Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1730148149 Individual Practitioner Male Practitioner

Dr. Peter W. Siersma , MD

Internal Medicine • Williamsburg, MA

Professional Overview & Biography Verified Profile Summary

Dr. Peter Siersma, MD is a registered healthcare professional specializing in Internal Medicine in Williamsburg, MA. Practice services are available at 14 WILLIAMS ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

14 Williams St

Williamsburg, MA 010969427

Telephone 4132683616
Fax 4132680337

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Williamsburg, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 32.0 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
3 Specialists

Practicing in Williamsburg, MA (7127 Statewide)

Telehealth Adoption Rate
33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 79023

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
3005763 (MA)
Commercial Insurance / Payer ID Tufts
717459 (MA)
Commercial Insurance / Payer ID Bmc
000000008323 (MA)
Commercial Insurance / Payer ID Consolidated
04-3194547 (MA)
Commercial Insurance / Payer ID Plan Vista
04-3194547 (MA)
Commercial Insurance / Payer ID Unicare/gic
04-3194547 (MA)
Commercial Insurance / Payer ID Hne
16424 (MA)
Commercial Insurance / Payer ID Aetna
528959 (MA)
Commercial Insurance / Payer ID North American Preferred
04-3194547 (MA)
Commercial Insurance / Payer ID United Healthcare
04-3194547 (MA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
Sarah Fletcher , NP

Nurse Practitioner - Adult Health

NPI 1255575791

Nurse Practitioner

Joanna Pheasant , ARNP

Nurse Practitioner - Adult Health

NPI 1427470996

Advanced Registered Nurse Practitioner

Dr. Hanno Muellner , MD

Internal Medicine

NPI 1548220684

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active October 07, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location October 07, 2008

Registered at 14 WILLIAMS ST, WILLIAMSBURG, MA 010969427 (Tel: 4132683616)

📍
Updated Business Mailing Address October 07, 2008

Registered at 14 WILLIAMS ST, PO BOX 765, WILLIAMSBURG, MA 010969427 (Tel: 4132683616)

👤
Provider Name / Credentials Updated October 07, 2008

Recorded as PETER SIERSMA, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 07, 2008

Internal Medicine (License #79023 in MA)

🟢
Initial NPI Registration & Enumeration March 23, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1730148149
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 23, 2006
Last Update: October 07, 2008
Sole Proprietor: No

Mailing Address

14 Williams St, Po Box 765

Williamsburg, MA 010969427

Phone: 4132683616

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.