ISABEL B ESTES PMHNP
NPI 1548957228
Nurse Practitioner - Psychiatric/Mental Health in Newton, MA

Active since April 21, 2023PECOS EnrolledAccepts Medicare Assignment
233 NEEDHAM ST STE 404, NEWTON, MA 02464(617) 830-1644 Get Directions Write a Review

NPPES record last updated: April 21, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Isabel B Estes Pmhnp NPPES

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

ISABEL B ESTES PMHNP (NPI 1548957228) is an individual psychiatric/mental health provider in Newton, Massachusetts, licensed in Massachusetts (RN2291188) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1548957228
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameISABEL B ESTESCredential: PMHNP
Location Address233 NEEDHAM ST STE 404Newton, MA 02464-1504
Mailing Address250 Stow RdMarlborough, MA 01752-6526 · (508) 981-0525
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 21, 2023
NPPES CertifiedApril 19, 2023
✔ NPI 1548957228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2291188
233 NEEDHAM ST STE 404, Newton, MA 02464

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

Isabel B Estes Pmhnp 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 ID9931675154
PECOS Enrollment IDI20260415002731
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 Estes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
30 TAUNTON GREEN, SUITE 5
Taunton, MA 02780
  • Reassigned Medicare billing, Massachusetts enrollment
  • 689 clinicians in this Medicare group

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 02464 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 2

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

Nurse Practitioner (Psychiatric/Mental Health)
233 NEEDHAM ST STE 404
NEWTON, MA 02464
Nurse Practitioner (Psychiatric/Mental Health)
233 NEEDHAM ST STE 404
NEWTON, MA 02464

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 Estes's NPI number?

The NPI number for Isabel Estes is 1548957228. It was assigned to this individual provider in the NPPES registry on April 21, 2023.

Where is Isabel Estes located?

Isabel Estes practices at 233 Needham St Ste 404, Newton, MA 02464. The listed phone number is (617) 830-1644.

What is Isabel Estes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Isabel Estes enrolled in Medicare?

Yes. Isabel Estes 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 organization bills Medicare for Isabel Estes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabel Estes reassigns Medicare benefits to Northeast Health Services, LLC (Taunton, 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 Estes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Isabel Estes was last updated on April 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.