FLOR MARIA DIAZ FONTAN M.D.
NPI 1376794529
Psychiatry & Neurology - Psychiatry in San Juan, PR

Active since October 07, 2008PECOS Enrolled
ASHFORD AVE., COND. ASHFORD 1000, APT. 4, SAN JUAN, PR 00907(787) 627-9606 Get Directions Write a Review

NPPES record last updated: October 7, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Flor Maria Diaz Fontan M.d. NPPES

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

FLOR MARIA DIAZ FONTAN M.D. (NPI 1376794529) is an individual psychiatry provider in San Juan, Puerto Rico, licensed in Puerto Rico (9615) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376794529
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameFLOR MARIA DIAZ FONTANCredential: M.D.
Location AddressASHFORD AVE., COND. ASHFORD 1000, APT. 4San Juan, PR 00907-1148
Mailing AddressAshford Ave., Ashford 1000, Apt. 4San Juan, PR 00907-1148 · (787) 627-9606
Sole ProprietorYes
Enumeration DateOctober 7, 2008
✔ NPI 1376794529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in PR · 9615
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
ASHFORD AVE., COND. ASHFORD 1000, San Juan, PR 00907

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Flor Maria Diaz Fontan M.d. 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

2

Medicare enrollment records show Flor Diaz Fontan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatric Hospital
TORRE DE AUXILIO MUTUO, OFICINA 410
Hato Rey, PR 00918
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 185 clinicians in this Medicare group
Specialist
CALLE JOSE C VAZQUEZ, BO CAONILLAS
Aibonito, PR 00705
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 205 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00907 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.44 typical visit price
range $56.86 – $172.44
Typical copayment $43.11 (range $14.21 – $43.11)
Most-billed visit code 99205
Established Patient
$70.88 typical visit price
range $18.24 – $140.44
Typical copayment $17.72 (range $4.56 – $35.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Flor Diaz Fontan's NPI number?

The NPI number for Flor Diaz Fontan is 1376794529. It was assigned to this individual provider in the NPPES registry on October 7, 2008.

Where is Flor Diaz Fontan located?

Flor Diaz Fontan practices at Ashford Ave., Cond. Ashford 1000 Apt. 4, San Juan, PR 00907. The listed phone number is (787) 627-9606.

What is Flor Diaz Fontan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Flor Diaz Fontan enrolled in Medicare?

Yes. Flor Diaz Fontan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Flor Diaz Fontan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Flor Diaz Fontan reassigns Medicare benefits to 2 organizations: Inspira Behavioral Care Corp. (Hato Rey, PR) and Mennonite General Hospital Inc (Aibonito, PR). 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 Flor Diaz Fontan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Flor Diaz Fontan was last updated on October 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.