Rene Leon, M.D.
NPI 1639255896 · Allergy Physician · Southlake, TX
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rene Leon, M.D. is a Allergy Physician provider in Southlake, TX (NPI 1639255896).
Provider details
- NPI number
- 1639255896
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J1167 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,916 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,327 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,972 | $14 |
| Professional Service for Multiple Injections of Allergen95117 | 517 | $12 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 464 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 435 | $123 |
| Professional Service for Single Injection of Allergen95115 | 380 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 108 | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 94 | 56 |
| Montelukast Sodium | 50 | 17 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 45 | — |
| Azithromycin | 41 | 19 |
| Igg/Hyaluronidase,recombinantbrand: Hyqvia | 36 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,822 across 131 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 (1)
- 3349 Golden Triangle BlvdFort Worth, TX 76177-7165Phone: (817) 421-0770Fax: (817) 562-5008
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2024-01-09
- Certified
- 2023-11-02
Frequently asked questions
- What is Rene Leon's NPI number?
- Rene Leon's National Provider Identifier (NPI) is 1639255896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rene Leon's specialty?
- Rene Leon is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Rene Leon located?
- Rene Leon's practice location on file with NPPES is 900 E Southlake Blvd, Southlake, TX 76092-6375.
- What is Rene Leon's phone number?
- The practice phone number listed in the NPPES registry for Rene Leon is (817) 421-0770.
- Does Rene Leon accept Medicare?
- Rene Leon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rene Leon's NPI active?
- Yes — Rene Leon's NPI (1639255896) is active in the NPPES registry as of the last update on 2024-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.