Sandra Diaz, DO
Child & Adolescent Psychiatry Physician · Methuen, MA
Sandra Diaz, DO is a child & adolescent psychiatry physician with a practice address in Methuen, Massachusetts, and NPI 1730539602, issued on Jun 21, 2016. Check the license (Massachusetts 287520, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sandra Diaz
- Credential
- DO
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 287520 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100A Haverhill St, Methuen, MA 01844
- Phone
- (978) 682-5276
- Enumerated
- Jun 21, 2016
- Record last updated
- Mar 21, 2024
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 336 in Massachusetts → Look up another NPI →
Also registered at 100A Haverhill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Aballo, M.A.Counselor1144657057
- Maria AbreuHealth Service Psychologist1801281233
- Vanesa AielloMental Health Counselor1164350633
- Nirlap BettenhauserMental Health Counselor1356177414
- Emily Buck, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1972934636
- Bryan Burke, MACounselor1326443441
Verify Sandra Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 287520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
31 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $26.89
1 payment: food and beverage; the largest payer was Biogen, Inc. The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sandra Diaz among 336 child & adolescent psychiatry physician records in Massachusetts
Sandra Diaz, DO is one of 336 child & adolescent psychiatry physician records with a practice address in Massachusetts. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 82% of them.
- NPI issued2016 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Massachusetts
There are 336 child & adolescent psychiatry physician records in Massachusetts.
All 336 in Massachusetts → Every provider in Methuen → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Richard Johansson, M.D.Methuen, MA 018441255549176
- Stacey Millina, MDMethuen, MA 018441841464146
- Marina Vijayakanthan, M.D.North Andover, MA 018451164798617
- Claire Bogan, DOLawrence, MA 018411164915443
- Laura Musikant-Weiser, M.D.Lowell, MA 018521972558799
- Mark Robbins, M.D.Tewksbury, MA 018761487672515
- Frances Burger, M.D.Andover, MA 018101972539559
- James Uhl, MDWakefield, MA 018801386708360
Common questions
What is Sandra Diaz, DO's NPI number?
Sandra Diaz, DO's National Provider Identifier (NPI) is 1730539602, issued on Jun 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Diaz, DO located?
The NPPES record lists a practice address at 100A Haverhill St, Methuen, MA, 01844. Phone: (978) 682-5276. Providers update this record themselves, so call before visiting.
How can I verify Sandra Diaz, DO's license?
NPPES lists Massachusetts license number 287520, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sandra Diaz, DO prescribe under Medicare Part D?
In 2024, Sandra Diaz, DO had 31 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.