Areas
Online Doctor in Central Puerto Rico: Naranjito, Corozal, Barranquitas, Orocovis and Comerío
If you need an online doctor in central Puerto Rico, Dr. Diana Nieves Castro, MD, sees patients of all ages by video in Naranjito, Corozal, Barranquitas, Orocovis and Comerío. For an emergency, Salud Integral en la Montaña (SIM) runs ERs for adults and children open 24 hours in Barranquitas, Naranjito and Orocovis, and one in Corozal open 7 a.m. to 11 p.m.
Is it an emergency? Call 911.
Video only
We are a telehealth-only service: we have no office or clinic in this area or anywhere else in Puerto Rico. If you need to be seen in person, this guide shows where to go.
Is this an emergency?
This is not an emergency service. Call 911 or go to the nearest emergency room if you have:
- Chest pain, shortness of breath or stroke signs
- A child who is struggling to breathe, very listless or not drinking
- Dengue with severe belly pain, nonstop vomiting or bleeding
- A baby under 3 months with a fever
Help lines
SIM's network of emergency rooms in the center of the island
In the center of the island, most ERs are not in hospitals but in the community health centers of Salud Integral en la Montaña (SIM), a nonprofit. Per its site, SIM runs four ERs for adults and children open 24 hours a day, seven days a week (Barranquitas, Naranjito, Orocovis and Toa Alta), and one in Corozal open daily from 7 a.m. to 11 p.m. Comerío has no ER.
In an emergency call 911. None of these places is affiliated with us. Addresses are each center's site address in federal HRSA data.
SIM Barranquitas, CSI Barranquitas, 53 Calle Barceló #156. ER phone 787-857-5437. Adults and children, 24 hours.
SIM Naranjito, CSI Naranjito, Route 164, El Desvío sector, Bo. Achiote. ER phone 787-869-2240. Adults and children, 24 hours.
SIM Orocovis, CSI Orocovis, Ave Luis Muñoz Marín. ER phone 787-867-7174. Adults and children, 24 hours.
SIM Corozal III, Route 159, Corozal. ER phone 787-999-4103. 7 a.m. to 11 p.m. only, every day.
Nearest hospitals (per CMS): Hospital Menonita de Aibonito, Calle José C. Vázquez, Bo. Caonillas, 787-735-8001 (Sistema de Salud Menonita), no published hours; Bayamón Medical Center, Route 2 Km 11.7, Bayamón, 787-620-8181.
Before you leave home
Why a video visit
For anything that isn’t an emergency, compare what each option takes.
| Comparison | Video visit | Emergency room | CDT or doctor’s office |
|---|---|---|---|
| Getting there | From home: join from your phone, tablet or computer. | Drive and find parking. | Drive and find parking. |
| Waiting room | Skip the waiting room: join from wherever you are in Puerto Rico. | Yes, a waiting room. | Yes, a waiting room. |
| Hours and time | We do not publish a wait time. Request a visit online 24/7 — we confirm your time by email or text. | In Puerto Rico, a median of 4 h 52 min from arrival to departure for patients sent home (US: 2 h 42 min; Oct 2024–Sep 2025).1,2 | An in-person visit takes about 2 hours on average, including travel.3 |
| Price | US$79 visit · US$49 follow-up · US$35 forms. You see it before you pay; no insurance needed. | Depends on your insurance and on what is done. | Depends on your insurance and on what is done. |
| Language | Spanish or English, with the same doctor. | Depends on the place. | Depends on the place. |
| Prescriptions | If appropriate, the doctor prescribes and we send your prescription to your pharmacy. | Yes, if needed. | Yes, if needed. |
| When to go in person | If the doctor needs to examine you in person or run a test, she tells you and guides you. | In an emergency: chest pain, trouble breathing, weakness on one side or bleeding that won’t stop. Call 911. | If you need stitches, an X-ray or a test on the spot. |
For problems that are not emergencies. In an emergency, call 911.
Table sources
- 1. CMS Care Compare, “Timely and Effective Care – State”, measure OP-18b: median time in the emergency department, arrival to departure, for patients sent home (opens in a new tab), data for Oct 2024–Sep 2025 (accessed 2026-10-02)
- 2. CMS Care Compare, “Timely and Effective Care – National”, measure OP-18b (US figure) (opens in a new tab), data for Oct 2024–Sep 2025 (accessed 2026-10-02)
- 3. Ray KN et al., “Opportunity costs of ambulatory medical care in the United States,” Am J Manag Care 2015;21(8):567-74 (US data, 2003–2010) (opens in a new tab) (accessed 2026-10-02)
We found no published source for what a patient pays at an ER or a CDT in Puerto Rico, so we give no figure.
ER or video visit?
