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

Dr. Collins F Kellogg Jr., MD

Individual provider Internal Medicine Physician · NPI 1225031255

Dr. Collins F Kellogg Jr., MD is an Internal Medicine in Watertown, New York. Graduated from Columbia University College of Physicians and Surgeons in 1984, 42 years ago. Practices with Watertown Internists PC, a 10-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
NY
In the registry since
2005
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

53-59 Public Sq Ste 301
Watertown, NY 13601-2674
Phone: (315) 782-2141
Fax: (315) 782-5123
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 169537 (NY)

Record details

NPI number1225031255
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2005
Last updated in NPPESOctober 25, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1984 (42 years in practice)
Group practice Watertown Internists Pc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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