JOHN L STOCK M.D.
NPI 1023152618
Internal Medicine - Endocrinology, Diabetes & Metabolism in Southborough, MA

Q: What is John Stock's NPI number?

The NPI number for John Stock is 1023152618. It was assigned to this individual provider in the NPPES registry on February 16, 2007.

Q: What is John Stock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for John Stock was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 February 16, 2007

58 SEARS RD, SOUTHBOROUGH, MA 01772(508) 490-8139 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: September 06, 2026.

On this page

About John L Stock M.d. NPPES

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

JOHN L STOCK M.D. (NPI 1023152618) is an individual endocrinology, diabetes & metabolism provider in Southborough, Massachusetts, licensed in Massachusetts (55723) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1023152618

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameJOHN L STOCKCredential: M.D.

Location Address58 SEARS RDSouthborough, MA 01772-1102

Mailing Address58 Sears RdSouthborough, MA 01772-1102 · (508) 490-8139

Phone(508) 490-8139

Sole ProprietorNo

Enumeration DateFebruary 16, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1023152618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in MA · 55723

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

58 SEARS RD, Southborough, MA 01772

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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 Stock's NPI number?

The NPI number for John Stock is 1023152618. It was assigned to this individual provider in the NPPES registry on February 16, 2007.

Where is John Stock located?

John Stock practices at 58 Sears Rd, Southborough, MA 01772. The listed phone number is (508) 490-8139.

What is John Stock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for John Stock was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.