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WALTER J ALT M.D.
NPI 1831147073
Family Medicine in Merrimac, MA

Active since May 04, 2006
5 EAST MAIN STREET, LAHEY MERRIMAC, MERRIMAC, MA 01860(978) 346-9733 Get Directions Write a Review

NPPES record last updated: December 13, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Walter J Alt M.d. NPPES

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

WALTER J ALT M.D. (NPI 1831147073) is an individual family medicine provider in Merrimac, Massachusetts, licensed in Massachusetts (81973) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1831147073
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWALTER J ALTCredential: M.D.
Location Address5 EAST MAIN STREET, LAHEY MERRIMACMerrimac, MA 01860
Mailing Address5 East Main Street, Lahey MerrimacMerrimac, MA 01860 · (978) 346-9733
Phone(978) 346-9733
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateDecember 13, 2011
✔ NPI 1831147073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MA · 81973
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5 EAST MAIN STREET, Merrimac, MA 01860
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Other Identifiers 2

Medicare PINA2057602MA
Medicaid110056507AMA

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 Walter Alt's NPI number?

The NPI number for Walter Alt is 1831147073. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Walter Alt located?

Walter Alt practices at 5 East Main Street Lahey Merrimac, Merrimac, MA 01860. The listed phone number is (978) 346-9733.

What is Walter Alt's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Walter Alt was last updated on December 13, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.