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DR. WILLIAM OMAR MARRERO ORTIZ MD
NPI 1619418027
Internal Medicine - Geriatric Medicine in San Juan, PR

Active since March 17, 2017PECOS Enrolled
735 AVE PONCE DE LEON STE 415, SAN JUAN, PR 00917(787) 768-9813 Get Directions Write a Review

NPPES record last updated: May 24, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2020, Aug 18, 2019, Mar 17, 2017 (3 updates tracked since 2017).

About Dr. William Omar Marrero Ortiz Md NPPES

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

DR. WILLIAM OMAR MARRERO ORTIZ MD (NPI 1619418027) is an individual geriatric medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (23096) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619418027
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. WILLIAM OMAR MARRERO ORTIZCredential: MD
Location Address735 AVE PONCE DE LEON STE 415San Juan, PR 00917-5026
Mailing Address1509 Ave Ponce De Leon Apt 1173San Juan, PR 00909-1796
Phone(787) 768-9813
Sole ProprietorNo
Enumeration DateMarch 17, 2017
Last NPPES UpdateMay 24, 20243 updates tracked since enumeration
NPPES CertifiedMay 24, 2024
✔ NPI 1619418027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in PR · 23096
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License 23096 (PR)

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. William Omar Marrero Ortiz 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 00917 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
$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 2

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

GABRIELA PABON CARTAGENA
Dermatology
735 AVE PONCE DE LEON STE 415
SAN JUAN, PR 00917
San Juan Municipio (787) 763-9813
PABON DERMATOLOGY, LLC
Dermatology
735 AVE PONCE DE LEON STE 415
SAN JUAN, PR 00917
San Juan Municipio (787) 763-9813

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 William Marrero Ortiz's NPI number?

The NPI number for William Marrero Ortiz is 1619418027. It was assigned to this individual provider in the NPPES registry on March 17, 2017.

Where is William Marrero Ortiz located?

William Marrero Ortiz practices at 735 Ave Ponce De Leon Ste 415, San Juan, PR 00917. The listed phone number is (787) 768-9813.

What is William Marrero Ortiz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is William Marrero Ortiz enrolled in Medicare?

Yes. William Marrero Ortiz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Marrero Ortiz was last updated on May 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.