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

DR. OSCAR ARILL M.D.
NPI 1871540724
Internal Medicine - Rheumatology in San Juan, PR

Q: What is Oscar Arill's NPI number?

The NPI number for Oscar Arill is 1871540724. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Q: What is Oscar Arill's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Oscar Arill 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 30 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 May 27, 2006PECOS Enrolled

10 CALLE CASIA, VA MEDICAL CENTER DEPT. OF MEDICINE, SAN JUAN, PR 00921(787) 758-7575 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 Dr. Oscar Arill M.d. NPPES

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

DR. OSCAR ARILL M.D. (NPI 1871540724) is an individual rheumatology provider in San Juan, Puerto Rico, licensed in Puerto Rico (7346) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871540724

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. OSCAR ARILLCredential: M.D.

Location Address10 CALLE CASIA, VA MEDICAL CENTER DEPT. OF MEDICINESan Juan, PR 00921-3200

Mailing Address74 Calle Parque Del Oriente, Urb. Paseo Del ParqueSan Juan, PR 00926-6523

Phone(787) 758-7575

Sole ProprietorNo

Enumeration DateMay 27, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1871540724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in PR · 7346

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Oscar Arill 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00921 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

$130.65 typical visit price

range $56.86 – $172.44

Typical copayment $32.66 (range $14.21 – $43.11)

Most-billed visit code 99204

Established Patient

$100.24 typical visit price

range $18.24 – $140.44

Typical copayment $25.06 (range $4.56 – $35.11)

Most-billed visit code 99214

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 20

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

VIRIANA DIEZ GUTIERREZ M.D.

Psychiatry & Neurology (Psychiatry)

10 CALLE CASIA
SAN JUAN, PR 00921

San Juan Municipio (787) 641-3659

FELIX OMAR GARCIA PHARMACY TECHNICIAN

Pharmacy Technician

10 CALLE CASIA
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

JOAN DIAZ RD

Dietitian, Registered

10 CALLE CASIA
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

VERONICA LUCIANO RD

Dietitian, Registered

10 CALLE CASIA
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

MR. LIZANDRO CARRASQUILLO MED,RRT

Respiratory Therapist, Registered

10 CALLE CASIA, SAN JUAN
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

SANDRA ESTHER RIVERA M.D.

Psychiatry & Neurology (Psychiatry)

10 CALLE CASIA
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

DR. KAREN MALARET PSY.D.

Psychologist (Clinical)

10 CALLE CASIA, VA CARIBBEAN HEALTHCARE SYSTEM
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

DIEGO IGNACIO ORTIZ

Internal Medicine

10 CALLE CASIA
SAN JUAN, PR 00921

San Juan Municipio (787) 641-7582

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 Oscar Arill's NPI number?

The NPI number for Oscar Arill is 1871540724. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Oscar Arill located?

Oscar Arill practices at 10 Calle Casia VA Medical Center Dept. Of Medicine, San Juan, PR 00921. The listed phone number is (787) 758-7575.

What is Oscar Arill's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Oscar Arill enrolled in Medicare?

Yes. Oscar Arill is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oscar Arill 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 30 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.