5
2 Ratings with 1 written Review

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| Daniel James Sak, DO | Dr. Edgar Antonio Mercado, MD | Dr. Brian William Smith, MD | Dr. Ira Adam Pollack, MD |
| Sleep Medicine | Internal Medicine | Sleep Medicine | Sleep Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 48 Years of Experience | 23 Years of Experience | 34 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English, Spanish | |
| Springfield , MA | Aiken , SC | Springfield , MA | Enfield , CT |
| Med School: Michigan State University College of Osteopathic Medicine | Med School: Universidad Nacional De Asuncion Facultad De Medicina | Med School: Albany Medical College | |
Current Profile | View Profile | View Profile | View Profile |
Daniel James Sak holds expired and active medical licenses in the states of Ohio, Michigan, and Massachusetts.
Doctor Of Osteopathy with an expired medical license in the state of Ohio that expired in 2026, an active medical license in the state of Michigan that expires in 2026, and an active medical license in the state of Massachusetts that expires in 2027.
Completed their fellowship at Henry Ford Hospital in 1984.
Completed their residency at Metro Health University of Michigan Health West in 1982.
Graduated from Michigan State University College of Osteopathic Medicine in 1978.
Daniel James Sak's NPI number is 1568425494.










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