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ISABEL BENZENHAFER DMD
NPI 1235871302
Dentist - Pediatric Dentistry in Northampton, MA

Active since April 10, 2022PECOS Enrolled
NORTHAMPTON PEDIATRIC DENTISTRY DBA- TREEHOUSE PEDIATRI, 264 ELM ST SUITE 5, NORTHAMPTON, MA 01060(413) 584-7773(413) 584-0684 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 15, 2026, Aug 7, 2024, Jul 30, 2024 and 1 more (4 updates tracked since 2022).

About Isabel Benzenhafer Dmd NPPES

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

ISABEL BENZENHAFER DMD (NPI 1235871302) is an individual pediatric dentistry provider in Northampton, Massachusetts, licensed in Massachusetts (DN10000027) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2022).

NPPES Registry Identity

NPI1235871302
Entity TypeIndividualFemale
Primary Taxonomy1223P0221X
Provider Legal NameISABEL BENZENHAFERCredential: DMD
Location AddressNORTHAMPTON PEDIATRIC DENTISTRY DBA- TREEHOUSE PEDIATRI, 264 ELM ST SUITE 5Northampton, MA 01060
Mailing Address264 Elm St Ste 5Northampton, MA 01060-2857 · (413) 584-7773 · Fax (413) 584-0684
Phone(413) 584-7773
Fax(413) 584-0684
Sole ProprietorYes
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2022
Enumeration DateApril 10, 2022
Last NPPES UpdateApril 15, 20264 updates tracked since enumeration
NPPES CertifiedApril 15, 2026
✔ NPI 1235871302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · Pediatric DentistryDental Providers
Taxonomy Code1223P0221X
License✔ Licensed in MA · DN10000027
Definition
An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
NORTHAMPTON PEDIATRIC DENTISTRY DBA- TREEHOUSE PEDIATRI, Northampton, MA 01060
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, BEST Life and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabel Benzenhafer Dmd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214408848
PECOS Enrollment IDI20260604002943
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 Reassignment

Medicare enrollment records show Isabel Benzenhafer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Holyoke Health Center Inc.
10 mi
Community Health
230 MAPLE ST
Holyoke, MA 01040
  • Reassigned Medicare billing, Massachusetts enrollment
  • 55 clinicians in this Medicare group
NPI 1740271022 (413) 420-2200

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 01060 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
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Isabel Benzenhafer's NPI number?

The NPI number for Isabel Benzenhafer is 1235871302. It was assigned to this individual provider in the NPPES registry on April 10, 2022.

Where is Isabel Benzenhafer located?

Isabel Benzenhafer practices at Northampton Pediatric Dentistry Dba- Treehouse Pediatri 264 Elm St Suite 5, Northampton, MA 01060. The listed phone number is (413) 584-7773.

What is Isabel Benzenhafer's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

Is Isabel Benzenhafer enrolled in Medicare?

Yes. Isabel Benzenhafer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabel Benzenhafer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabel Benzenhafer reassigns Medicare benefits to Holyoke Health Center Inc. (Holyoke, MA). The 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 Isabel Benzenhafer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isabel Benzenhafer accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 13 other insurers list Isabel Benzenhafer 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 Isabel Benzenhafer was last updated on April 15, 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.