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

Individual provider Anesthesiology Physician · NPI 1609880806

Keith Ewing Johnson, MD is an Anesthesiology in Oneida, New York. Qualified in 2002, 24 years ago. Practices with Griffiss Ec, LLC, a 13-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Delaware and New York.

Years since qualifying
24
Licensed in
DE, NY
In the registry since
2006
Specialties on file
2
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

321 Genesee St
Oneida, NY 13421-2611
Phone: (315) 363-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 178 Clizbe Ave, Amsterdam, NY 12010-7520 — (518) 843-8745

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 240532-1 (NY)
Anesthesiology Physician Taxonomy 207L00000X · Licence C1-0008872 (DE)

Record details

NPI number1609880806
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2006
Last updated in NPPESApril 1, 2025
Certification dateApril 1, 2025
Mailing address178 Clizbe Ave, Amsterdam, NY 12010-7520

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Griffiss Ec, Llc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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