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MR. ALFONSO MACK HENDERSON
NPI 1396396305
Social Worker - Clinical in Newton, MA

Active since September 23, 2019PECOS Enrolled
199 WELLS AVE, NEWTON, MA 02459(774) 766-8780 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 13, 2025, May 5, 2023, Sep 23, 2019 (3 updates tracked since 2019).

About Mr. Alfonso Mack Henderson NPPES

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

MR. ALFONSO MACK HENDERSON (NPI 1396396305) is an individual clinical provider in Newton, Massachusetts, licensed in Massachusetts (128637) and active in the NPI registry since September 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396396305
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. ALFONSO MACK HENDERSON
Location Address199 WELLS AVENewton, MA 02459-3325
Mailing Address1612 Worcester Rd Apt 618aFramingham, MA 01702-5480 · (309) 660-0134
Phone(774) 766-8780
Sole ProprietorYes
Enumeration DateSeptember 23, 2019
Last NPPES UpdateMarch 13, 20253 updates tracked since enumeration
NPPES CertifiedMarch 13, 2025
✔ NPI 1396396305 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 128637
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
199 WELLS AVE, Newton, MA 02459
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Alfonso Mack Henderson 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

2

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

Northeast Health Services, LLC
28 mi
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
NPI 1225067481 (508) 880-6666
Learnwell Behavioral Health LLC
36 mi
Adolescent and Children Mental Health
2A MAIN STREET
Plymouth, MA 02360
  • Reassigned Medicare billing, Massachusetts enrollment
  • 7 clinicians in this Medicare group
NPI 1265134001 (508) 562-2477

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 02459 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
$0.00 typical visit price
range $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

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.

MAYA MADISON MECK BORDEN
Student in an Organized Health Care Education/Training Program
199 WELLS AVE
NEWTON, MA 02459
Middlesex County (774) 519-6411
ZACKARY HAWTHORNE GENTRY LCSW
Social Worker
199 WELLS AVE
NEWTON, MA 02459
Middlesex County (774) 519-6411

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 Alfonso Henderson's NPI number?

The NPI number for Alfonso Henderson is 1396396305. It was assigned to this individual provider in the NPPES registry on September 23, 2019.

Where is Alfonso Henderson located?

Alfonso Henderson practices at 199 Wells Ave, Newton, MA 02459. The listed phone number is (774) 766-8780.

What is Alfonso Henderson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Alfonso Henderson enrolled in Medicare?

Yes. Alfonso Henderson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alfonso Henderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfonso Henderson reassigns Medicare benefits to 2 organizations: Northeast Health Services, LLC (Taunton, MA) and Learnwell Behavioral Health LLC (Plymouth, 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 Alfonso Henderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alfonso Henderson accept?

Health plans from Harvard Pilgrim Health Care list Alfonso Henderson 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 Alfonso Henderson was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.