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JOSE MARCOS MARIANI OSTOLAZA I
NPI 1699221515
General Practice in Castaner, PR

Active since August 31, 2016PECOS Enrolled
CASTANER GENERAL HOSPITAL, CARR 135 KM 64.2, CASTANER, PR 00601(787) 829-5010 Get Directions Write a Review

NPPES record last updated: April 4, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 4, 2019, Aug 31, 2016 (2 updates tracked since 2016).

About Jose Marcos Mariani Ostolaza I NPPES

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

JOSE MARCOS MARIANI OSTOLAZA I (NPI 1699221515) is an individual general practice provider in Castaner, Puerto Rico, licensed in Puerto Rico (19792) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Rio Piedras.

NPPES Registry Identity

NPI1699221515
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameJOSE MARCOS MARIANI OSTOLAZA I
Location AddressCASTANER GENERAL HOSPITAL, CARR 135 KM 64.2Castaner, PR 00601
Mailing AddressC14 Bda La OlimpiaAdjuntas, PR 00601-2368 · (787) 214-7445
Phone(787) 829-5010
Sole ProprietorYes
Enumeration DateAugust 31, 2016
Last NPPES UpdateApril 4, 20192 updates tracked since enumeration
✔ NPI 1699221515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
Licenses✔ Licensed in PR · 19792✔ Licensed in PR · 14178-I
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Secondary Practice Location 1

Location 1150 Ave Americo Miranda, Centro Medico Bo MonacillosRio Piedras, PR 00935 · Phone (787) 763-4149

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jose Marcos Mariani Ostolaza I 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 Reassignment

Medicare enrollment records show Jose Mariani Ostolaza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospital General De Castaner Inc
General Acute Care Hospital
ROAD 135 KM 64 2
Castaner, PR 00631
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 38 clinicians in this Medicare group
NPI 1760486344 (787) 829-5010

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

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 Jose Mariani Ostolaza's NPI number?

The NPI number for Jose Mariani Ostolaza is 1699221515. It was assigned to this individual provider in the NPPES registry on August 31, 2016.

Where is Jose Mariani Ostolaza located?

Jose Mariani Ostolaza practices at Castaner General Hospital Carr 135 Km 64.2, Castaner, PR 00601. The listed phone number is (787) 829-5010.

What is Jose Mariani Ostolaza's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Jose Mariani Ostolaza enrolled in Medicare?

Yes. Jose Mariani Ostolaza is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jose Mariani Ostolaza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jose Mariani Ostolaza reassigns Medicare benefits to Hospital General De Castaner Inc (Castaner, PR). The 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 Jose Mariani Ostolaza'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 Jose Mariani Ostolaza was last updated on April 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.