2026 NPPES data Ophthalmology Physician NPI 1518507862 MD
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FABIOLA RAMOS NIEVES, MD

Ophthalmology Physician in SAN JUAN, Puerto Rico. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
197
Medicare Part D claims · 83 beneficiaries · Ophthalmology Physician avg: 1K
Generic prescribing
65%
generic claims · 35% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: FABIOLA RAMOS NIEVES, MD is a Ophthalmology Physician ([object Object]) practicing in SAN JUAN, Puerto Rico with a Medicare Part D prescribing footprint of 197 claims across 83 beneficiaries — 35% brand-name prescribing .

What stands out: FABIOLA RAMOS NIEVES, MD filed 197 Medicare Part D claims in 2023 across SAN JUAN, Puerto Rico. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

FABIOLA RAMOS NIEVES, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

FABIOLA RAMOS NIEVES, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 01/14/2020

NPI 1518507862

Primary specialty

Ophthalmology Physician

Mid-sized

22,090 US NPIs in this specialty

Medicare Part D claims

197 86% vs specialty avg

2023 prescription claims

Specialty avg: 1,420

Specialty distribution in Puerto Rico

How Ophthalmology Physician compares to other specialties among Puerto Rico providers

Puerto Rico providers

Ophthalmology Physician share within Puerto Rico

1. Ophthalmology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Ophthalmology Physician share within Puerto Rico

Specialty board-certification context

Estimated specialty board-certified rate — Ophthalmology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Ophthalmology Physician ABMS/AOA estimate

Est. board-certified rate (Ophthalmology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Ophthalmology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

FABIOLA RAMOS NIEVES, MD is a Ophthalmology Physician provider practicing in SAN JUAN, Puerto Rico, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1518507862. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

FABIOLA RAMOS NIEVES, MD appears in the CMS NPPES registry as a Ophthalmology Physician provider holding MD credentials at 600 AVE JESUS T PINERO APT 1702, SAN JUAN, PR, 00918, with a listed phone of (939) 229-0992. NPI 1518507862 was issued on 01/14/2020. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what RAMOS NIEVES most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 197 prescription claims written by this provider, covering 83 Medicare beneficiaries and totaling roughly $9K in drug spend, split 35% brand-name and 65% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Ophthalmology Physician is a mid-sized specialty nationwide, with 22,090 enrolled providers across 56 states and an average of 1,420 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

600 AVE JESUS T PINERO APT 1702
SAN JUAN, PR 00918

Provider Details

NPI 1518507862
Specialty Ophthalmology Physician
Credentials MD
Gender Female
NPI Issued 01/14/2020

Hospital and facility affiliations

Facilities where FABIOLA RAMOS NIEVES, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

INSTITUTO DE OJOS Y PIEL, INC
CAROLINA, PR

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Brand vs generic prescribing mix · Above average

FABIOLA RAMOS NIEVES, MD — brand share 35.0%
Specialty average (est.)

35% brand-name claims vs 65% generic, on 197 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

197
Total Claims
$9K
Total Drug Cost
83
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
249
Total Day Supply
5,882
Brand vs Generic
35% brand / 65% generic
Brand Drug Cost
$5K
Generic Drug Cost
$4K

Patient Demographics

Average Patient Age
67.3 years
Avg HCC Risk Score
1.92
Gender Split
49% female / 51% male
Age Distribution
<65: 23, 65-74: 36, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Prednisolone Acetate
30
Latanoprost
24
Brimonidine Tartrate
15

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Ophthalmology Physician Overview

How FABIOLA RAMOS NIEVES, MD fits within the Ophthalmology Physician landscape nationally.

22,090
Ophthalmology Physician Providers in US
56
States with Ophthalmology Physician
1,420
Avg Claims per Provider

FABIOLA RAMOS NIEVES, MD's 197 claims are below the specialty average of 1,420.

Nearby Ophthalmology Physician Providers in Puerto Rico

Other clinicians with the same primary specialty enrolled in Puerto Rico, drawn from the same CMS NPPES roster as RAMOS NIEVES.

Compare Ophthalmology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is FABIOLA RAMOS NIEVES, MD's specialty?
FABIOLA RAMOS NIEVES, MD specializes in Ophthalmology Physician and practices in SAN JUAN, Puerto Rico. Credentials: MD.
How much does FABIOLA RAMOS NIEVES, MD prescribe under Medicare Part D?
In 2023, FABIOLA RAMOS NIEVES, MD wrote 197 Medicare Part D claims totaling $9K in drug costs for 83 beneficiaries.
Where is FABIOLA RAMOS NIEVES, MD located?
FABIOLA RAMOS NIEVES, MD is located at 600 AVE JESUS T PINERO APT 1702, SAN JUAN, PR, 00918. Phone: (939) 229-0992.
What is FABIOLA RAMOS NIEVES, MD's NPI number?
FABIOLA RAMOS NIEVES, MD's National Provider Identifier (NPI) is 1518507862, issued on 01/14/2020.
Does FABIOLA RAMOS NIEVES, MD prescribe more brand-name or generic drugs?
FABIOLA RAMOS NIEVES, MD's prescribing is 35% brand-name and 65% generic drugs by claim count, with $5K in brand drug costs.
How many Ophthalmology Physician providers are there in the US?
There are 22,090 Ophthalmology Physician providers across 56 states in the US. The average Ophthalmology Physician provider writes 1,420 Medicare Part D claims per year.
What drugs does FABIOLA RAMOS NIEVES, MD prescribe most often?
Based on 2023 Medicare Part D data, FABIOLA RAMOS NIEVES, MD's most frequently prescribed drugs include Prednisolone Acetate, Latanoprost, Brimonidine Tartrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does FABIOLA RAMOS NIEVES, MD accept Medicare?
FABIOLA RAMOS NIEVES, MD appears in CMS Medicare data with 197 Part D claims and 83 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify FABIOLA RAMOS NIEVES, MD's credentials?
FABIOLA RAMOS NIEVES, MD's NPI is 1518507862 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology