David Wallis, MD
NPI 1255383139 · Internal Medicine Physician · Redondo Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Wallis, MD is a Internal Medicine Physician provider in Redondo Beach, CA (NPI 1255383139).
Provider details
- NPI number
- 1255383139
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A77627 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,687 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 491 | $135 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 323 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 290 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 132 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 123 | $90 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 273 | 69 |
| Rosuvastatin Calcium | 179 | 49 |
| Amlodipine Besylate | 120 | 32 |
| Levothyroxine Sodium | 109 | 28 |
| Gabapentin | 75 | 23 |
| Ezetimibe | 68 | 24 |
| Omeprazole | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$345 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2024-10-09
- Certified
- 2024-10-09
Frequently asked questions
- What is David Wallis's NPI number?
- David Wallis's National Provider Identifier (NPI) is 1255383139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Wallis's specialty?
- David Wallis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Wallis located?
- David Wallis's practice location on file with NPPES is 520 N Prospect Ave Ste 309, Redondo Beach, CA 90277-3043.
- What is David Wallis's phone number?
- The practice phone number listed in the NPPES registry for David Wallis is (424) 437-4700.
- Does David Wallis accept Medicare?
- David Wallis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Wallis's NPI active?
- Yes — David Wallis's NPI (1255383139) is active in the NPPES registry as of the last update on 2024-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.