DEREN MARK SINKOWITZ (MD) – Pulmonary Disease Physician, NPI 1619957750
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,779 PULMONARY DISEASE in CA
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Provider Addresses for DEREN MARK SINKOWITZ (MD)
3701, Skypark Drive, Walteria, Torrance, Los Angeles County, California, 90505, United States
# 200
TORRANCE, CA 905054753
Phone: (310) 378-8900
Fax: (310) 791-0786
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 53 Open Payments records for all available years, with a total value of $1,517.
Total Amount is formed as General ($1,517) + Research ($0) + Ownership ($0) = $1,517.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($693).
Total Amount
$1,517
General + Research + Ownership
Payments
53
Total payment records
General Amount
$1,517
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $693 |
| AstraZeneca Pharmaceuticals LP | $183 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $142 |
| ABIOMED | $125 |
| JAZZ PHARMACEUTICALS INC. | $53 |
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: 2004-07-16
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 |
|---|---|---|---|---|
| I20040716001078 | I | Pulmonary Disease | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 724 | 114 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 699 | 171 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 435 | 254 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 170 | 24 | $0 |
| 94010 | Test to measure expiratory airflow and volume | 95 | 93 | $0 |
Insurance plans in this area (ZIP 90505)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | CA | |
| - | CA | |
| O T O L A R Y N G O L O G Y | CA | |
| - | CA | |
| Diagnostic Radiology | CA | |
| Hospitalist, Internal Medicine | CA | |
| Emergency Medicine | CA | |
| Family Practice | CA | |
| - | TX | |
| Endocrinology, Internal Medicine | CA |
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