DR. ROY B BLUMENSTRAUCH (M.D.) – Specialist, NPI 1639175409
Specialist
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. ROY B BLUMENSTRAUCH (M.D.)
4201, Torrance Boulevard, Torrance, Los Angeles County, California, 90503, United States
STE 640
TORRANCE, CA 905034504
Phone: (310) 543-4444
Fax: (310) 543-4446
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 26 Open Payments records for all available years, with a total value of $461.
Total Amount is formed as General ($461) + Research ($0) + Ownership ($0) = $461.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: ABBVIE INC. ($216).
Total Amount
$461
General + Research + Ownership
Payments
26
Total payment records
General Amount
$461
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $216 |
| Incyte Corporation | $57 |
| Janssen Biotech, Inc. | $42 |
| Novartis Pharmaceuticals Corporation | $28 |
| E.R. Squibb & Sons, L.L.C. | $24 |
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: 2008-06-09
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 |
|---|---|---|---|---|
| I20080609000396 | 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 | 10,061 | 825 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 2,292 | 953 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,681 | 865 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,348 | 909 | $0 |
| 17311 | Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 338 | 209 | $0 |
Insurance plans in this area (ZIP 90503)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | CA | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 34 | 30 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | TX | |
| - | CA | |
| - | CA | |
| P A T H O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | PA | |
| D E R M A T O L O G Y | CA | |
| Dermatology, Internal Medicine | CA | |
| D E R M A T O L O G Y | CA |
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