Frances Marrero Barrera, MD
NPI 1275049488 · Cornea and External Diseases Specialist Physician · Caguas, PR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frances Marrero Barrera, MD is a Cornea and External Diseases Specialist Physician provider in Caguas, PR (NPI 1275049488).
Provider details
- NPI number
- 1275049488
- Entity type
- Individual
- Primary specialty
- Cornea and External Diseases Specialist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 23272 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
166 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 57 | $122 |
| Imaging of Retina92134 | 40 | $39 |
| Photography of the Retina92250 | 24 | $36 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 23 | $15 |
| New Patient Complete Exam of Visual System92004 | 22 | $146 |
Typical Medicare-allowed amounts for these services range $15–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 795 | 400 |
| Ofloxacin | 470 | 327 |
| Latanoprost | 337 | 80 |
| Fluorometholone | 319 | 202 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 175 | 75 |
| Timolol Maleate | 130 | 41 |
| Cyclosporine | 114 | 39 |
| Brimonidine Tartrate | 111 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$271 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Mailing address
Registry dates
- Enumerated
- 2017-12-26
- Last updated
- 2023-08-04
- Certified
- 2023-08-02
Frequently asked questions
- What is Frances Marrero Barrera's NPI number?
- Frances Marrero Barrera's National Provider Identifier (NPI) is 1275049488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frances Marrero Barrera's specialty?
- Frances Marrero Barrera is listed in the NPPES registry with a primary specialty of Cornea and External Diseases Specialist Physician (Allopathic & Osteopathic Physicians).
- Where is Frances Marrero Barrera located?
- Frances Marrero Barrera's practice location on file with NPPES is 1 Ave Fomento Ste 245, Caguas, PR 00725-5700.
- What is Frances Marrero Barrera's phone number?
- The practice phone number listed in the NPPES registry for Frances Marrero Barrera is (787) 641-3030.
- Does Frances Marrero Barrera accept Medicare?
- Frances Marrero Barrera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frances Marrero Barrera's NPI active?
- Yes — Frances Marrero Barrera's NPI (1275049488) is active in the NPPES registry as of the last update on 2023-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.