Jose Sigfredo Diaz, MD
Child & Adolescent Psychiatry Physician · Mayaguez, PR
Jose Sigfredo Diaz, MD is a child & adolescent psychiatry physician with a practice address in Mayaguez, Puerto Rico, and NPI 1629294939, issued on Apr 17, 2007. Check the license (Puerto Rico 9088, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jose Sigfredo Diaz
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 9088 PR
Self-reported in NPPES; status is on the state search - Practice location
- 118 Calle Lealtad, Mayaguez, PR 00680
- Phone
- (787) 436-4848
- Enumerated
- Apr 17, 2007
- Record last updated
- Nov 10, 2023
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 82 in Puerto Rico → Look up another NPI →
Verify Jose Sigfredo Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 9088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.7 times the Medicare Part D claims of the average child & adolescent psychiatry physician in 2024
3,353 Medicare Part D claims for 359 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were under 1% of claims.
Most prescribed
- Clonazepam359 claims
- Mirtazapine264 claims
- Buspirone Hcl237 claims
- Quetiapine Fumarate234 claims
- Sertraline Hcl222 claims
- Escitalopram Oxalate220 claims
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.
Jose Sigfredo Diaz among 82 child & adolescent psychiatry physician records in Puerto Rico
Jose Sigfredo Diaz, MD is one of 82 child & adolescent psychiatry physician records with a practice address in Puerto Rico. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 32% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2023 · 54% 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 Puerto Rico 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 Puerto Rico
There are 82 child & adolescent psychiatry physician records in Puerto Rico.
All 82 in Puerto Rico → Every provider in Mayaguez → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Maria Del Mar Estremera, M.D.Manati, PR 006741619164662
- Luzmarie Saavedra, M.D.Manati, PR 006741710391032
- Robert Toro, MDManati, PR 006741598736092
- Juan Soto, M.D.Vega Alta, PR 006921023159050
- Sharon Gonzalez Barbosa, MDIsabela, PR 006621114364171
- Katia Liberatore Gallardo, M.D.Aibonito, PR 007051508077900
- Marialis Torres-Rodriguez, MDAibonito, PR 007051780109975
- Mario Gonzalez-Torres, M.D., DABPNDorado, PR 006461962650085
Common questions
What is Jose Sigfredo Diaz, MD's NPI number?
Jose Sigfredo Diaz, MD's National Provider Identifier (NPI) is 1629294939, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jose Sigfredo Diaz, MD located?
The NPPES record lists a practice address at 118 Calle Lealtad, Mayaguez, PR, 00680. Phone: (787) 436-4848. Providers update this record themselves, so call before visiting.
How can I verify Jose Sigfredo Diaz, MD's license?
NPPES lists Puerto Rico license number 9088, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Jose Sigfredo Diaz, MD prescribe under Medicare Part D?
In 2024, Jose Sigfredo Diaz, MD had 3,353 Medicare Part D claims for 359 beneficiaries; 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.