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Primary care doctor online in Puerto Rico

A primary care doctor online in Puerto Rico looks after you over time, by video: new concerns, prevention, lab tests and follow-up of your conditions. With us that doctor is Dr. Diana Nieves Castro, MD, a Puerto Rico-licensed general practice physician who sees adults and children of all ages, in English or Spanish. We evaluate, diagnose and treat; if needed, we give you a lab order for a lab near you.

$79Doctor visitChildren and adults of all ages

Is it an emergency? Call 911.

Pay now, then choose your time right away. Full refund if you cancel 24 hours or more ahead.

See the cancellation policy

You can cancel for a full refund or change the time up to 24 hours before your visit. Within 24 hours you can't cancel and there's no refund. If you don't join in the first 10 minutes, there's no refund.

If you choose a time less than 24 hours away, it can't be cancelled or changed.

If the clinic can't see you, for example because of a technical problem on our side, we refund you in full.

An older woman smiling as she uses her phone on the sofa at home

Is this an emergency?

This is not an emergency service. Call 911 or go to the nearest emergency room if you have:

  • Chest pain or pressure
  • Trouble breathing
  • A drooping face, weakness on one side or trouble speaking
  • A serious injury or bleeding that won't stop

Warning signs: when to go to the ER

What a primary care doctor does

A primary care doctor (a general doctor or general practitioner) is the doctor you see first. According to MedlinePlus, from the National Institutes of Health, a primary care provider gives preventive care, identifies and treats common medical problems, assesses how urgent a problem is and where it is best handled, and refers you to specialists when needed.

General practice is not limited to one organ or one age group: it covers most of what a person needs in a year. Dr. Diana Nieves Castro knows your history and looks after you over time, not only when something hurts, and because it is the same doctor each time, you do not have to start your story from scratch.

Before you leave home

Why a video visit

For anything that isn’t an emergency, compare what each option takes.

Why a video visit
ComparisonVideo visitEmergency roomCDT or doctor’s office
Getting thereFrom home: join from your phone, tablet or computer.Drive and find parking.Drive and find parking.
Waiting roomSkip the waiting room: join from wherever you are in Puerto Rico.Yes, a waiting room.Yes, a waiting room.
Hours and timeEvery day, any time (Puerto Rico time). Video doctor visits 24/7 — book online and choose your time right away.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).1,2An in-person visit takes about 2 hours on average, including travel.3
Price$79 visit · $49 follow-up · $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.
LanguageSpanish or English, with the same doctor.Depends on the place.Depends on the place.
PrescriptionsIf appropriate, the doctor prescribes and we send your prescription to your pharmacy.Yes, if needed.Yes, if needed.
When to go in personIf 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.

Primary care doctor online 24/7: how we care for you by video

Video visits 24/7, in English or Spanish. The doctor asks about your health, medications, allergies and family history, and has you show her what matters on camera. If you have a blood pressure monitor, glucose meter, scale or thermometer at home, keep it handy: your readings help a lot.

You leave with a plan: treatment, lifestyle changes, lab tests, or an in-person visit when a physical exam is needed. If appropriate, the doctor prescribes and we send your prescription to your pharmacy.

If it is hard to get in with a primary care physician near you, an online doctor visit saves you the drive and the waiting room. Just moved to the island? A doctor who speaks English can be your regular doctor by video.

Your doctor

Dr. Diana Nieves Castro, MD

General practice physician

Several years of emergency-department experience.

Founding Executive Director of The Health Initiative.

Meet the doctor

Your online primary care visit in 3 steps

Video doctor visits 24/7 — book online and choose your time right away.

  1. Request your visit and pay by card.

    You are charged when you request it, with a full refund if the clinic can’t see you.

  2. You choose your time when you book, and we send your secure video link.

    It works on your phone, tablet or computer.

  3. See the doctor by video

    and leave with a clear plan for your health.

What online primary care in Puerto Rico covers

The most common reasons for a primary care visit:

  • New concerns that are not emergencies: pain that won't go away, fatigue, changes in weight or sleep, heartburn or headaches.
  • Prevention: which tests are right for your age and history, and how to lower your risk of heart disease or diabetes.
  • Ongoing conditions such as high blood pressure, diabetes, cholesterol or thyroid disease. See chronic care.
  • Your medications: reviewing what you take, side effects and renewals; for a non-controlled medicine you already take, see prescription refills.
  • Kids and teens, with a parent or legal guardian on camera. See online doctor visits for kids.
  • Sexual and reproductive health, such as birth control or STI testing.

Common conditions the doctor treats and follows

As a general practice physician, Dr. Nieves Castro evaluates, diagnoses and treats many common conditions by video, and follows up with you over time. Some of the ones she sees most:

No doctor, or your doctor left Puerto Rico?

