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

Daniel J Sak, DO

Individual provider Pulmonary Disease Physician · NPI 1568425494

Daniel J Sak, DO is a Sleep Medicine in Findlay, Ohio. Graduated from Michigan State University College of Osteopathic Medicine in 1978, 48 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
48
Trained at
Michigan State 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

1909 S Main St
Findlay, OH 45840-1208
Phone: (419) 427-2604
Fax: (419) 427-2607
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 34011122 (OH)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 34.011122 (OH)

Record details

NPI number1568425494
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 11, 2006
Last updated in NPPESFebruary 2, 2017
Mailing address1909 S Main St, Findlay, OH 45840-1208

Medicare enrollment

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

Medicare specialtySLEEP MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1978 (48 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Findlay