HARTMAN MD
Family Medicine
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2022
RAJIV PADMANABHAN MD
Psychiatry & Neurology (Neurology)
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 794-5600
DR. STEPHANIE STEPHANIE M.D.
Internal Medicine (Gastroenterology)
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2655
KAITLIN P DEBBINK MD
Surgery
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2626
YVONNE M V LOOMAN NP
Nurse Practitioner (Family)
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 794-5600
MARY C CASARTELLO CNM
Advanced Practice Midwife
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2200

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 Ariel Gallant Bernstein's NPI number?

The NPI number for Ariel Gallant Bernstein is 1902195365. It was assigned to this individual provider in the NPPES registry on April 6, 2011.

Where is Ariel Gallant Bernstein located?

Ariel Gallant Bernstein practices at 48 Sanderson Street, Greenfield, MA 01301. The listed phone number is (413) 773-2022.

What is Ariel Gallant Bernstein's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ariel Gallant Bernstein enrolled in Medicare?

Yes. Ariel Gallant Bernstein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ariel Gallant Bernstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Gallant Bernstein reassigns Medicare benefits to 4 organizations: Baystate Medical Practices, Inc (Springfield, MA), Porter Hospital Inc (Brandon, VT), Gifford Health Care, Inc (Randolph, VT) and Northwestern Medical Center, Inc. (Saint Albans, VT). 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 Ariel Gallant Bernstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ariel Gallant Bernstein accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Ariel Gallant Bernstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ariel Gallant Bernstein was last updated on November 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.