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MR. ELIEL NEGRON DIAZ LMHC
NPI 1811326648
Counselor - Mental Health in Springfield, MA

Active since November 02, 2013PECOS EnrolledAccepts Medicare Assignment
300 CAREW ST STE 2, SPRINGFIELD, MA 01104(413) 736-0355(413) 734-1651 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mr. Eliel Negron Diaz Lmhc NPPES

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

MR. ELIEL NEGRON DIAZ LMHC (NPI 1811326648) is an individual mental health provider in Springfield, Massachusetts, licensed in Massachusetts (12540) and active in the NPI registry since November 2013. He is enrolled in Medicare PECOS and is a graduate of Ponce School Of Medicine (2013).

NPPES Registry Identity

NPI1811326648
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. ELIEL NEGRON DIAZCredential: LMHC
Location Address300 CAREW ST STE 2Springfield, MA 01104-2146
Mailing Address280 Chestnut St Fl 2Springfield, MA 01199-1001 · (413) 794-5700 · Fax (413) 794-1629
Phone(413) 736-0355
Fax(413) 734-1651
Sole ProprietorNo
Medical School CMSPonce School Of MedicineGraduated 2013
Enumeration DateNovember 2, 2013
Last NPPES UpdateJanuary 3, 2022
NPPES CertifiedJanuary 3, 2022
✔ NPI 1811326648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MA · 12540
Also ListedCounselorTaxonomy 101Y00000X
300 CAREW ST STE 2, Springfield, MA 01104
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Other Identifiers 1

Medicaid1303295MA

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.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

Mr. Eliel Negron Diaz Lmhc 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 ID4688012099
PECOS Enrollment IDI20240404001494
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 Eliel Negron Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston Neurobehavioral Associates, LLC
92 mi
Psychiatry
226 FIELD ST
New Bedford, MA 02740
  • Reassigned Medicare billing, Massachusetts enrollment
  • 196 clinicians in this Medicare group
NPI 1558415307 (508) 979-5557

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

Other Providers at the Same Location NPPES 3

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

MS. ALISON A MORRISEY MSW
Social Worker
300 CAREW ST STE 2
SPRINGFIELD, MA 01104
Hampden County (413) 794-9816
SARAH LIQUORMAN PSYD
Psychologist
300 CAREW ST STE 2
SPRINGFIELD, MA 01104
Hampden County (413) 794-9816
STEPHANIE KAPLAN PHD
Psychologist
300 CAREW ST STE 2
SPRINGFIELD, MA 01104
Hampden County (413) 794-9816

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 Eliel Negron Diaz's NPI number?

The NPI number for Eliel Negron Diaz is 1811326648. It was assigned to this individual provider in the NPPES registry on November 2, 2013.

Where is Eliel Negron Diaz located?

Eliel Negron Diaz practices at 300 Carew St Ste 2, Springfield, MA 01104. The listed phone number is (413) 736-0355.

What is Eliel Negron Diaz's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Eliel Negron Diaz enrolled in Medicare?

Yes. Eliel Negron Diaz 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 Eliel Negron Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eliel Negron Diaz reassigns Medicare benefits to Boston Neurobehavioral Associates, LLC (New Bedford, 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 Eliel Negron Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eliel Negron Diaz accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Eliel Negron Diaz 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 Eliel Negron Diaz was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.