DAVID M. WEISS (M.D.) – Internal Medicine Physician, NPI 1609958289
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DAVID M. WEISS (M.D.)
PO BOX 45648
LOS ANGELES, CA 900450648
Phone: (310) 670-1120
Type: Mailing
23560 MADISON ST STE 103
TORRANCE, CA 905054709
Phone: (310) 325-9200
Type: Mailing
Sepulveda Boulevard, Westchester, El Segundo, Los Angeles County, California, 90045-5802, United States
SUITE 3000
EL SEGUNDO, CA 902454460
Phone: (310) 670-1120
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $161.
Total Amount is formed as General ($161) + Research ($0) + Ownership ($0) = $161.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: PFIZER INC. ($90).
Total Amount
$161
General + Research + Ownership
Payments
7
Total payment records
General Amount
$161
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $90 |
| Lilly USA, LLC | $32 |
| Amgen Inc. | $21 |
| AstraZeneca Pharmaceuticals LP | $18 |
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: 2012-02-20
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 |
|---|---|---|---|---|
| I20120220000329 | I | Internal 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 323 | 164 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 142 | 99 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 57 | 53 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 45 | 42 | $0 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 44 | 40 | $0 |
Insurance plans in this area (ZIP 90045)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Endocrinology, Internal Medicine | CA |
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