Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LYDIA R FERNANDEZ MD
NPI 1730143918
Psychiatry & Neurology - Psychiatry in San Juan, PR

Q: What is Lydia Fernandez's NPI number?

The NPI number for Lydia Fernandez is 1730143918. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Q: What is Lydia Fernandez's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lydia Fernandez was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.

Active since April 14, 2006PECOS Enrolled

HOSPITAL DE PSIQUIATRIA DR RAMON FERNANDEZ MARINA, CALLE CASI BO MONACILLOS, SAN JUAN, PR 00922(787) 296-2409(787) 296-2409 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Lydia R Fernandez Md NPPES

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

LYDIA R FERNANDEZ MD (NPI 1730143918) is an individual psychiatry provider in San Juan, Puerto Rico, licensed in Puerto Rico (7023) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730143918

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameLYDIA R FERNANDEZCredential: MD

Location AddressHOSPITAL DE PSIQUIATRIA DR RAMON FERNANDEZ MARINA, CALLE CASI BO MONACILLOSSan Juan, PR 00922-2100

Mailing AddressC-64 Diamante, Golden Gate CaparraGuaynabo, PR 00968 · (787) 385-8088 · Fax (787) 296-2409

Phone(787) 296-2409

Fax(787) 296-2409

Sole ProprietorNo

Enumeration DateApril 14, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1730143918 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 · 7023

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.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lydia R Fernandez Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00922 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CLORINDA BARRIENTOS CABEZAS MD

Psychiatry & Neurology (Psychiatry)

HOSPITAL DE PSIQUIATRIA DR RAMON FERNANDEZ MARINA, BO MONACILLOS
SAN JUAN, PR 00922

San Juan Municipio (787) 766-4646

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 Lydia Fernandez's NPI number?

The NPI number for Lydia Fernandez is 1730143918. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Lydia Fernandez located?

Lydia Fernandez practices at Hospital De Psiquiatria Dr Ramon Fernandez Marina Calle Casi Bo Monacillos, San Juan, PR 00922. The listed phone number is (787) 296-2409.

What is Lydia Fernandez's specialty?

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

Is Lydia Fernandez enrolled in Medicare?

Yes. Lydia Fernandez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lydia Fernandez was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.