Kathryn Lewis, M.D.
NPI 1215920640 · Radiation Oncology Physician · Nacogdoches, TX
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Lewis, M.D. is a Radiation Oncology Physician provider in Nacogdoches, TX (NPI 1215920640).
Provider details
- NPI number
- 1215920640
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- H0564 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,428 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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 1,322 | $42 |
| Calculation of Radiation Therapy Dose77300 | 507 | $31 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 367 | $180 |
| Design and Construction of Complex Radiation Treatment Device77334 | 292 | $57 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 230 | $19 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 59 | 26 |
| Gabapentin | 47 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 32 | 15 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 24 | — |
| Ibuprofen | 24 | — |
| Levothyroxine Sodium | 20 | — |
| Sucralfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 5 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
Registry dates
- Enumerated
- 2005-08-31
- Last updated
- 2007-11-16
Frequently asked questions
- What is Kathryn Lewis's NPI number?
- Kathryn Lewis's National Provider Identifier (NPI) is 1215920640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Lewis's specialty?
- Kathryn Lewis is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Lewis located?
- Kathryn Lewis's practice location on file with NPPES is 4920 N.e. Stallilngs Drive, Nacogdoches, TX 75961.
- What is Kathryn Lewis's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Lewis is (936) 568-3493.
- Does Kathryn Lewis accept Medicare?
- Kathryn Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Lewis's NPI active?
- Yes — Kathryn Lewis's NPI (1215920640) is active in the NPPES registry as of the last update on 2007-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.