Doctor profile · Federal record

Dr. Larry Barker, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · Sherman, TX

  • NPI 1518901115
  • Accepts Medicare
  • MIPS 71.6 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 Highway 75 North
Sherman, TX 750900504
(903) 892-9455
fax (903) 892-4910
Mailing address
Po Box 911230
Dallas, TX 753911230

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 10, 2017
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Texas #E6223
Medicaid (10)
TX #138539507 · TX #138539508 · TX #138539510 · TX #138539513 · TX #138539501 · TX #138539502 · TX #138539504 · TX #138539505 · OK #100084380A · TX #138539503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518901115. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,649
Distinct HCPCS
2
Medicare allowed
$5,146
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 5,610 11 $0
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 39 28 $61

In context: peer comparison

Among 2 peers in Sherman Medical Oncology Physician, average services per provider: 880. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Geron Corporation 1 $18.63

By nature of payment

Food and Beverage
$19

Frequently asked questions

Auto-generated from federal data
What is Dr. Larry Barker's medical specialty?
Dr. Larry Barker practices Medical Oncology Physician in Sherman, TX.
Where does Dr. Larry Barker practice?
Dr. Larry Barker practices at 2800 Highway 75 North, Sherman, TX 750900504. Office phone: 9038929455.
What is Dr. Larry Barker's NPI?
Dr. Larry Barker's National Provider Identifier (NPI) is 1518901115, issued by NPPES.
Does Dr. Larry Barker accept Medicare assignment?
Yes. Dr. Larry Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larry Barker commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Infusion into a vein for therapy, prevention, or diagnosis (HCPCS 96365). Source: CMS Medicare Physician & Other Practitioners file.