Joseph J. Mattern III, M.D.

NPI 1023060423ActiveIndividual· Family Medicine· Port Townsend, WA

Family Medicine (M.D.) with Jefferson County Public Hospital District No 2, practicing in Port Townsend, Washington. Part D covered 3,212 prescriptions written in 2024, 88% of them generic. Lists Jefferson Healthcare and 1 other hospital as hospital affiliations.

Overview

NPI	1023060423
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	May 16, 2006
Last updated in NPPES	Sep 2, 2011

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	MD00042614	WA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Family Practice (WA)

Part D prescriptions in 2024

Prescriptions (claims)	3,212 · 6,113 30-day fills
Patients	179
Total drug cost	$237,076
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Graduation year	2000
Medicare specialty	Family Practice
Secondary specialties	Obstetrics/Gynecology

Medical group

Jefferson County Public Hospital District No 2Port Townsend, WA · 147 clinicians

Hospital affiliations

Jefferson HealthcarePort Townsend, WA
Olympic Medical CenterPort Angeles, WA

Other facilities

Jefferson Healthcare Home HealthHome health agency · Port Townsend, WA
Jefferson Healthcare Home HealthHospice · Pt Townsend, WA

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Family Medicine providers in Port Townsend

Madrona Family Medicine, Ps
Port Townsend, WA · Organization
1154528156
Quimper Family Medicine PC
Port Townsend, WA · Organization
1083932917
Sarah Rachel Abhold, DO
Port Townsend, WA · Individual
1962991992
Katherine Biccum, D.O.
Port Townsend, WA · Individual
1407236912
Rachel Lynn Bickling, MD
Port Townsend, WA · Individual
1760587133
Todd J. Carlson, M.D.
Port Townsend, WA · Individual
1164475554
Stephen T. Erickson, MD
Port Townsend, WA · Individual
1932259587
David F. Harris, M.D.
Port Townsend, WA · Individual
1154373553
Claus Henner Janssen, M.D.
Port Townsend, WA · Individual
1992758312
Shannan Kirchner, M.D.
Port Townsend, WA · Individual
1518994615
Melanie McGrory, MD
Port Townsend, WA · Individual
1063560191
Molly B. Parker, M.D.
Port Townsend, WA · Individual
1124224225

All Family Medicine providers in Washington →