Doctor profile · Federal record

Dr. John Sarantopoulos, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · San Antonio, TX

  • NPI 1861495343
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7979 Wurzbach RD
San Antonio, TX 782294427
(210) 450-1000
fax (210) 450-1150
Mailing address
7703 Floyd Curl Dr, Mc 7977
San Antonio, TX 782293901

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
August 18, 2010
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Texas #L8940
Medicaid
TX #168379902

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861495343. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14,065
Distinct HCPCS
10
Medicare allowed
$267,740
HCPCS Description Services Patients Avg allowed
J9263 Injection, oxaliplatin, 0.5 mg 4,430 12 $0
J9271 Injection, pembrolizumab, 1 mg 3,600 14 $54
J1453 Injection, fosaprepitant, 1 mg 3,000 15 $0
J2405 Injection, ondansetron hydrochloride, per 1 mg 768 36 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 689 41 $0
J9190 Injection, fluorouracil, 500 mg 263 17 $2
J2469 Injection, palonosetron hcl, 25 mcg 210 16 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 208 107 $125
J3475 Injection, magnesium sulfate, per 500 mg 160 19 $1
96375 Injection of additional new drug or substance into vein 155 51 $15

In context: peer comparison

Among 19 peers in this city , average services per provider: 585. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90,135
Transactions
121
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Exelixis Inc. 64 $38,625.92
PFIZER INC. 21 $22,722.86
Regeneron Healthcare Solutions, Inc. 26 $17,216.81
Astellas Pharma US Inc 7 $10,735.74
ARRAY BIOPHARMA INC 1 $720.00
AstraZeneca Pharmaceuticals LP 1 $90.36
Eisai Inc. 1 $22.90

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$44,000
Compensation for serving as faculty or as a speaker for a medical education program
$29,865
Travel and Lodging
$14,580
Food and Beverage
$1,690

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
275
Patients
32
Total drug cost
$923,238
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 69 12 $3,779
Prednisone Generic 52 20 $435
Abiraterone Acetate Generic 36 0 $183,032
Alprazolam Generic 24 0 $373
Morphine Sulfate Er (Morphine Sulfate) Brand 20 0 $641
Cabometyx (Cabozantinib S-Malate) Brand 19 0 $465,238
Metoclopramide Hcl Generic 18 0 $60
Morphine Sulfate Generic 14 0 $853
Levothyroxine Sodium Generic 12 0 $128
Lenvima (Lenvatinib Mesylate) Brand 11 0 $268,700

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Sarantopoulos's medical specialty?
Dr. John Sarantopoulos practices Medical Oncology Physician in San Antonio, TX.
Where does Dr. John Sarantopoulos practice?
Dr. John Sarantopoulos practices at 7979 Wurzbach RD, San Antonio, TX 782294427. Office phone: 2104501000.
What is Dr. John Sarantopoulos's NPI?
Dr. John Sarantopoulos's National Provider Identifier (NPI) is 1861495343, issued by NPPES.
Does Dr. John Sarantopoulos accept Medicare assignment?
Yes. Dr. John Sarantopoulos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Sarantopoulos commonly perform?
Top Medicare-reported procedures in 2023: Injection, oxaliplatin, 0.5 mg (HCPCS J9263); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453). Source: CMS Medicare Physician & Other Practitioners file.