About Dr. Irving Smith
Dr. Irving Smith is a sleep medicine physician at North Country Healthcare in Lancaster, NH, and is also listed at 1 other location.
In Medicare's directory, Dr. Smith is also listed under internal medicine.
Dr. Smith graduated from Nova Southeastern College of Osteo Medicine in 2004.
According to Medicare, Dr. Smith accepts Medicare assignment.
Where Dr. Smith practices
173 Middle Street, Lancaster, NH 03584
(603) 788-5095
Clinic rated 4.8 from 6 Google reviews
8 Clover Lane, Whitefield, NH 03598
(603) 788-5095
Clinic rated 3.2 from 23 Google reviews
Questions about Dr. Irving Smith
Where does Dr. Irving Smith practice?
Dr. Irving Smith is listed at North Country Healthcare (Lancaster, NH) and North Country Healthcare (Whitefield, NH). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Irving Smith?
Call North Country Healthcare at (603) 788-5095 and ask for Dr. Smith. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Irving Smith specialize in?
Dr. Irving Smith specializes in sleep medicine, with internal medicine also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Irving Smith accept Medicare?
Medicare's clinician directory lists Dr. Smith as accepting Medicare assignment, which means agreeing to the Medicare-approved amount as full payment for covered services. Confirm with the clinic before your visit.
From the NPI registry (data through November 2, 2026) and Medicare's Doctors and Clinicians directory (released November 12, 2026). These are records physicians and clinics keep with the government, and they can lag behind changes. They do not show board certification. Are you Dr. Irving Smith, or is something here out of date? Let us know. Find a sleep doctor near you.