What is Marcos Santiago Hernandez's specialty?

Marcos Santiago Hernandez (NPI 1619080389) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Juan, PR.

Where does Marcos Santiago Hernandez practice?

Marcos Santiago Hernandez practices in San Juan, PR, based on the location reported in the CMS Medicare provider datasets for NPI 1619080389.

How much does Medicare pay Marcos Santiago Hernandez?

Marcos Santiago Hernandez (NPI 1619080389) received approximately $15K in total Medicare Part B payments, serving 77 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events