Вы можете обращаться к врачу.

It can mean either one.

Russian вы is used:

• for more than one person: you all / you guys
• for one person politely or formally: you

Because this sentence is at the beginning and Вы is capitalized anyway, you cannot tell from capitalization alone. In running text, capital Вы is sometimes used as an extra mark of politeness when addressing one person, but at the start of a sentence both вы and Вы would look the same.

So this sentence could mean either:

• speaking politely to one person, or
• speaking to several people.

Можете is the 2nd person form of мочь, meaning to be able / can.

Here is the pattern:

• я могу — I can
• ты можешь — you can (informal singular)
• вы можете — you can (formal singular or plural)
• он/она может — he/she can

So Вы можете обращаться literally means You can address/consult/turn to...

This is about aspect.

• обращаться = imperfective
• обратиться = perfective

In this sentence, обращаться is used because the meaning is general possibility, regular action, or what is allowed/appropriate in general.

So Вы можете обращаться к врачу has the sense of:

• You can consult a doctor
• You may go to a doctor
• You are allowed to turn to a doctor

If you used обратиться, it would sound more like a single completed act:

• Вы можете обратиться к врачу = You can consult a doctor / You can contact a doctor on one specific occasion.

Both are possible in real life, but the aspect changes the nuance:

• обращаться = in general / repeatedly / as needed
• обратиться = one time / a specific step

Here обращаться к кому-то means something like:

• to turn to someone
• to consult someone
• to seek help from someone
• to contact someone in a formal or practical sense

So with врач, it usually means to consult a doctor or to go to a doctor for help/advice/treatment.

It does not usually mean literally to address a doctor verbally in this context.

Because the verb pattern is обращаться к кому? — to turn to / consult whom?

The preposition к requires the dative case, so:

• врач — doctor
• к врачу — to a doctor

This is just something you learn together with the verb:

• обращаться к кому? — to turn to whom?
• обращаться к врачу — to consult a doctor

Because врач is in the dative singular after к.

The noun changes like this:

• nominative: врач
• dative: врачу

This is a common masculine noun pattern in Russian. For many masculine nouns ending in a consonant, the dative singular ends in -у or -ю.

Examples:

• к столу — to the table
• к брату — to the brother
• к врачу — to the doctor

Russian has no articles, so врачу can mean either:

• to a doctor
• to the doctor

The exact meaning depends on context.

In this sentence, without more context, English will often translate it as a doctor:

• You can consult a doctor.

But in another situation it could mean the doctor, if both speaker and listener already know which doctor is meant.

Yes. Russian often drops subject pronouns when the verb already makes the person clear.

So Можете обращаться к врачу is also possible, especially in conversation or instructions.

Why keep Вы here?

• for clarity
• for emphasis
• for politeness
• because the sentence may be part of formal guidance or advice

Both are natural:

• Вы можете обращаться к врачу.
• Можете обращаться к врачу.

They overlap, but they are not exactly the same.

• идти к врачу = to go to the doctor
  • focuses on physically going
• обращаться к врачу = to consult / turn to a doctor
  • focuses on seeking medical help or advice

So:

• Если вам плохо, идите к врачу.
  If you feel bad, go to the doctor.

• С этой проблемой можно обращаться к врачу.
  With this problem, you can consult a doctor.

In your sentence, обращаться sounds a bit broader and more formal.

Not directly.

Вы можете обращаться к врачу literally expresses can / may, not should.

So it means something like:

• You can consult a doctor
• You may go to a doctor
• You are free/allowed to seek help from a doctor

If Russian wants to say You should see a doctor, it would more likely use:

• Вам следует обратиться к врачу.
• Вам нужно обратиться к врачу.
• Вам стоит обратиться к врачу.

So можете is weaker and less forceful than should.

Yes, it can be changed, because Russian word order is flexible.

The neutral order here is:

• Вы можете обращаться к врачу.

But other orders are possible for emphasis, for example:

• К врачу вы можете обращаться.
• Обращаться к врачу вы можете.

These variants change the emphasis, not the basic meaning.

For learners, the original order is the safest and most neutral.

A useful stress guide is:

• Вы мОжете обращАться к врачУ.

Stress:

• мОжете
• обращАться
• врачУ

A rough English-style approximation would be:

• vy MO-zhe-tye ab-ra-SHAT-sa k vra-CHOO

Of course, the real Russian sounds are not exactly the same as English ones, but this helps identify the stressed syllables.

Yes, somewhat.

The combination обращаться к врачу sounds more formal or institutional than very everyday speech. You might hear it in:

• medical instructions
• official advice
• patient information
• customer support or public service language

In everyday conversation, people often say things like:

• идти к врачу — go to the doctor
• сходить к врачу — go see a doctor
• обратиться к врачу — consult a doctor

So your sentence is perfectly normal, but it has a slightly formal, advisory tone.