What is David Wallis's specialty?

David Wallis (NPI 1255383139) is a Medicare-billing provider whose primary specialty is Internal Medicine in Redondo Beach, CA.

Where does David Wallis practice?

David Wallis practices in Redondo Beach, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1255383139.

How much does Medicare pay David Wallis?

David Wallis (NPI 1255383139) received approximately $114K in total Medicare Part B payments, serving 182 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255383139

David WallisMD

PRACTICEDAVID WALLIS MEDICAL CORPORATIONSee all providers at this practice →

Internal MedicineRedondo Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,050

Unique beneficiaries

—

Total services

1,792

Distinct HCPCS

Medicare payment

$105K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

2,182

Beneficiaries

—

Total drug cost

$165K

Distinct drugs

Brand share

12.1%

Top prescribed drugs

Atorvastatin Calcium273 claims

Rosuvastatin Calcium179 claims

Amlodipine Besylate120 claims

Levothyroxine Sodium109 claims

Gabapentin75 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$345

Payment records

By payment type

Food and Beverage$345

Top paying entities

Food and Beverage$345

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050351

Hospital

CCN 050353

Hospital

CCN 050625

Hospital

REFERRAL NETWORK

Where David Wallis's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 22 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	346	1,222
PATHOLOGY, INC.	20	43
Westmed Ambulance Inc Ambulance Service Provider · Compton, CA	15	30
Albert Grabb Diagnostic Radiology · Torrance, CA	14	23
PO, JONATHAN	11	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	393	1,730
PROVIDENCE HEALTH SYSTEM SOUTHERN CALIFORNIA	30	71
Rola Magid Family Practice · Ventura, CA	23	67
PATHOLOGY, INC.	22	58
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	21	65
TIEGS, VERNA	18	50
Amanda Murphy Diagnostic Radiology · San Diego, CA	17	80
TORRANCE MEMORIAL MEDICAL CENTER	16	40
Mitchell Sklar Diagnostic Radiology · Torrance, CA	15	43
David Stone Diagnostic Radiology · Torrance, CA	15	41
John Maher Ophthalmology · Torrance, CA	14	43
Albert Grabb Diagnostic Radiology · Torrance, CA	13	40

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events