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MAXWELL JOSEPH SCHOENFELD
NPI 1720845852
Nurse Practitioner - Psychiatric/Mental Health in Charlestown, MA

Active since March 05, 2024PECOS EnrolledAccepts Medicare Assignment
9 HANCOCK ST APT 1, CHARLESTOWN, MA 02129(201) 312-5822 Get Directions Write a Review

NPPES record last updated: August 5, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2024, Mar 5, 2024 (2 updates tracked since 2024).

About Maxwell Joseph Schoenfeld NPPES

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

MAXWELL JOSEPH SCHOENFELD (NPI 1720845852) is an individual psychiatric/mental health provider in Charlestown, Massachusetts, licensed in Massachusetts (RN2372881) and active in the NPI registry since March 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1720845852
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMAXWELL JOSEPH SCHOENFELD
Location Address9 HANCOCK ST APT 1Charlestown, MA 02129-2515
Mailing Address9 Hancock St Apt 1Charlestown, MA 02129-2515 · (201) 312-5822
Phone(201) 312-5822
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 5, 2024
Last NPPES UpdateAugust 5, 20242 updates tracked since enumeration
NPPES CertifiedAugust 5, 2024
✔ NPI 1720845852 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 · RN2372881
9 HANCOCK ST APT 1, Charlestown, MA 02129
Open in Google Maps ↗

Other Names 1

Other Name (5)Mack Joseph Schoenfeld

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, WellSense Health Plan.Insurance ›

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

Maxwell Joseph Schoenfeld 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 ID1456883305
PECOS Enrollment IDI20241016001997
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 Maxwell Schoenfeld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Center For Brain Health PLLC
3.4 mi
Psychiatry
1101 BEACON ST STE 1W
Brookline, MA 02446
  • Reassigned Medicare billing, Massachusetts enrollment
  • 8 clinicians in this Medicare group
NPI 1144731225 (617) 855-7288

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 02129 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.

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 Maxwell Schoenfeld's NPI number?

The NPI number for Maxwell Schoenfeld is 1720845852. It was assigned to this individual provider in the NPPES registry on March 5, 2024. The provider is also known as Mack Joseph Schoenfeld.

Where is Maxwell Schoenfeld located?

Maxwell Schoenfeld practices at 9 Hancock St Apt 1, Charlestown, MA 02129. The listed phone number is (201) 312-5822.

What is Maxwell Schoenfeld's specialty?

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

Is Maxwell Schoenfeld enrolled in Medicare?

Yes. Maxwell Schoenfeld 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 Maxwell Schoenfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maxwell Schoenfeld reassigns Medicare benefits to Center For Brain Health PLLC (Brookline, 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 Maxwell Schoenfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maxwell Schoenfeld accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Maxwell Schoenfeld 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 Maxwell Schoenfeld was last updated on August 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.