SIM's ERs are there for emergencies. For a cold, a urinary infection, a rash or a refill, a video visit happens from home: no mountain drive, no parking, and you skip the waiting room. Prices shown before you pay: doctor visit US$79, follow-up or refill US$49, forms US$35. In an emergency, call 911.
Online doctor in Naranjito
Naranjito has 29,516 residents (Census, 2024), slightly more than in 2020: one of the few mountain towns that grew. It is also the town in this guide closest to a 24-hour pharmacy counter, in Bayamón, about 6 miles away in a straight line.
- ER in town: SIM Naranjito, adults and children, 24 hours, 787-869-2240.
- Nearest hospital: Bayamón Medical Center (per CMS), 787-620-8181, about 8 miles.
- Walgreens, 615 Carr 152, 787-869-0110. Pharmacy counter: Mon–Fri 8 a.m.–6 p.m., Sat 9 a.m.–6 p.m.; closed Sunday. Store: 7 a.m.–10 p.m.
- Nearest 24-hour pharmacy counter: Walgreens, 4699 Route 5, Bayamón, 787-799-4699. Closed 1:30–2 a.m.
Online doctor in Corozal
Corozal, with 34,476 residents (Census, 2024), is the largest town here and the only one whose SIM ER is not open overnight: it closes at 11 p.m. After that, the nearest ERs are SIM Naranjito, about 5 miles away in a straight line, or a hospital.
- ER in town: SIM Corozal III, Route 159, 787-999-4103, 7 a.m.–11 p.m. daily.
- Another health center: CSI Corozal, 151 Route 891, 787-859-2560; HRSA lists 82.5 hours a week.
- Nearest hospitals: Doctors' Center Hospital Dorado (787-625-5050, per its site), about 8 miles; Centro Médico Wilma N. Vázquez, Vega Baja, about 9. See Dorado.
- Walgreens, 955 Carr 891, 787-859-5439. Pharmacy counter: Mon–Fri 8 a.m.–7 p.m., Sat 9 a.m.–6 p.m.; closed Sunday. Store: 7 a.m.–11 p.m.
- Nearest 24-hour pharmacy counter: Walgreens Bayamón, about 8 miles.
Online doctor in Barranquitas
Barranquitas has 29,281 residents (Census, 2024), more than in 2020, and the youngest population here: 20.9% are 65 or older. It has a 24-hour SIM ER but no Walgreens; its nearest chain pharmacy and hospital are in Aibonito.
- ER in town: SIM Barranquitas, adults and children, 24 hours, 787-857-5437.
- Nearest hospital: Hospital Menonita de Aibonito (per CMS), 787-735-8001, about 4 miles in a straight line.
- There is no Walgreens in Barranquitas. The nearest is 305 Ave San José E, Aibonito, 787-991-7355, about 4 miles away. Counter: Mon–Fri 8 a.m.–8 p.m., Sat 9 a.m.–6 p.m., Sun 9 a.m.–5 p.m.
- Nearest 24-hour pharmacy counter: Walgreens, 5800 Ave Jesús T. Piñero, Cayey, 787-263-5166, about 12 miles.
Online doctor in Orocovis
Orocovis, with 21,260 residents (Census, 2024), has a 24-hour SIM ER but is far from everything else: the nearest hospital is about 10 miles away in a straight line, and the nearest chain pharmacy is in Morovis.
- ER in town: SIM Orocovis, adults and children, 24 hours, 787-867-7174.
- Nearest hospitals: Hospital Menonita de Aibonito (per CMS), 787-735-8001, about 10 miles; Centro Médico Wilma N. Vázquez, Vega Baja, about 15.
- There is no Walgreens in Orocovis. The nearest is 200 Carr 137, Morovis, about 7 miles away. Counter: Mon–Fri 8 a.m.–8 p.m., Sun 10 a.m.–6 p.m. See north central Puerto Rico.
- Nearest 24-hour pharmacy counter: Walgreens Bayamón, about 17 miles (Cayey, about 18).
Online doctor in Comerío
Comerío is the only one of the five towns without an ER of its own. It has 18,613 residents (Census, 2024) and a SIM health center with daytime hours.
- Health center in town: CSI Comerío, Calle Gerardo Nieves #18, 787-875-3375, run by SIM; HRSA lists 82.5 hours a week. It is not an ER.
- Nearest 24-hour ERs: SIM Naranjito, 787-869-2240, and SIM Barranquitas, 787-857-5437, each about 6 miles away in a straight line.
- Nearest hospitals: Hospital Menonita de Aibonito (per CMS), about 6 miles; Hospital Menonita de Cayey, with adult and pediatric ERs per its site, about 8. See Cayey.
- There is no Walgreens in Comerío. The nearest is in Naranjito, about 5 miles away, and it is closed on Sundays. That day, try Aibonito (until 5 p.m.).
- Nearest 24-hour pharmacy counter: Walgreens Cayey, about 9 miles.
