DR. L. DOUGLAS MARSH (M.D.) – General Practice Physician, NPI 1356335046

DR. L. DOUGLAS MARSH (M.D.) is a healthcare provider. based in Vancouver, Washington. specializing in General Practice Physician. They hold the professional credentials M.D.. They hold a License No. 31623 (WA). The NPI Number for DR. L. DOUGLAS MARSH (M.D.) is 1356335046

Main info

Male
Name
DR. L. DOUGLAS MARSH (M.D.)
NPI
1356335046
Phone
(360) 695-9922
Address
4421 NE ST JOHNS RD
Enumeration Date
8 September 2005
Last Update Date
24 January 2019
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. L. DOUGLAS MARSH (M.D.)

  • 4421, Northeast Saint Johns Road, West Minnehaha, Vancouver, Clark County, Washington, 98661, United States

    VANCOUVER, WA 986612573

    Phone: (360) 695-9922

    Fax: (360) 695-1310

    Type: Mailing

  • 406, Southeast 131st Avenue, Vancouver, Clark County, Washington, 98684, United States

    SUITE A101

    VANCOUVER, WA 986834004

    Phone: (360) 253-2822

    Fax: (360) 253-8642

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-01-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100126000683IGeneral PracticeWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98661)

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Reviews

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Frequently asked questions

How do I look up DR. L. DOUGLAS MARSH (M.D.) by NPI?
Use NPI 1356335046 when you need to reference DR. L. DOUGLAS MARSH (M.D.) in forms, claims, or directories.
Is DR. L. DOUGLAS MARSH (M.D.) active in the national directory?
DR. L. DOUGLAS MARSH (M.D.)'s public NPI profile is in an active state.
What kind of provider is DR. L. DOUGLAS MARSH (M.D.)?
The page reflects General Practice Physician for DR. L. DOUGLAS MARSH (M.D.). Clinical services aligned with this taxonomy classification.
What location shows for DR. L. DOUGLAS MARSH (M.D.)?
We surface Vancouver, Washington for DR. L. DOUGLAS MARSH (M.D.) based on available NPPES addresses.
What if Vancouver, Washington seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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