Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

RICHARD D ALEXANDER MD
NPI 1831145580
Internal Medicine - Nephrology in Salem, MA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.

Active since May 25, 2006

331 HIGHLAND AVE, SALEM, MA 01970(978) 745-1200(978) 542-0351 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Richard D Alexander Md NPPES

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

RICHARD D ALEXANDER MD (NPI 1831145580) is an individual nephrology provider in Salem, Massachusetts, licensed in Massachusetts (37200) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1831145580

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameRICHARD D ALEXANDERCredential: MD

Location Address331 HIGHLAND AVESalem, MA 01970

Mailing AddressPo Box 930Salem, MA 01970 · (978) 825-7116 · Fax (978) 825-7070

Phone(978) 745-1200

Fax(978) 542-0351

Sole ProprietorNo

Enumeration DateMay 25, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1831145580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in MA · 37200

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 37200 (MA)

331 HIGHLAND AVE, Salem, MA 01970

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