1. Home
  2. Directory
  3. Massachusetts
  4. Methuen
  5. Psychiatry Neurology
  6. NPI Profile

SANDRA DIAZ DO
NPI 1730539602
Psychiatry & Neurology - Child & Adolescent Psychiatry in Methuen, MA

Active since June 21, 2016PECOS Enrolled
100A HAVERHILL ST, METHUEN, MA 01844(978) 682-5276 Get Directions Write a Review

NPPES record last updated: March 21, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 1, 2022, Oct 22, 2021, Apr 15, 2019 and 1 more (4 updates tracked since 2016).

About Sandra Diaz Do NPPES

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

SANDRA DIAZ DO (NPI 1730539602) is an individual child & adolescent psychiatry provider in Methuen, Massachusetts, licensed in Massachusetts (287520) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1730539602
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameSANDRA DIAZCredential: DO
Location Address100A HAVERHILL STMethuen, MA 01844-4251
Mailing Address100a Haverhill StMethuen, MA 01844-4251 · (978) 682-5276 · Fax (978) 688-4932
Phone(978) 682-5276
Sole ProprietorNo
Enumeration DateJune 21, 2016
Last NPPES UpdateMarch 21, 20244 updates tracked since enumeration
NPPES CertifiedMarch 21, 2024
✔ NPI 1730539602 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MA · 287520
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 287520 (MA)
100A HAVERHILL ST, Methuen, MA 01844
Open in Google Maps ↗

Other Names 1

Former Name (1)Sandra N Lucio Do

Secondary Practice Locations 2

Location 1800 Washington StBoston, MA 02111 · Phone (617) 636-5000
Location 2780 Albany StBoston, MA 02118-2755 · Phone (857) 654-1000

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sandra Diaz Do 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

4

Medicare enrollment records show Sandra Diaz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Andrews Center/ Phillips
1,497 mi
Residential Treatment Facility, Intellectual and/or Developmental Disabilities
210 W PHILLIPS ST
Tyler, TX 75701
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Andrews Center
  • 71 clinicians in this Medicare group
NPI 1063436665 (903) 593-8861
Burke Center
1,510 mi
Psychiatry
2001 S MEDFORD DR
Lufkin, TX 75901
  • Reassigned Medicare billing, Texas enrollment
  • 150 clinicians in this Medicare group
NPI 1396792420 (936) 633-5650
Bluebonnet Trails Community Mhmr Center
1,684 mi
Mental Health (Including Community Mental Health Center)
1009 N GEORGETOWN ST
Round Rock, TX 78664
  • Reassigned Medicare billing, Texas enrollment
  • 216 clinicians in this Medicare group
NPI 1730135864 (512) 255-1720
Camino Real Community Mhmr Center
1,792 mi
Case Management
19965 FM 3175
Lytle, TX 78052
  • Reassigned Medicare billing, Texas enrollment
  • 152 clinicians in this Medicare group
NPI 1154411262 (210) 357-0300

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 20

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

MRS. RUTH WOODCOCK ROSSI MSW
Counselor
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 682-5276
HEATHER MCCURDY O'NEIL LMHC
Counselor (Mental Health)
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 682-5276
MARK LEINENBACH
Counselor
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 682-5276
ERIN CARROLL LCSW
Social Worker (Clinical)
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 682-5276
KELLI CAREW
Counselor (Mental Health)
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 495-1593
CORIANNE HOGAN
Counselor
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 682-5276
NEWTON JIMINIAN
Counselor
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 682-5276
MISS LAURA M MADDEN
Counselor (Mental Health)
100A HAVERHILL ST
METHUEN, MA 01844
Essex County (978) 210-3577

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 Sandra Diaz's NPI number?

The NPI number for Sandra Diaz is 1730539602. It was assigned to this individual provider in the NPPES registry on June 21, 2016. The provider is also known as Sandra N Lucio Do.

Where is Sandra Diaz located?

Sandra Diaz practices at 100A Haverhill St, Methuen, MA 01844. The listed phone number is (978) 682-5276.

What is Sandra Diaz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Sandra Diaz enrolled in Medicare?

Yes. Sandra Diaz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sandra Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Diaz reassigns Medicare benefits to 4 organizations: Andrews Center/ Phillips (Tyler, TX), Burke Center (Lufkin, TX), Bluebonnet Trails Community Mhmr Center (Round Rock, TX) and Camino Real Community Mhmr Center (Lytle, TX). 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 Sandra Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sandra Diaz accept?

Health plans from Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Texas list Sandra 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 Sandra Diaz was last updated on March 21, 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.