Flor Maria Diaz Fontan, M.D.
Psychiatry Physician · San Juan, PR
Flor Maria Diaz Fontan, M.D. is a psychiatry physician with a practice address in San Juan, Puerto Rico, and NPI 1376794529, issued on Oct 7, 2008. Check the license (Puerto Rico 9615, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Flor Maria Diaz Fontan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 9615 PR
Self-reported in NPPES; status is on the state search - Practice location
- Ashford Ave., Cond. Ashford 1000, San Juan, PR 00907
- Phone
- (787) 627-9606
- Enumerated
- Oct 7, 2008
- Record last updated
- Oct 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170315001900); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 403 in Puerto Rico → Look up another NPI →
Verify Flor Maria Diaz Fontan 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 9615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15.3 times the Medicare Part D claims of the average psychiatry physician in 2024
15,254 Medicare Part D claims for 999 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were under 1% of claims.
Most prescribed
- Clonazepam1,927 claims
- Temazepam1,282 claims
- Sertraline Hcl1,173 claims
- Trazodone Hcl991 claims
- Lorazepam922 claims
- Mirtazapine874 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.
Industry payments in 2024: $233.85
3 payments; by number, the most common kind was food and beverage; the largest payer was Tris Pharma Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Bills Medicare through one group practice
- Inspira Behavioral Care CorpRio Grande, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Flor Maria Diaz Fontan among 403 psychiatry physician records in Puerto Rico
Flor Maria Diaz Fontan, M.D. is one of 403 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 2008, is newer than 72% of them.
- NPI issued2008 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated1989 · median 1995 among the 121 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 psychiatry physician records list a practice address in San Juan
They are 168 of the 8,960 NPPES records with a practice address in San Juan, and 403 psychiatry physician records in Puerto Rico.
All 403 in Puerto Rico → Every provider in San Juan → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Hector Bird, M.D.San Juan, PR 009071235146606
- Luis Canepa, MDSan Juan, PR 009071558582932
- Ileana Fumero, M.D.San Juan, PR 009071083828578
- Jaime Fuster, M.D.San Juan, PR 009071609060904
- Rafael Guindin, M.D.San Juan, PR 009071770618654
- Sofia Medina Oliveras, M.D.San Juan, PR 009071821454281
- Ruben Millan-Benitez, M.D.San Juan, PR 009071073531315
- Angel Narvaez, MDSanturce, PR 009071255483350
Common questions
What is Flor Maria Diaz Fontan, M.D.'s NPI number?
Flor Maria Diaz Fontan, M.D.'s National Provider Identifier (NPI) is 1376794529, issued on Oct 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Flor Maria Diaz Fontan, M.D. located?
The NPPES record lists a practice address at Ashford Ave., Cond. Ashford 1000, San Juan, PR, 00907. Phone: (787) 627-9606. Providers update this record themselves, so call before visiting.
How can I verify Flor Maria Diaz Fontan, M.D.'s license?
NPPES lists Puerto Rico license number 9615, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Flor Maria Diaz Fontan, M.D. prescribe under Medicare Part D?
In 2024, Flor Maria Diaz Fontan, M.D. had 15,254 Medicare Part D claims for 999 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.