Brian De, MD
NPI 1639660020 · Radiation Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian De, MD is a Radiation Oncology Physician provider in Houston, TX (NPI 1639660020).
Provider details
- NPI number
- 1639660020
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- U2472 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
773 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 234 | $32 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 197 | $20 |
| Design and Construction of Complex Radiation Treatment Device77334 | 76 | $60 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 39 | $191 |
| Complex Radiation Therapy Planning77263 | 34 | $151 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $144 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 1 distinct drug on file.
| Drug | Part D claims (2024) |
|---|---|
| Memantine Hcl | 13 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-22
- Last updated
- 2023-07-12
- Certified
- 2023-07-12
Frequently asked questions
- What is Brian De's NPI number?
- Brian De's National Provider Identifier (NPI) is 1639660020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian De's specialty?
- Brian De is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian De located?
- Brian De's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4000.
- What is Brian De's phone number?
- The practice phone number listed in the NPPES registry for Brian De is (713) 792-6161.
- Does Brian De accept Medicare?
- Brian De is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian De's NPI active?
- Yes — Brian De's NPI (1639660020) is active in the NPPES registry as of the last update on 2023-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.