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Brooklyn (347) 689-8880
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NYC Medical Doctor PC reception, Brooklyn

Advanced Care
with Compassion

Most Insurance Accepted
Compassionate Care
Telehealth Available
Multilingual Staff
Same-Week Visits
USCIS Exams On-Site
Book an Appointment Instantly
New Consultation
Instant Booking
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Brooklyn (347) 689-8880

Location & Opening Hours

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Brooklyn, NY
699 Stanley Ave, Brooklyn, NY 11207
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Monday
9am - 5pm
Tuesday
9am - 5pm
Wednesday
9am - 5pm
Thursday
9am - 5pm
Friday
9am - 5pm
Saturday
Closed
Sunday
Closed
(347) 689-8880
NYC Medical Doctor PC reception, Brooklyn

Our Services

VISIT US
Weight Loss Program at NYC Medical Doctor PC
Weight Loss Program
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Allergy Care at NYC Medical Doctor PC
Allergy Care
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Acupuncture at NYC Medical Doctor PC
Acupuncture
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Cupping Therapy at NYC Medical Doctor PC
Cupping Therapy
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Hypnotherapy at NYC Medical Doctor PC
Hypnotherapy
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Women's Health at NYC Medical Doctor PC
Women's Health
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Osteopathic Care at NYC Medical Doctor PC
Osteopathic Care
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Traveler's Health at NYC Medical Doctor PC
Traveler's Health
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IV Vitamin Therapy at NYC Medical Doctor PC
IV Vitamin Therapy
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Immigration Medical Exams at NYC Medical Doctor PC
Immigration Medical Exams
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Our Medical Team

Experienced, multilingual clinicians
S
Sofya Kleyn, MD · Internal Medicine / Geriatrics
33 years experienceEnglish · Russian · SpanishTelehealth available
Dr. Sofya Kleyn focuses on preventing and reversing disease before it becomes chronic. She integrates lifestyle interventions with conventional and emerging alternative therapies to support healing while minimizing unnecessary risk, drawing on more than three decades of internal-medicine and geriatric experience.
I
Ilya Kleyn, MD · Internal Medicine, Geriatrics, Functional Medicine
33 years experienceEnglish · Spanish · Russian · TurkishTelehealth availableCertified USCIS civil surgeon
Dr. Ilya Kleyn blends traditional internal medicine with functional and alternative therapies, emphasizing balanced nutrition, liver detoxification, and natural healing to manage conditions such as high cholesterol, diabetes, and obesity through individualized, non-invasive treatment. He is a certified civil surgeon for U.S. immigration medical exams.
L
Leonid Tafler, DO · Family Medicine / Osteopathy
28 years experienceEnglish · RussianBrooklyn, NY
Dr. Leonid Tafler is a board-certified family-medicine physician and osteopath with 28 years of experience. He is known for his expertise in managing muscle spasms and for providing comprehensive, whole-person family care with hands-on osteopathic technique.
D
Doris Yu, RPA · Physician Assistant
English · Chinese · SpanishInternal medicine · OB/GYN
Doris Yu is a compassionate and skilled physician assistant with a Master of Science in Physician Assistant Studies from South University. She brings broad clinical experience across internal medicine, primary care, OB/GYN, and emergency medicine to every patient interaction.

Testimonials

WHAT OUR PATIENTS SAY
100+ reviews
"I see Doris mostly — she is the BEST! All the staff is kind, caring and professional. Every referral I've received has been with the very best doctors. I trust the health care I receive to be thorough and proactive."
Sharon H.
"Friendly and cordial staff. Dr. Kleyn is the best — attentive and really cares for his patients."
David W.
"Dr. Kleyn is an excellent doctor with an amazing bedside manner. He takes his time and always makes sure no stones are unturned. He's helped me with many medical issues and I continue to recommend him."
Lyudmila T.

Immigration Medical Exams

USCIS · On-Site

U.S. immigration (USCIS) medical exams performed on site by a certified civil surgeon — quick, thorough, and handled with care. The exam includes blood and urine tests.

~30 minTotal exam time
No fastingEat normally beforehand
3–5 daysResults ready
Civil surgeonUSCIS-certified on site
What to bring
  • Passport or driver's license
  • Any immunization records you have
Required immunizations
  • MMR
  • Tetanus
  • Seasonal Influenza
Ready to start?

Book your exam and we'll take care of the paperwork and results.

Book Your USCIS Exam

We Accept Most Insurance

Coverage You Can Count On
+ Others

FAQ

Questions
What services does NYC Medical Doctor PC provide?

Primary and specialty care including weight loss, allergy care, women's health, acupuncture, cupping, hypnotherapy, osteopathic care, traveler's health, IV vitamin therapy, and on-site USCIS immigration medical exams.

Do you perform U.S. immigration (USCIS) medical exams?

Yes — on site, by a certified civil surgeon. Bring a passport or driver's license and any immunization records. The exam takes about 30 minutes, requires no fasting, and results are ready in 3 to 5 business days.

What languages does your team speak?

Our clinicians speak English, Russian, Spanish, Turkish, and Chinese.

Do you offer telehealth?

Yes — several of our physicians offer telehealth visits. Ask our front desk when you book.

Do you accept insurance?

We accept most major insurance plans. Contact us and we'll help confirm your coverage.

Where are you located and what are your hours?

We are at 699 Stanley Ave, Brooklyn, NY 11207, open Monday to Friday, 9:00 AM to 5:00 PM. We are closed Saturday and Sunday.