David Wallis, MD
Internal Medicine Physician · Redondo Beach, CA
David Wallis, MD is an internal medicine physician with a practice address in Redondo Beach, California, and NPI 1255383139, issued on May 17, 2006. Check the license (California A77627, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Wallis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A77627 CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 N Prospect Ave Ste 309, Redondo Beach, CA 90277
- Phone
- (424) 437-4700
- Enumerated
- May 17, 2006
- Record last updated
- Oct 9, 2024
- Fax
- (424) 437-8884
- Medicare enrollment
- Enrolled (PECOS I20040209001308); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 520 N Prospect Ave Ste 309
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mona Madani, M.D.Family Medicine Physician1891112223
Verify David Wallis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,752 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium273 claims
- Rosuvastatin Calcium179 claims
- Amlodipine Besylate120 claims
- Levothyroxine Sodium109 claims
- Gabapentin75 claims
- Ezetimibe68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $344.54
3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- David Wallis Medical CorporationRedondo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Wallis among 17,696 internal medicine physician records in California
David Wallis, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 internal medicine physician records list a practice address in Redondo Beach
They are 28 of the 1,513 NPPES records with a practice address in Redondo Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redondo Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Alexander, M.D.Redondo Beach, CA 902771265595136
- John Armato, MDRedondo Beach, CA 902771447263926
- Weip Chen, M.D.Redondo Beach, CA 902771295754281
- Julie Delilly, M.DRedondo Beach, CA 902771790890408
- Gabriele Engelhardt, M.D.Redondo Beach, CA 902771992810634
- Diane Ferguson, M.D.Redondo Beach, CA 902771447294384
- Brian Gee, M.D.Redondo Beach, CA 902771962585828
- John Johnson, MDRedondo Beach, CA 902771194786764
Common questions
What is David Wallis, MD's NPI number?
David Wallis, MD's National Provider Identifier (NPI) is 1255383139, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Wallis, MD located?
The NPPES record lists a practice address at 520 N Prospect Ave Ste 309, Redondo Beach, CA, 90277. Phone: (424) 437-4700. Providers update this record themselves, so call before visiting.
How can I verify David Wallis, MD's license?
NPPES lists California license number A77627, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Wallis, MD prescribe under Medicare Part D?
In 2024, David Wallis, MD had 2,752 Medicare Part D claims for 181 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.