Christopher Littlejohn, M.D.
NPI 1952764318 · Hematology & Oncology Physician · Longview, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Littlejohn, M.D. is a Hematology & Oncology Physician provider in Longview, TX (NPI 1952764318).
Provider details
- NPI number
- 1952764318
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R5425 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,474 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 656 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 583 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 391 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 363 | $16 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 334 | $121 |
| Injection of Additional New Drug Or Substance Into Vein96375 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 87 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 86 | 37 |
| Letrozole | 81 | 18 |
| Dexamethasone | 49 | 20 |
| Prednisone | 34 | 12 |
| Olanzapine | 34 | 14 |
| Hydroxyurea | 33 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,365 across 61 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 10425 N Central ExpyDallas, TX 75231-2208Phone: (214) 361-2025
- 1400 N 4th StLongview, TX 75601-4756Phone: (903) 757-2122Fax: (903) 757-9475
Registry dates
- Enumerated
- 2016-04-03
- Last updated
- 2024-01-08
- Certified
- 2024-01-08
Frequently asked questions
- What is Christopher Littlejohn's NPI number?
- Christopher Littlejohn's National Provider Identifier (NPI) is 1952764318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Littlejohn's specialty?
- Christopher Littlejohn is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Littlejohn located?
- Christopher Littlejohn's practice location on file with NPPES is 1300 N 4th St, Longview, TX 75601-4717.
- What is Christopher Littlejohn's phone number?
- The practice phone number listed in the NPPES registry for Christopher Littlejohn is (903) 757-2122.
- Does Christopher Littlejohn accept Medicare?
- Christopher Littlejohn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Littlejohn's NPI active?
- Yes — Christopher Littlejohn's NPI (1952764318) is active in the NPPES registry as of the last update on 2024-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.