DR. LESLIE L POPPLEWELL (M.D.) – Hematology (Internal Medicine) Physician, NPI 1457310450
Hematology (Internal Medicine) Physician
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Profile Insights
NPPES metrics only — not quality of care.
297 HEMATOLOGY in CA
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Provider Addresses for DR. LESLIE L POPPLEWELL (M.D.)
Box, Lago del Salado, Los Angeles, San Nicolás de los Garza, Nuevo León, 66477, Mexico
LOS ANGELES, CA 900510185
Phone: (626) 775-3514
Type: Mailing
1500, Duarte Road, Butler, Duarte, Los Angeles County, California, 91010, United States
DUARTE, CA 910103012
Phone: (626) 359-8111
Fax: (626) 301-8973
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $34,807.
Total Amount is formed as General ($29,411) + Research ($5,396) + Ownership ($0) = $34,807.
Last reported payment date: 2024-10-18 • Largest payer in this snapshot: Genentech, Inc. ($11,019).
Total Amount
$34,807
General + Research + Ownership
Payments
37
Total payment records
General Amount
$29,411
General payments
Research Amount
$5,396
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Genentech, Inc. | $11,019 |
| Acrotech Biopharma Inc. | $8,174 |
| Novartis Pharmaceuticals Corporation | $7,126 |
| Kite Pharma, Inc. | $4,537 |
| F. Hoffmann-La Roche AG | $2,000 |
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: 2024-02-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20110208000212 | I | Hematology | CA | TBD |
| I20230815000509 | I | Hematology | GA | TBD |
| I20240201002564 | I | Hematology | IL | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 141 | 32 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 124 | 101 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 89 | 49 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 90051)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Thoracic Surgery | OK | |
| Interventional Radiology, Diagnostic Radiology | IL | |
| General Surgery, Surgical Oncology | IL | |
| Hematology/Oncology, Internal Medicine | IL | |
| Pulmonary Disease | IL | |
| Radiation Oncology | IL | |
| Registered Dietitian Or Nutrition Professional | NY | |
| Medical Oncology | IL | |
| Nurse Practitioner | IL | |
| P A T H O L O G Y | IL |
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