Doctor profile · Federal record

Dr. Rosa Lozada Sierra, M.D.

Cornea and External Diseases Specialist Physician (CMS: Ophthalmology) · San Juan, PR

  • NPI 1154707206
  • 6 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
239 Ave Arterial Hostos Ste 306
San Juan, PR 009181475
(787) 250-1746
Additional location
708 Ave Ponce de Leon Ste 202
San Juan, PR 009184520
(787) 250-0812
Mailing address
Po Box 845347
Dallas, TX 752845347

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
November 10, 2021
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207WX0120X — NUCC code
State license (1)
Puerto Rico #19445

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154707206. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
74
Distinct HCPCS
4
Medicare allowed
$13,917
HCPCS Description Services Patients Avg allowed
92004 New patient complete exam of visual system 23 23 $136
92012 Established patient problem focused exam of visual system 22 16 $85
92014 Established patient complete exam of visual system 15 13 $120
66984 Removal of cataract with insertion of prosthetic lens 14 11 $508

In context: peer comparison

Among 2 peers in this city , average services per provider: 25. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Puerto Rico Inc 1 $19.62

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,488
Patients
880
Total drug cost
$97,674
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 495 271 $18,520
Ofloxacin Generic 240 181 $4,328
Ketorolac Tromethamine Generic 219 164 $10,630
Ciprofloxacin Hcl Generic 142 108 $1,647
Fluorometholone Generic 87 53 $6,281
Latanoprost Generic 86 29 $951
Restasis (Cyclosporine) Brand 56 15 $33,445
Lumigan (Bimatoprost) Brand 47 14 $11,781
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 38 33 $1,967
Loteprednol Etabonate Generic 22 0 $3,942

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosa Lozada Sierra's medical specialty?
Dr. Rosa Lozada Sierra practices Cornea and External Diseases Specialist Physician in San Juan, PR.
Where does Dr. Rosa Lozada Sierra practice?
Dr. Rosa Lozada Sierra practices at 239 Ave Arterial Hostos Ste 306, San Juan, PR 009181475. Office phone: 7872501746.
What is Dr. Rosa Lozada Sierra's NPI?
Dr. Rosa Lozada Sierra's National Provider Identifier (NPI) is 1154707206, issued by NPPES.
Does Dr. Rosa Lozada Sierra accept Medicare assignment?
Dr. Rosa Lozada Sierra does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Rosa Lozada Sierra commonly perform?
Top Medicare-reported procedures in 2023: New patient complete exam of visual system (HCPCS 92004); Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.