DR. PATRICIA A. LEONARD (M.D.) – Allergy & Immunology Physician, NPI 1407895600
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
390 ALLERGY/IMMUNOLOGY in TX
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Provider Addresses for DR. PATRICIA A. LEONARD (M.D.)
Southwest Freeway, Richmond, Fort Bend County, Texas, United States
SUGAR LAND, TX 774783842
Phone: (281) 649-7000
Fax: (713) 484-6649
Type: Mailing
780, West Sam Houston Parkway North, Town & Country / CityCentre, Houston, Harris County, Texas, 77024, United States
SUITE 400
HOUSTON, TX 770243943
Phone: (281) 649-7500
Fax: (713) 468-1255
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 158 Open Payments records for all available years, with a total value of $3,743.
Total Amount is formed as General ($3,743) + Research ($0) + Ownership ($0) = $3,743.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: GENZYME CORPORATION ($957).
Total Amount
$3,743
General + Research + Ownership
Payments
158
Total payment records
General Amount
$3,743
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $957 |
| GlaxoSmithKline, LLC. | $774 |
| AstraZeneca Pharmaceuticals LP | $532 |
| Regeneron Healthcare Solutions, Inc. | $272 |
| Amgen Inc. | $171 |
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: 2009-12-15
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 |
|---|---|---|---|---|
| I20091215000133 | I | Allergy/Immunology | 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 |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 2,531 | 41 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 1,719 | 127 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 760 | 25 | $0 |
| 95117 | Professional service for multiple injections of allergen | 716 | 41 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 94 | 68 | $0 |
Insurance plans in this area (ZIP 77478)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | TX | |
| Qualified Audiologist | TX | |
| O T O L A R Y N G O L O G Y | TX | |
| - | TX | |
| - | TX | |
| O T O L A R Y N G O L O G Y | TX | |
| O T O L A R Y N G O L O G Y | TX | |
| Qualified Audiologist | TX |
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