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DR. DAVID P SLACK MD
NPI 1356351795
Specialist in Olympia, WA

Active since August 08, 2006PECOS Enrolled
700 LILLY RD NE, OLYMPIA, WA 98506(509) 241-7938(360) 923-7089 Get Directions Write a Review

NPPES record last updated: May 5, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. David P Slack Md NPPES

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

DR. DAVID P SLACK MD (NPI 1356351795) is an individual specialist in Olympia, Washington, licensed in Washington (MD00044806) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Centralia.

NPPES Registry Identity

NPI1356351795
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. DAVID P SLACKCredential: MD
Location Address700 LILLY RD NEOlympia, WA 98506-5196
Mailing Address700 Lilly Rd NeOlympia, WA 98506-5196 · (509) 241-7938 · Fax (360) 923-7089
Phone(509) 241-7938
Fax(360) 923-7089
Sole ProprietorNo
Enumeration DateAugust 8, 2006
Last NPPES UpdateMay 5, 2021
NPPES CertifiedMay 5, 2021
✔ NPI 1356351795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in WA · MD00044806
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
700 LILLY RD NE, Olympia, WA 98506
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Secondary Practice Location 1

Location 11809 Cooks Hill RdCentralia, WA 98531-9072 · Phone (360) 330-8626 · Fax (360) 330-8623

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David P Slack Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David Slack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of Washington
40 mi
Multi-Specialty
2715 NACHES AVE SW # GSWA1N02
Renton, WA 98057
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
NPI 1124264577 (509) 241-7349

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

AMIHAN A FERRER M.D.
Family Medicine
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
DAVID A REMIS
Dermatology
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
MICHAEL W BALFE M.D.
Family Medicine
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
STACY E DELL
Counselor (Mental Health)
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
GORDON WHEAT M.D.
Family Medicine
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
MONIQUE C. SEMIEN MD
Internal Medicine (Hematology & Oncology)
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
BAHRAM BADRI
Family Medicine
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000
ELIZABETH A HOWELL MD
Obstetrics & Gynecology
700 LILLY RD NE
OLYMPIA, WA 98506
Thurston County (360) 923-7000

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 Slack's NPI number?

The NPI number for David Slack is 1356351795. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is David Slack located?

David Slack practices at 700 Lilly Rd NE, Olympia, WA 98506. The listed phone number is (509) 241-7938.

What is David Slack's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is David Slack enrolled in Medicare?

Yes. David Slack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Slack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Slack reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Renton, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Slack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Slack accept?

Health plans from Providence Health Plan list David Slack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Slack was last updated on May 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.