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

John Shaw Dalton II, MD

Individual provider Nephrology Physician · NPI 1225013493

John Shaw Dalton II, MD is a Nephrology Physician in Catonsville, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2W Rolling Crossroads Ste 205
Catonsville, MD 21228-6209
Phone: (410) 788-8033
Fax: (410) 788-8034
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence D0030542 (MD)

Record details

NPI number1225013493
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 10, 2005
Last updated in NPPESJune 27, 2012

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