Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Steven James Sonnenberg, MD

Individual provider Psychiatry Physician · NPI 1669448668

Steven James Sonnenberg, MD practises Psychiatry in Saranac Lake, New York. Qualified in 1981, 45 years ago. Practices with Adirondack Medical Center, a 85-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
45
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2233 State Route 86 Adirondack Medical Ctr
Saranac Lake, NY 12983-7298 Not confirmed with CMS for 10 years — call before visiting
Phone: (518) 354-8429
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 163823 (NY)

Record details

NPI number1669448668
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 28, 2006
Last updated in NPPESNovember 1, 2016

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Adirondack Medical Center — 85 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Adirondack Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 85 clinicians in the practice; 12 are shown here.

Other providers in Saranac Lake