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DAVID WALLIS MEDICAL CORPORATION
NPI 1629736384
Internal Medicine in Redondo Beach, CA

Active since November 30, 2021
520 N PROSPECT AVE STE 309, REDONDO BEACH, CA 90277(424) 437-4700(424) 437-8884 Get Directions Write a Review

NPPES record last updated: September 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 27, 2024, Nov 30, 2021 (2 updates tracked since 2021).

About David Wallis Medical Corporation NPPES

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

DAVID WALLIS MEDICAL CORPORATION (NPI 1629736384) is a healthcare organization registered as an internal medicine in Redondo Beach, California and active in the NPI registry since November 2021. The organization lists David H Wallis, Owner, as its authorized official.

NPPES Registry Identity

NPI1629736384
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDAVID WALLIS MEDICAL CORPORATION
Location Address520 N PROSPECT AVE STE 309Redondo Beach, CA 90277-3043
Mailing AddressPo Box 66657Seattle, WA 98166-0657 · (424) 437-4700 · Fax (424) 437-8884
Phone(424) 437-4700
Fax(424) 437-8884
Organization SubpartNo
Authorized OfficialDavid H WallisOwner · (424) 437-4700
Enumeration DateNovember 30, 2021
Last NPPES UpdateSeptember 27, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2024
✔ NPI 1629736384 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
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.
520 N PROSPECT AVE STE 309, Redondo Beach, CA 90277
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Wallis Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to David Wallis Medical Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

David Wallis, MD
Internal Medicine
NPI 1255383139
520 N PROSPECT AVE STE 309
Redondo Beach, CA 90277
(424) 437-4700
✔ PECOS✔ Accepts MedicareSame address
Mona Madani, M.D.
Family Practice
NPI 1891112223
520 N PROSPECT AVE STE 309
Redondo Beach, CA 90277
(244) 374-7004
✔ PECOS✔ Accepts Medicare1.2 mi

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

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 Wallis Medical Corporation's NPI number?

The NPI number for David Wallis Medical Corporation is 1629736384. It was assigned to this organization in the NPPES registry on November 30, 2021.

Where is David Wallis Medical Corporation located?

David Wallis Medical Corporation is located at 520 N Prospect Ave Ste 309, Redondo Beach, CA 90277. The listed phone number is (424) 437-4700.

What is David Wallis Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is David Wallis Medical Corporation enrolled in Medicare?

Yes. David Wallis Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David Wallis Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to David Wallis Medical Corporation, in Family Practice and Internal Medicine. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for David Wallis Medical Corporation was last updated on September 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.