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MS. NILMAR NIEVES ORTIZ MD
NPI 1518416239
Obstetrics & Gynecology in San Juan, PR

Active since September 22, 2016PECOS EnrolledAccepts Medicare Assignment
550 CALLE SERGIO CUEVAS BUSTAMANTE AVE DOMENECH, SAN JUAN, PR 00918(787) 758-8383(787) 763-9758 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 4, 2025, Aug 1, 2022, Sep 22, 2016 (3 updates tracked since 2016).

About Ms. Nilmar Nieves Ortiz Md NPPES

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

MS. NILMAR NIEVES ORTIZ MD (NPI 1518416239) is an individual obstetrics & gynecology provider in San Juan, Puerto Rico, licensed in Puerto Rico (21617) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1518416239
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMS. NILMAR NIEVES ORTIZCredential: MD
Location Address550 CALLE SERGIO CUEVAS BUSTAMANTE AVE DOMENECHSan Juan, PR 00918
Mailing AddressPo Box 364708San Juan, PR 00936-4708 · (787) 758-8383 · Fax (787) 763-9758
Phone(787) 758-8383
Fax(787) 763-9758
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 22, 2016
Last NPPES UpdateNovember 4, 20253 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1518416239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in PR · 21617
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Nilmar Nieves Ortiz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173014040
PECOS Enrollment IDI20251118004568
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 00918 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
$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.

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 Nilmar Nieves Ortiz's NPI number?

The NPI number for Nilmar Nieves Ortiz is 1518416239. It was assigned to this individual provider in the NPPES registry on September 22, 2016.

Where is Nilmar Nieves Ortiz located?

Nilmar Nieves Ortiz practices at 550 Calle Sergio Cuevas Bustamante Ave Domenech, San Juan, PR 00918. The listed phone number is (787) 758-8383.

What is Nilmar Nieves Ortiz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nilmar Nieves Ortiz enrolled in Medicare?

Yes. Nilmar Nieves Ortiz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Nilmar Nieves Ortiz was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.