What is John Sarantopoulos's specialty?

John Sarantopoulos (NPI 1861495343) is a Medicare-billing provider whose primary specialty is Medical Oncology in San Antonio, TX.

Where does John Sarantopoulos practice?

John Sarantopoulos practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1861495343.

How much does Medicare pay John Sarantopoulos?

John Sarantopoulos (NPI 1861495343) received approximately $1.5M in total Medicare Part B payments, serving 314 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861495343

John SarantopoulosM.D.

PRACTICEUT HEALTHSee all providers at this practice →

Medical OncologySan Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

955

Unique beneficiaries

—

Total services

18,075

Distinct HCPCS

Medicare payment

$535K

Peer benchmark

Total Medicare services vs. 393 Medical Oncology providers in TX — above median (cohort median 4,999).

PRESCRIBING · PART D · 2024

Total Rx claims

496

Beneficiaries

—

Total drug cost

$1.5M

Distinct drugs

Brand share

42.1%

Top prescribed drugs

Hydrocodone/Acetaminophen102 claims

Prednisone95 claims

Abiraterone Acetate88 claims

Cabozantinib S-Malate34 claims

Morphine Sulfate30 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$58K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$32K

Compensation for serving as faculty or as a speaker for a medical education program$15K

Travel and Lodging$8K

Consulting Fee$2K

Food and Beverage$1K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$32K

Compensation for serving as faculty or as a speaker for a medical education program$15K

Travel and Lodging$8K

Consulting Fee$2K

Food and Beverage$1K

REFERRAL NETWORK

Where John Sarantopoulos'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Devalingam Mahalingam Hematology-Oncology · Chicago, IL	81	737
Sukeshi Arora Medical Oncology · San Antonio, TX	58	240
Woondong Jeong Hematology-Oncology · Tomball, TX	46	301
Laura Tenner Medical Oncology · San Antonio, TX	37	153
Elizabeth Diaz Physician Assistant · San Antonio, TX	34	117
Abhijit Sunnapwar Diagnostic Radiology · San Antonio, TX	26	59
Anand Karnad Hematology-Oncology · San Antonio, TX	25	125
Vijayanadh Ojili Diagnostic Radiology · San Antonio, TX	18	48
FRECKLETON, MICHAEL	16	42
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	14	95
Ying Li Radiation Oncology · San Antonio, TX	13	76
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	12	43

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