Doctor profile · Federal record

Dr. Thomas Gross, MD

Pediatric Hematology & Oncology Physician · Pediatric Hematology & Oncology Physician · Pediatric Hematology & Oncology Physician · Phoenix, AZ

  • NPI 1285636258
  • 21 yrs on file
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1919 E Thomas RD
Phoenix, AZ 850167710
(602) 933-1000
Additional location
13123 E 16Th Ave
Aurora, CO 800457106
(720) 777-1234
Mailing address
2108 E Thomas RD Ste 130
Phoenix, AZ 850160008

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
October 25, 2023
Specialty taxonomy
2080P0207X — NUCC code
State licenses (3)
Arizona #71019 · Ohio #35075261 · Colorado #DR.0064358
Medicaid
AZ #133198

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285636258. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19,472
Transactions
6
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
F. Hoffmann-la Roche Ag 6 $19,471.64

By nature of payment

Travel and Lodging
$11,019
Consulting Fee
$8,360
Food and Beverage
$92

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Gross's medical specialty?
Dr. Thomas Gross practices Pediatric Hematology & Oncology Physician in Phoenix, AZ.
Where does Dr. Thomas Gross practice?
Dr. Thomas Gross practices at 1919 E Thomas RD, Phoenix, AZ 850167710. Office phone: 6029331000.
What is Dr. Thomas Gross's NPI?
Dr. Thomas Gross's National Provider Identifier (NPI) is 1285636258, issued by NPPES.