DR. PAUL STEVEN YAMAUCHI (M.D., PHD) – Dermatology Physician, NPI 1720074537
Dermatology 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. PAUL STEVEN YAMAUCHI (M.D., PHD)
Santa Monica Boulevard, Santa Monica, Los Angeles County, California, 90404, United States
SANTA MONICA, CA 904042120
Phone: (310) 829-4104
Fax: (310) 829-4150
Type: Mailing
2001, Santa Monica Boulevard, Santa Monica, Los Angeles County, California, 90404, United States
#1160W
SANTA MONICA, CA 904042102
Phone: (310) 829-4104
Fax: (310) 829-4150
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1,308 Open Payments records for all available years, with a total value of $1,067,229.
Total Amount is formed as General ($1,067,229) + Research ($0) + Ownership ($0) = $1,067,229.
Last reported payment date: 2024-12-21 • Largest payer in this snapshot: Lilly USA, LLC ($164,965).
Total Amount
$1,067,229
General + Research + Ownership
Payments
1,308
Total payment records
General Amount
$1,067,229
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $164,965 |
| Janssen Biotech, Inc. | $164,667 |
| Amgen Inc. | $105,153 |
| UCB, Inc. | $94,485 |
| E.R. Squibb & Sons, L.L.C. | $52,907 |
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: 2005-03-01
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 |
|---|---|---|---|---|
| I20050301000112 | 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 | 1,193 | 160 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 690 | 385 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 317 | 193 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 299 | 169 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 242 | 40 | $0 |
Insurance plans in this area (ZIP 90404)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | CA | 17003 | Destruction of 2-14 skin growths | 179 | 125 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | MI | |
| D E R M A T O L O G Y | AR |
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