CHRISTOPHER LAKE LITTLEJOHN (M.D.) – Hematology & Oncology Physician, NPI 1952764318
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,006 HEMATOLOGY/ONCOLOGY in TX
Provider Addresses for CHRISTOPHER LAKE LITTLEJOHN (M.D.)
John Peter Smith Hospital, 1500, South Main Street, Fort Worth, Tarrant County, Texas, 76104, United States
FORT WORTH, TX 761044917
Phone: (817) 702-3431
Type: Mailing
1400 N 4th St
Longview, TX 756014756
Phone: (903) 757-2122
Fax: (903) 757-9475
Type: Location
10425 N Central Expy
Dallas, TX 752312208
Phone: (214) 361-2025
Type: Location
1300 N 4TH ST
LONGVIEW, TX 756014717
Phone: (903) 757-2122
Fax: (903) 757-9475
Type: Location
10425 N CENTRAL EXPY
DALLAS, TX 752312208
Phone: (214) 361-2025
Type: Location
PO BOX 911230
DALLAS, TX 753911230
Phone: (972) 997-8000
Fax: (972) 234-2987
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 90 Open Payments records for all available years, with a total value of $2,106.
Total Amount is formed as General ($2,106) + Research ($0) + Ownership ($0) = $2,106.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Janssen Biotech, Inc. ($231).
Total Amount
$2,106
General + Research + Ownership
Payments
90
Total payment records
General Amount
$2,106
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $231 |
| Incyte Corporation | $179 |
| AstraZeneca Pharmaceuticals LP | $145 |
| Eisai Inc. | $125 |
| E.R. Squibb & Sons, L.L.C. | $110 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-06-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220603002571 | I | Hematology/Oncology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare 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 | $0 |
| J1756 | Injection, iron sucrose, 1 mg | 5,800 | 20 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 3,600 | 13 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,103 | 12 | $0 |
Insurance plans in this area (ZIP 76104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Surgical Oncology | TX | |
| Medical Oncology, Internal Medicine | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Medical Oncology, Internal Medicine | TX | |
| Medical Oncology, Internal Medicine | TX | |
| Hematology/Oncology, Internal Medicine, Medical Oncology | TX | |
| Radiation Oncology | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| - | TX |
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