Sandra Diaz, DO
NPI 1730539602 · Child & Adolescent Psychiatry Physician · Methuen, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Diaz, DO is a Child & Adolescent Psychiatry Physician provider in Methuen, MA (NPI 1730539602).
Provider details
- NPI number
- 1730539602
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 287520 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 800 Washington StBoston, MA 02111Phone: (617) 636-5000
- 780 Albany StBoston, MA 02118-2755Phone: (857) 654-1000
Registry dates
- Enumerated
- 2016-06-21
- Last updated
- 2024-03-21
- Certified
- 2024-03-21
Frequently asked questions
- What is Sandra Diaz's NPI number?
- Sandra Diaz's National Provider Identifier (NPI) is 1730539602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Diaz's specialty?
- Sandra Diaz is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Diaz located?
- Sandra Diaz's practice location on file with NPPES is 100a Haverhill St, Methuen, MA 01844-4251.
- What is Sandra Diaz's phone number?
- The practice phone number listed in the NPPES registry for Sandra Diaz is (978) 682-5276.
- Does Sandra Diaz accept Medicare?
- Sandra Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Diaz's NPI active?
- Yes — Sandra Diaz's NPI (1730539602) is active in the NPPES registry as of the last update on 2024-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.