COMMONWEALTH HEALTH LLC
NPI 1356154991
Dermatology in San Juan, PR

Q: What is Commonwealth Health LLC's NPI number?

The NPI number for Commonwealth Health LLC is 1356154991. It was assigned to this organization in the NPPES registry on January 28, 2025. The provider is doing business as Fitzgeraldo Sanchez MD.

Q: What is Commonwealth Health LLC's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Active since January 28, 2025CLIA 40D2335995 · Certificate of Compliance

520 CALLE JUAN J JIMENEZ, SAN JUAN, PR 00918(787) 751-6018(787) 751-6018 Get Directions Write a Review

NPPES record last updated: January 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Commonwealth Health Llc NPPES

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

COMMONWEALTH HEALTH LLC (NPI 1356154991), doing business as Fitzgeraldo Sanchez Md, is a healthcare organization registered as a dermatology in San Juan, Puerto Rico and active in the NPI registry since January 2025. The organization holds a CLIA Certificate of Compliance certificate valid through April 16, 2028 and lists Fitzgeraldo Sanchez, Ceo, as its authorized official.

NPPES Registry Identity

NPI1356154991

Entity TypeOrganization

Primary Taxonomy207N00000X

Legal Business NameCOMMONWEALTH HEALTH LLC

Location Address520 CALLE JUAN J JIMENEZSan Juan, PR 00918-2605

Mailing Address520 Calle Juan J JimenezSan Juan, PR 00918-2605 · (787) 751-6018 · Fax (787) 751-6018

Phone(787) 751-6018

Fax(787) 751-6018

Organization SubpartNo

Authorized OfficialFitzgeraldo SanchezCeo · (787) 751-6018

Enumeration DateJanuary 28, 2025

NPPES CertifiedJanuary 28, 2025

✔ NPI 1356154991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X

Also ListedDermatology · DermatopathologyTaxonomy 207ND0900X

Also ListedDermatology · Clinical & Laboratory Dermatological ImmunologyTaxonomy 207NI0002X

Also ListedDermatology · Pediatric DermatologyTaxonomy 207NP0225X

Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedPathology · DermatopathologyTaxonomy 207ZD0900X

Also ListedPediatricsTaxonomy 208000000X

Also ListedPlastic SurgeryTaxonomy 208200000X

Other Names 1

Doing Business AsFitzgeraldo Sanchez Md

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Commonwealth Health Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Commonwealth Health LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Fitzgeraldo Sanchez, MD

Dermatology

NPI 1053440867

117 E 18TH ST # FR1
New York, NY 10003

(212) 673-5633

✔ PECOS✔ Accepts Medicare

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 40D2335995

Commonwealth Health, LLC · San Juan, PR

Active · expires Apr 16, 2028

CLIA Number40D2335995

Laboratory TypePhysician Office

Certificate Effective DateApril 17, 2026

Certificate Expiration DateApril 16, 2028

Laboratory DirectorDr. Fitzgeraldo A. Sanchez

Laboratory Phone(939) 242-0138

Laboratory LocationCommonwealth Health, LLC520 Calle Juan J Jimenez, San Juan, PR 00918

CLIA data matches this NPI record on: Address Name

This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Commonwealth Health LLC's NPI number?

The NPI number for Commonwealth Health LLC is 1356154991. It was assigned to this organization in the NPPES registry on January 28, 2025. The provider is doing business as Fitzgeraldo Sanchez MD.

Where is Commonwealth Health LLC located?

Commonwealth Health LLC is located at 520 Calle Juan J Jimenez, San Juan, PR 00918. The listed phone number is (787) 751-6018.

What is Commonwealth Health LLC's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Commonwealth Health LLC enrolled in Medicare?

Yes. Commonwealth Health LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Commonwealth Health LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Commonwealth Health LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Commonwealth Health LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 40D2335995) is associated with this NPI, valid through April 16, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Commonwealth Health LLC was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.