JOHN SHAW DALTON II M.D.
NPI 1225013493
Internal Medicine - Nephrology in Catonsville, MD

Q: What is John Dalton's NPI number?

The NPI number for John Dalton is 1225013493. It was assigned to this individual provider in the NPPES registry on December 10, 2005.

Q: What is John Dalton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for John Dalton was last updated on June 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 10, 2005

2W ROLLING CROSSROADS, SUITE 205, CATONSVILLE, MD 21228(410) 788-8033(410) 788-8034 Get Directions Write a Review

NPPES record last updated: June 27, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About John Shaw Dalton Ii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN SHAW DALTON II M.D. (NPI 1225013493) is an individual nephrology provider in Catonsville, Maryland, licensed in Maryland (D0030542) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1225013493

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameJOHN SHAW DALTON IICredential: M.D.

Location Address2W ROLLING CROSSROADS, SUITE 205Catonsville, MD 21228-6209

Mailing Address2w Rolling Crossroads, Suite 205Catonsville, MD 21228-6209 · (410) 788-8033 · Fax (410) 788-8034

Phone(410) 788-8033

Fax(410) 788-8034

Sole ProprietorYes

Enumeration DateDecember 10, 2005

Last NPPES UpdateJune 27, 2012

✔ NPI 1225013493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in MD · D0030542

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

2W ROLLING CROSSROADS, Catonsville, MD 21228

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Other Identifiers 3

Medicaid336311200MD

Medicare UPIND72031MD

Medicare PIN2827MD

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Dalton's NPI number?

The NPI number for John Dalton is 1225013493. It was assigned to this individual provider in the NPPES registry on December 10, 2005.

Where is John Dalton located?

John Dalton practices at 2W Rolling Crossroads Suite 205, Catonsville, MD 21228. The listed phone number is (410) 788-8033.

What is John Dalton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for John Dalton was last updated on June 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.