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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

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: August 09, 2026.

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

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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Other Identifiers 1

Medicaid6169198MA

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN C SANTOS MD
Internal Medicine (Cardiovascular Disease)
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 744-3499
MARC A FORGIONE MD
Internal Medicine (Cardiovascular Disease)
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 744-3499
MERRICK S FISHER MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 745-1200
FRANK J STRACCIA DO
Internal Medicine (Cardiovascular Disease)
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 743-1200
PAUL D DARDENO MD
Internal Medicine
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 745-1200
DAVID F KAHN MD
Internal Medicine (Cardiovascular Disease)
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 744-3499
DR. RAYMOND WILLIAM WAITEKUS D.O.
Internal Medicine
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 741-1200
JOHN T SZYMANSKI MD
Internal Medicine
331 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 745-1200

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 Richard Alexander's NPI number?

The NPI number for Richard Alexander is 1831145580. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Richard Alexander located?

Richard Alexander practices at 331 Highland Ave, Salem, MA 01970. The listed phone number is (978) 745-1200.

What is Richard Alexander'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 Richard Alexander was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.