Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Timothy J Barreiro, DO

Individual provider Pulmonary Disease Physician · NPI 1679670707

Dr. Timothy J Barreiro, DO is a Pulmonary Disease in Youngstown, Ohio. Graduated from Ohio University, College of Osteopathic Medicine in 1997, 29 years ago. Practices with Mercy Health Physicians Youngstown Specialty Care LLC, a 467-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
29
Trained at
Ohio University, College of Osteopathic Medicine
Licensed in
OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1044 Belmont Ave
Youngstown, OH 44504-1006
Phone: (330) 480-3258
Fax: (330) 480-4119
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 34008256 (OH)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 34008256 (OH)

Record details

NPI number1679670707
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESOctober 11, 2016
Mailing address1044 Belmont Ave, Youngstown, OH 44504-1006

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1997 (29 years in practice)
Group practice Mercy Health Physicians Youngstown Specialty Care Llc — 467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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