WALTER L SEALE (MD) – Clinical Cardiac Electrophysiology Physician, NPI 1720033459

WALTER L SEALE (MD) is a healthcare provider. based in Petaluma, California. specializing in INTERNAL MEDICINE, CARDIOVASCULAR DISEASE (CARDIOLOGY), CARDIAC ELECTROPHYSIOLOGY. They hold the professional credentials MD. They hold a License No. G58909 (CA). The NPI Number for WALTER L SEALE (MD) is 1720033459

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
WALTER L SEALE (MD)
NPI
1720033459
Phone
(707) 790-8000
Address
141 Lynch Creek Way Ste C
Enumeration Date
23 May 2006
Last Update Date
4 April 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7077630802
Graduation Year
1985 (41 years ago)
PAC ID
5890693048
Group Practice PAC ID
8921993205
Professional Enrollment ID
I20240418001910
Address ID
CA949542390PE141XXWAYX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness75
Years active:20State licenses:2Digital endpointsOther names

21,511 INTERNAL MEDICINE in CA

Provider Addresses for WALTER L SEALE (MD)

  • 141 Lynch Creek Way Ste C

    Petaluma, CA 949542390

    Phone: (707) 790-8000

    Type: Location

  • Curtisian Avenue, Boise Junction, Boise, Ada County, Idaho, 83704, United States

    STE 200

    BOISE, ID 83704

    Phone: (208) 322-1680

    Fax: (208) 322-1695

    Type: Mailing

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: 2024-04-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20031223000868ICardiac ElectrophysiologyIDTBD
I20240418001910ICardiovascular Disease (Cardiology)CATBD

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 94954)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8921993205View full group profile

Reviews

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Frequently asked questions

Does WALTER L SEALE (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — WALTER L SEALE (MD) uses 1720033459.
Can I rely on WALTER L SEALE (MD) being an active provider?
As of the registry snapshot, WALTER L SEALE (MD) is marked active.
What is WALTER L SEALE (MD) best known for clinically?
Directory data describes WALTER L SEALE (MD) with Clinical Cardiac Electrophysiology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for WALTER L SEALE (MD)?
WALTER L SEALE (MD)'s geographic hint is Petaluma, California in our summary view.
Is the information about WALTER L SEALE (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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