What is Felix Castro's specialty?

Felix Castro (NPI 1518979160) is a Medicare-billing provider whose primary specialty is Internal Medicine in Annandale, VA.

Where does Felix Castro practice?

Felix Castro practices in Annandale, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1518979160.

How much does Medicare pay Felix Castro?

Felix Castro (NPI 1518979160) received approximately $134K in total Medicare Part B payments, serving 2,134 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1518979160

Felix CastroM.D., FACC

Internal MedicineAnnandale, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,948

Unique beneficiaries

—

Total services

3,420

Distinct HCPCS

Medicare payment

$130K

Peer benchmark

Total Medicare services vs. 2,091 Internal Medicine providers in VA — top quintile (cohort median 769).

PRESCRIBING · PART D · 2024

Total Rx claims

1,411

Beneficiaries

—

Total drug cost

$288K

Distinct drugs

Brand share

21.1%

Top prescribed drugs

Metoprolol Succinate175 claims

Apixaban149 claims

Atorvastatin Calcium137 claims

Furosemide87 claims

Amlodipine Besylate86 claims

QUALITY · MIPS · 2024

Final MIPS score

83.4

Quality

73.0

Cost

71.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$256

Payment records

By payment type

Food and Beverage$256

Top paying entities

Food and Beverage$256

REFERRAL NETWORK

Where Felix Castro'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). 244 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Director Of Finance-County Of Fairfax Va Ambulance Service Provider · Fairfax, VA	485	782
INOVA HEALTH CARE SERVICES	334	685
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	256	605
MEDICAL TRANSPORTATION SERVICES, LLC	177	363
Ingrid Schneider Diagnostic Radiology · Fairfax, VA	161	257
Kathryn Grumbach Diagnostic Radiology · Fairfax, VA	134	209
John Ruff Diagnostic Radiology · Fairfax, VA	128	194
O'CONNELL, ROBERT	110	176
Wei Shen Griggs Diagnostic Radiology · Fairfax, VA	105	175
SEARS-ROGAN, PAMELA	101	193
Marianne Shih Diagnostic Radiology · Fairfax, VA	78	127
Anne Safko Cardiology · Purcellville, VA	77	132

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