LESLEY ANNE OSBORN (MD) – Emergency Medicine Physician, NPI 1003253725
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,051 EMERGENCY MEDICINE in TX
Provider Addresses for LESLEY ANNE OSBORN (MD)
6431 FANNIN ST
SUITE JJL 431
HOUSTON, TX 770301501
Phone: (713) 500-7878
Fax: (713) 500-0758
Type: Mailing
PO BOX 110429
AURORA, CO 800420429
Phone:
Type: Mailing
6431 Fannin St
Suite JJL 431
Houston, TX 770301501
Phone: (713) 500-7878
Fax: (713) 500-0758
Type: Location
12505 E 16TH AVE
AURORA, CO 800452545
Phone: (720) 848-0000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-10-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20160513000042 | I | Emergency Medicine | TX | TBD |
| I20230926002583 | I | Emergency Medicine | CO | TBD |
| I20251017001327 | I | Emergency Medicine | MD | TBD |
| I20251021000445 | I | Emergency Medicine | CA | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 66 | 66 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 35 | 35 | $0 |
| 99291 | Critical care, first 30-74 minutes | 32 | 32 | $0 |
Insurance plans in this area (ZIP 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | PA | |
| Emergency Medicine | CA | |
| Emergency Medicine, Critical Care (Intensivists), Pulmonary Disease | CA | |
| Emergency Medicine | NJ | |
| Emergency Medicine | DC | |
| Emergency Medicine | NY | |
| Emergency Medicine | CA | |
| Emergency Medicine | TX | |
| Emergency Medicine | ID | |
| Emergency Medicine | TX |
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