PROVIDER PROFILE · NPI 1538239173

Gustavo DayM.D.

Internal MedicineDallas, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,693

Unique beneficiaries

—

Total services

6,232

Distinct HCPCS

Medicare payment

$223K

Peer benchmark

Total Medicare services vs. 6,183 Internal Medicine providers in TX — top quintile (cohort median 673).

PRESCRIBING · PART D · 2024

Total Rx claims

33,296

Beneficiaries

—

Total drug cost

$3.7M

Distinct drugs

254

Brand share

26.8%

Top prescribed drugs

Hydrocodone/Acetaminophen1,944 claims

Atorvastatin Calcium1,756 claims

Losartan Potassium1,361 claims

Alprazolam1,033 claims

Gabapentin860 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$5K

Payment records

247

By payment type

Food and Beverage$5K

REFERRAL NETWORK

Where Gustavo Day'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Laboratory Corporation Of America Clinical Laboratory · Dallas, TX	228	503
POSTMA, TOM	16	75
Uday Kanamalla Interventional Radiology · Dallas, TX	13	43
TEXAS HEALTH PRESBYTERIAN HOSPITAL DALLAS	13	38
LANE, BENNIE	12	52
Prabhakar Kesava Diagnostic Radiology · Lynnwood, WA	12	42
Richard Bluestein Emergency Medicine · Dallas, TX	11	33

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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