DR. ADA M WINKIELMAN (MD) – Dermatopathology Physician, NPI 1992798870
Dermatopathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,140 DERMATOLOGY in CA
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Provider Addresses for DR. ADA M WINKIELMAN (MD)
18364, Clark Street, Tarzana Safari Walk, Tarzana, Los Angeles, Los Angeles County, California, 91356, United States
TARZANA, CA 913563502
Phone: (818) 345-7122
Fax: (818) 345-7448
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 3 Open Payments records for all available years, with a total value of $88.
Total Amount is formed as General ($88) + Research ($0) + Ownership ($0) = $88.
Last reported payment date: 2024-07-31 • Largest payer in this snapshot: GENZYME CORPORATION ($44).
Total Amount
$88
General + Research + Ownership
Payments
3
Total payment records
General Amount
$88
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $44 |
| ABBVIE INC. | $26 |
| Amgen Inc. | $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: 2004-10-19
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 |
|---|---|---|---|---|
| I20041019001421 | I | Dermatology | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 498 | 69 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 444 | 220 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 181 | 142 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 181 | 90 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 165 | 140 | $0 |
Insurance plans in this area (ZIP 91356)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA |
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