How the doctor sees you in the center of the island
Dr. Diana Nieves Castro, MD, is a general practice physician licensed in Puerto Rico, with several years of emergency-department experience. She sees adults and children of all ages, in English or Spanish. She evaluates, diagnoses and treats; if needed, she gives you a lab order for a lab near you. If appropriate, the doctor prescribes and we send your prescription to your pharmacy. We do not prescribe controlled substances. With three of the five towns lacking a Sunday counter, a Saturday visit leaves time to pick up a prescription.
We send you a secure video link; it works on your phone, tablet or computer. Anyone under 21 needs a parent or legal guardian on the video, with photo ID. Request a visit online 24/7 — we confirm your time by email or text. Your card is charged when you request the visit (Apple Pay or Google Pay if they appear on the payment page), with a full refund if it can't happen.
- Doctor visit, US$79: new problems and non-emergency urgent care.
- Follow-up, US$49: a refill of a medicine you already take.
- Forms, US$35: school, university or job forms.
Dengue, and how this page was checked
The Puerto Rico Department of Health's week 37 report (published September 23, 2026) shows, for weeks 1–37 of 2026, 5 dengue cases in Naranjito, 4 in Barranquitas, 3 in Orocovis and 1 each in Corozal and Comerío, against 922 island-wide. Use repellent and learn the dengue warning signs.
Verified on October 2, 2026: SIM's ERs on its official site; hospitals in CMS data; pharmacy counters on each Walgreens page; health centers in HRSA data; population from the Census Bureau. Distances are straight lines, not drive times. We re-check these every quarter. See also Toa Baja and Toa Alta, Bayamón, Aibonito, Cidra and Aguas Buenas and all areas.
How we care for you
We evaluate, diagnose and treat; if needed, we give you a lab order for a lab near you.
We see adults and children of all ages. Patients under 21: a parent with patria potestad (parental authority) or a legal guardian is on camera for the whole visit and shows photo ID.
Real-time video visit. We send you a secure video link. It works on your phone, tablet or computer.
If appropriate, the doctor prescribes and we send your prescription to your pharmacy. We do not prescribe controlled substances.
You must be physically in Puerto Rico during the visit (visitors, tourists and cruise passengers are welcome).
In an emergency, call 911.
Frequently asked questions
Which ERs are open 24 hours in central Puerto Rico?
Where is the nearest ER to Comerío?
Which pharmacy is open on Sunday near Naranjito or Corozal?
Does the doctor see children by video in Orocovis or Barranquitas?
About this page
Author: The Health Initiative
Medical care provided by Dr. Diana Nieves Castro, MD (PR license 24027)
Disclosure: Founding Executive Director of The Health Initiative
Published: 2026-10-02 · Updated: 2026-10-02
Sources (17)
- Salud Integral en la Montaña (SIM): emergency rooms (Spanish) (opens in a new tab) (accessed 2026-10-02)
- CMS: Hospital General Information, Puerto Rico (opens in a new tab) (accessed 2026-10-02)
- CMS: Timely and Effective Care, state values (OP-18b) (opens in a new tab) (accessed 2026-10-02)
- CMS: Timely and Effective Care, national values (OP-18b) (opens in a new tab) (accessed 2026-10-02)
- Sistema de Salud Menonita: Hospital Menonita Cayey (Spanish) (opens in a new tab) (accessed 2026-10-02)
- Sistema de Salud Menonita: hospital phone numbers (Spanish) (opens in a new tab) (accessed 2026-10-02)
- Doctors' Center Hospital: Dorado location (Emergency Care) (opens in a new tab) (accessed 2026-10-02)
- HRSA: Health Center Service Delivery Sites (addresses, hours per week) (opens in a new tab) (accessed 2026-10-02)
- Walgreens, 615 Carr 152, Naranjito: hours (opens in a new tab) (accessed 2026-10-02)
- Walgreens, 955 Carr 891, Corozal: hours (opens in a new tab) (accessed 2026-10-02)
- Walgreens, 305 Ave San José E, Aibonito: hours (opens in a new tab) (accessed 2026-10-02)
- Walgreens, 200 Carr 137, Morovis: hours (opens in a new tab) (accessed 2026-10-02)
- Walgreens, 4699 Route 5, Bayamón: 24-hour pharmacy (opens in a new tab) (accessed 2026-10-02)
- Walgreens, 5800 Ave Jesús T. Piñero, Cayey: 24-hour pharmacy (opens in a new tab) (accessed 2026-10-02)
- U.S. Census Bureau: municipio population estimates by age, 2020–2024 (opens in a new tab) (accessed 2026-10-02)
- U.S. Census Bureau: 2024 Gazetteer place points (straight-line distances) (opens in a new tab) (accessed 2026-10-02)
- PR Department of Health: arboviral surveillance, week 37 of 2026 (Spanish) (opens in a new tab) (accessed 2026-10-02)