PETER W. SIERSMA MD
NPI 1730148149
Internal Medicine in Williamsburg, MA

Active since March 23, 2006
14 WILLIAMS ST, WILLIAMSBURG, MA 01096(413) 268-3616(413) 268-0337 Get Directions Write a Review

NPPES record last updated: October 7, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Peter W. Siersma Md NPPES

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

PETER W. SIERSMA MD (NPI 1730148149) is an individual internal medicine provider in Williamsburg, Massachusetts, licensed in Massachusetts (79023) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1730148149
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePETER W. SIERSMACredential: MD
Location Address14 WILLIAMS STWilliamsburg, MA 01096-9427
Mailing Address14 Williams St, Po Box 765Williamsburg, MA 01096-9427 · (413) 268-3616 · Fax (413) 268-0337
Fax(413) 268-0337
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateOctober 7, 2008
NPI 1730148149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 79023
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
14 WILLIAMS ST, Williamsburg, MA 01096

Other Identifiers 20

Other04-3194547MA · Plan Vista
Other04-3194547MA · United Healthcare
Medicaid3005763MA
Other000000008323MA · Bmc
Other04-3194547MA · Great-west
Other16424MA · Hne
Other731026MA · Connecticare
Other04-3194547MA · Unicare/gic
Other6337318007MA · Cigna
Other04-3194547MA · Consolidated
Other04-3194547MA · Northeast Healthcare Alli
Medicare ID-Type UnspecifiedJ05149
Other717459MA · Tufts
Medicare UPINA58226
Other04-3194547MA · North American Preferred
Other04-3194547MA · Phcs
Other515970MA · Healthsource
OtherJ05149MA · Bcbsma
Other04-3194547MA · Northeast Health Direct
Other528959MA · Aetna

Other Providers at the Same Location NPPES 3

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

Nurse Practitioner (Adult Health)
14 WILLIAMS ST
WILLIAMSBURG, MA 01096
Nurse Practitioner (Adult Health)
14 WILLIAMS ST
WILLIAMSBURG, MA 01096
Internal Medicine
14 WILLIAMS ST
WILLIAMSBURG, MA 01096

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 Peter Siersma's NPI number?

The NPI number for Peter Siersma is 1730148149. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Peter Siersma located?

Peter Siersma practices at 14 Williams St, Williamsburg, MA 01096. The listed phone number is (413) 268-3616.

What is Peter Siersma's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Peter Siersma was last updated on October 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.