PROVIDER PROFILE · NPI 1619080389

Marcos Santiago HernandezMD

Internal MedicineSan Juan, PRI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

221

Distinct HCPCS

Medicare payment

$12K

Peer benchmark

Total Medicare services vs. 426 Internal Medicine providers in PR — top quintile (cohort median 105).

PRESCRIBING · PART D · 2024

Total Rx claims

6,648

Beneficiaries

—

Total drug cost

$647K

Distinct drugs

107

Brand share

22.9%

Top prescribed drugs

Atorvastatin Calcium358 claims

Metoprolol Succinate320 claims

Levothyroxine Sodium293 claims

Simvastatin293 claims

Rosuvastatin Calcium290 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Marcos Santiago Hernandez'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Tomas Jimenez Diagnostic Radiology · San Juan, PR	29	90
Josue Mercado Cardiology · San Juan, PR	28	79
Lope Gomez-Hormazagal General Practice · Carolina, PR	15	37
Lisette Huertas-Sola Internal Medicine · Carolina, PR	12	37
Hilda Rivera Quinones Hematology-Oncology · San Juan, PR	11	53

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