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Centennial Pulmonary and Sleep

Pulmonary Medicine • Roseburg, OR

About

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Centennial Pulmonary and Sleep in Roseburg, Oregon offers pulmonary care, sleep medicine, and intensive care unit services at Mercy Medical Center. The clinic provides home sleep studies, overnight oximetry, exercise oximetry, and spirometry testing, with appointments available Monday through Friday.

Clinic Type

Pulmonary Medicine

Address

—

Phone

541-672-9515

Email

privacyoffice@commonspirit.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://centennialpulmonary.com/

Services Offered

  • Pulmonary care
  • Sleep medicine
  • Intensive Care Unit (ICU) services at Mercy Medical Center (as part of affiliated care)

Team

  • Alejandro Diaz-Chavez, Board certified by the American Board of Internal Medicine in Pulmonary Diseases and Critical Care — MD
  • Luana Petre Nedita, Board-certified by the American Board of Internal Medicine in Internal Medicine, Pulmonary Disease and Sleep Medicine — MD
  • Razvan Gosman, Board-certified by the American Board of Internal Medicine in Critical Care, Pulmonary Disease and Sleep Medicine — MD
  • Mohammed A. A. Halabiya, Board-certified by the American Board of Internal Medicine in Critical Care and Pulmonary Disease — MD

Insurance & Payment

—

Languages Spoken

—

FAQs

What providers are at Pulmonary and Sleep of Roseburg?

The providers listed include Alejandro Diaz-Chavez, Luana Petre Nedita, Razvan Gosman, and Mohammed A. A. Halabiya, among others.

Photos

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What Patients Say

Overall sentiment across review platforms: positive

  • Healthline/Healthgrades for Dr. Alejandro Diaz-Chavez: 5.0/5.0 (5 ratings)
  • WebMD for Dr. Luana Petre-Nedita: 4.0/5.0 (3 ratings)

Patients praise

  • Professional and friendly staff
  • Knowledgeable and thorough physicians
  • Clear explanation of conditions and treatments
  • Good bedside manner and willingness to listen

Common complaints

  • General patient feedback mechanisms exist for concerns, though no specific widespread complaints against the practice were found.

"She is very professional, friendly and caring. I even referred a couple of people to her office and they are happy too. She is a very solid practitioner and takes all the time I needed to explain my condition, what to expect going forward."

— Patient review for Dr. Luana Petre-Nedita

"Dr. Diaz-Chavez is a very kind and patient physician. He spend quality time with my husband and explained his condition in detail. His objective was sincere in helping my husband to obtain a better quality of life... Truly a Stellar doctor!!"

— Patient review for Dr. Alejandro Diaz-Chavez

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 11, 2026.

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