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To speak with an appointment scheduler, call 1-800-533-UPMC between 7 a.m. and 7 p.m. Monday through Friday.

Note: We can schedule appointments for many — but not all — UPMC doctors and locations at this number.

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Internal Medicine

Sub Specialty:
Critical Care

Hospital Affiliation(s):
UPMC Northwest
UPMC Shadyside
Magee-Womens Hospital of UPMC
UPMC Mercy
UPMC Presbyterian

Language Spoken:

Patient Satisfaction Ratings:
4.9 Stars
205 Patient
Satisfaction Ratings
Learn About Our Survey


University of Pittsburgh Physicians

Division of Pulmonary, Allergy & CCM
UPMC Monroeville at Oxford Drive
400 Oxford Dr.
Suite G-65
Monroeville, PA 15146
Office Phone:
(412) 380-5013

Falk Medical Building (Comprehensive Lung Center)
3601 Fifth Ave.
4th Floor
Pittsburgh, PA 15213
Office Phone:
(412) 648-6161


Critical Care Medicine, American Board of Internal Medicine
Internal Medicine, American Board of Internal Medicine
Pulmonary Disease, American Board of Internal Medicine
Sleep Medicine, American Board of Internal Medicine


MD, Southern Illinois University School of Medicine, Springfield, IL

Brook Army Medical Center,
Fort Sam Houston, TX

Brook Army Medical Center,
Fort Sam Houston, TX

University of Utah School of Medicine,
Salt Lake City, UT

Appointment Information

New Patients

Appointment Information

Call 1-800-533-UPMC (8762), Monday through Friday between 7 a.m. and 7 p.m. to schedule an appointment OR call the locations listed above to speak with a representative.

Returning Patients

  • Your doctor may participate in scheduling through MyUPMC. If you would like to book online, please log in and visit the Appointments tab.
  • Call the locations listed above to speak with a representative.

Patient Ratings

Rate the Provider

Listens Carefully

Spends Enough Time with You

Recommend This Provider to Family/Friends

Shows Respect for Patients

Provides Easy to Understand Information

Explains in a Way You Understand

Patient Comments

Patient comments are gathered from our Press Ganey Patient Satisfaction Survey and are displayed in their entirety. Patients are de-indentified for confidentiality and patient privacy.

August 11, 2016

Very courteous and professional staff; treated like family.

August 11, 2016

outstanding doctor, I wish more were like him!!

August 03, 2016

Dr. Kristo is, hands-down, the best UPMC specialist I've ever seen. He's concerned about my health. He listens and never gives the impression that he's in a hurry. He's very kind. Finally, as someone who is overweight, I rarely find a doctor in your system who doesn't fat shame me. Dr. Kristo never ever says anything rude about my size. The most he's ever said is "would you like to see a nutritionist?" I've had other doctors refuse to treat me. Yell at me. Make me cry. I know when I see Dr. Kristo, he's going to treat me with the same level of care and respect that an average-weight person would receive. And I probably appreciate that more than any other of his wonderful qualities.

July 25, 2016

dr Kristo was very kind and took the time to explain everything to me very caring Doctor the office was very friendly and it a b pleasure to meet Lupa whom I spoke to on the phone it was very helpful

July 05, 2016

The doctor caught a diagnosis that no one else looked for.

July 05, 2016

Dr. Kristo is a very kind man. I appreciate his care.

July 05, 2016

My doctor was more attentive than usual; I felt that I got to spend more time with him and got to talk to him more about issues that I've been having. I felt that I had a more complete visit than I normally have, so I was very happy.

June 17, 2016

Dr Kristo went out of his way to assist me with obtaining the equipment I needed

June 08, 2016

I especially appreciate the short wait time and the length of time that the doctor spent with me

May 27, 2016

I was very pleased that the Doctor reviewed all my health information and listened to my concerns. A very informative visit and hopefully the next visit will be the same.