Doctor profile · Federal record

Dr. Christopher Littlejohn, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Longview, TX

  • NPI 1952764318
  • Accepts Medicare
  • MIPS 86.7 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1300 N 4Th St
Longview, TX 756014717
(903) 757-2122
fax (903) 757-9475
Additional location
10425 N Central Expy
Dallas, TX 752312208
(214) 361-2025
Additional location
1400 N 4Th St
Longview, TX 756014756
Mailing address
Po Box 911230
Dallas, TX 753911230

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
January 8, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Texas #R5425

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952764318. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30,453
Distinct HCPCS
10
Medicare allowed
$300,276
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 9,690 16 $0
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 8,250 23 $3
J1756 Injection, iron sucrose, 1 mg 5,800 20 $0
J9271 Injection, pembrolizumab, 1 mg 3,600 13 $55
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,103 12 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 568 27 $0
J1626 Injection, granisetron hydrochloride, 100 mcg 230 11 $0
36415 Insertion of needle into vein for collection of blood sample 124 53 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 109 50 $8
96413 Administration of chemotherapy into vein, 1 hour or less 105 69 $125

In context: peer comparison

Among 2 peers in this city , average services per provider: 857. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,365
Transactions
53
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 8 $145.01
Janssen Biotech, Inc. 4 $132.69
Eisai Inc. 5 $124.98
E.R. Squibb & Sons, L.L.C. 7 $110.01
Incyte Corporation 4 $103.57
Bayer Healthcare Pharmaceuticals Inc. 4 $98.63
GlaxoSmithKline, LLC. 5 $90.37
Merck Sharp & Dohme LLC 4 $87.02
PFIZER INC. 2 $76.73
Tempus AI, Inc 3 $72.11
Aveo Pharmaceuticals, Inc. 2 $65.16
TAIHO ONCOLOGY, INC. 1 $32.65
Lilly USA, LLC 2 $31.30
Mirati Therapeutics, Inc. 1 $23.79
Blueprint Medicines Corporation 1 $23.43

By nature of payment

Food and Beverage
$1,365

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Littlejohn's medical specialty?
Dr. Christopher Littlejohn practices Hematology & Oncology Physician in Longview, TX.
Where does Dr. Christopher Littlejohn practice?
Dr. Christopher Littlejohn practices at 1300 N 4Th St, Longview, TX 756014717. Office phone: 9037572122.
What is Dr. Christopher Littlejohn's NPI?
Dr. Christopher Littlejohn's National Provider Identifier (NPI) is 1952764318, issued by NPPES.
Does Dr. Christopher Littlejohn accept Medicare assignment?
Yes. Dr. Christopher Littlejohn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Littlejohn commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, iron sucrose, 1 mg (HCPCS J1756). Source: CMS Medicare Physician & Other Practitioners file.