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

DR. DAVID A SHAYWITZ MD PHD
NPI 1093705436
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Q: What is David Shaywitz's NPI number?

The NPI number for David Shaywitz is 1093705436. It was assigned to this individual provider in the NPPES registry on October 26, 2005.

Q: What is David Shaywitz'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 David Shaywitz 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 27 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.

Active since October 26, 2005

0 EMERSON PL, STE 112, NEUROENDOCRINE, BOSTON, MA 02114(617) 726-7948(617) 726-1241 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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

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About Dr. David A Shaywitz Md Phd NPPES

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

DR. DAVID A SHAYWITZ MD PHD (NPI 1093705436) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (MS0470752A) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1093705436

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDR. DAVID A SHAYWITZCredential: MD PHD

Location Address0 EMERSON PL, STE 112, NEUROENDOCRINEBoston, MA 02114-2241

Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 726-7948

Fax(617) 726-1241

Sole ProprietorNo

Enumeration DateOctober 26, 2005

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1093705436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

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

Taxonomy Code207RE0101X

License✔ Licensed in MA · MS0470752A

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 213906 (MA)

0 EMERSON PL, Boston, MA 02114

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Other Identifiers 3

Medicaid2100924MA

Other468070MA · Tufts Health Plan

OtherJ28571MA · Bcbs Ma

Other Providers at the Same Location NPPES 9

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

RALPH BELL METSON MD

Otolaryngology

0 EMERSON PL, STE 2D E00 2D
BOSTON, MA 02114

Suffolk County (617) 227-4366

MS. NITZA AVNI

Audiologist

0 EMERSON PL, SUITE 2C
BOSTON, MA 02114

Suffolk County (617) 227-3298

FREDERICK L. MANSFIELD, M.D., P.C.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

0 EMERSON PL
BOSTON, MA 02114

Suffolk County (617) 726-5919

DR. EMILY S MILLER MD

Emergency Medicine

0 EMERSON PL, SUITE 3B
BOSTON, MA 02114

Suffolk County (617) 726-4033

MICHELLE HANNAH GUREL RN

Registered Nurse (Ambulatory Care)

0 EMERSON PL, SUITE 112
BOSTON, MA 02114

Suffolk County (617) 724-0145

RALPH METSON, M.D., P.C.

Otolaryngology

0 EMERSON PL, SUITE 2D
BOSTON, MA 02114

Suffolk County (617) 227-4366

DR. MARKELLA V ZANNI M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

0 EMERSON PL, SUITE 112
BOSTON, MA 02114

Suffolk County (617) 726-6813

DR. FREDERICK L MANSFIELD MD

Orthopaedic Surgery

0 EMERSON PL, SUITE 120 E00-120
BOSTON, MA 02114

Suffolk County (617) 726-5919

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 David Shaywitz's NPI number?

The NPI number for David Shaywitz is 1093705436. It was assigned to this individual provider in the NPPES registry on October 26, 2005.

Where is David Shaywitz located?

David Shaywitz practices at 0 Emerson Pl Ste 112, Neuroendocrine, Boston, MA 02114. The listed phone number is (617) 726-7948.

What is David Shaywitz'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 David Shaywitz 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 27 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.