If your primary care doctor retired, closed the practice or moved off the island, you don't have to go without follow-up. Dr. Nieves Castro can be your regular doctor by video and look after you over time: she reviews your history, your conditions and your medicines, and gives you a plan to keep going.

If you are about to run out of a non-controlled medicine you already take, request a prescription refill: if appropriate, the doctor prescribes and we send your prescription to your pharmacy. If your labs are due and she considers them needed, she gives you a new lab order for a lab near you. And if you also need help with anxiety, mood or sleep, see mental health.

For your first visit, have these handy: - Your medicine list, with doses and how often you take them (or the bottles). - Your most recent lab results and any reports from your previous doctor or a specialist. - Your diagnoses, allergies and vaccines, if you have them written down.

Treatment and preventive lab work

The doctor tells you which preventive tests make sense for you. For example, the U.S. Preventive Services Task Force (USPSTF) recommends blood pressure screening for all adults 18 and older.

When a test would help, she gives you an online lab order for a lab near you, such as glucose or A1C, cholesterol, thyroid, kidney function or a urinalysis. You then go over the results together in a lab results review and adjust the plan.

What a primary care visit costs

A primary care visit is a doctor visit: the same price for every age, with no membership. You see the price on this page's booking button and on our pricing page. We don't bill insurance; ask for an itemized receipt (superbill) if you want to file a claim yourself.

After that, a refill of a medicine you already take (non-controlled) or a review of your lab results is a follow-up visit, which has its own price.

When to go to the ER

Video visits are not for emergencies. If you have chest pain, trouble breathing, signs of a stroke or a serious injury, call 911. For a non-emergency that can't wait, use virtual urgent care.

Book a visit with a primary care doctor online

Book a visit and choose Doctor visit. For a patient under 21, a parent with patria potestad (parental authority) or a legal guardian must stay on camera for the whole visit.

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.

  • You must be physically in Puerto Rico during the visit (visitors, tourists and cruise passengers are welcome).

  • In an emergency, call 911.

What the doctor treats

Some of the conditions, symptoms and guides the doctor handles in this service:

Frequently asked questions

How much does an online primary care visit cost?

It is a doctor visit, the same price for every age and with no membership; you see it on the booking button and on our pricing page. You are charged when you request the visit, with a full refund if the clinic can’t see you. A refill or a lab-results review is a follow-up visit, which has its own price.

Can the doctor be the primary care physician on my insurance plan?

Not as your plan's assigned primary care physician. Because we don't bill insurance, the doctor cannot be the PCP your plan assigns you or issue your plan's referrals. She can look after you over time by video: new concerns, prevention, lab tests and medications, with an itemized receipt (superbill) on request.

Is there a general doctor near me?

The doctor sees you by video, so she is as near as your phone: we have no office or walk-in clinic, and she sees you wherever you are, as long as you are physically in Puerto Rico. If you need a test, she gives you an order for a lab near you. That makes her a primary care physician near you, by video.

Do you see adults and kids?

Yes, adults and children of all ages. Patients under 21 need a parent with parental authority or a legal guardian on camera for the whole visit.

Do you take insurance?

We don't bill insurance. You pay by card, and on request we give you an itemized receipt (superbill) to file with your plan yourself.

Can I use you if I already have a primary care doctor?

Yes. If you already have one, let them know about your visit and any new medication, so your records stay complete.

Before you pay

Why do I pay before choosing a time?

That is how booking works: you pay first and choose your time right after, in the same process, from the times the doctor has open. Before paying you see the price and the cancellation policy.

Can I cancel or change the time?

You can cancel your visit for a full refund, or change the time at no cost up to 2 times, if you do it 24 hours or more before it starts. Within 24 hours you can no longer cancel or change the time, and there is no refund: the doctor has that time reserved for you and your consent is signed. If you don't join in the first 10 minutes of the visit, it counts as a no-show and there is no refund. If the clinic can't see you (the doctor is not available, there is a technical problem on our side, or we can't complete a required check), we refund you in full. If the clinic moves your visit, you can cancel it for a full refund even if it is less than 24 hours away.

Do you record the visit?

No. We do not record the video or audio of visits.

Need to see the doctor?

$79Doctor visit

  • You’re charged when you request the visit.
  • Full refund if the clinic can’t see you

Video doctor visits 24/7 — book online and choose your time right away.

Doctor visit: $79 — Book

Pay now, then choose your time right away. Full refund if you cancel 24 hours or more ahead.

See the cancellation policy

You can cancel for a full refund or change the time up to 24 hours before your visit. Within 24 hours you can't cancel and there's no refund. If you don't join in the first 10 minutes, there's no refund.

If you choose a time less than 24 hours away, it can't be cancelled or changed.

If the clinic can't see you, for example because of a technical problem on our side, we refund you in full.