DR. WALTER K NAHM (M.D., PHD.) – Dermatology Physician, NPI 1467447284
Dermatology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,140 DERMATOLOGY in CA
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Provider Addresses for DR. WALTER K NAHM (M.D., PHD.)
7695, Cardinal Court, Birdland, Linda Vista, San Diego, San Diego County, California, 92123, United States
SUITE 200
SAN DIEGO, CA 921233357
Phone: (858) 278-8835
Fax: (858) 386-4776
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 12 Open Payments records for all available years, with a total value of $1,037.
Total Amount is formed as General ($1,037) + Research ($0) + Ownership ($0) = $1,037.
Last reported payment date: 2024-10-25 • Largest payer in this snapshot: Integra LifeSciences Corporation ($753).
Total Amount
$1,037
General + Research + Ownership
Payments
12
Total payment records
General Amount
$1,037
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Integra LifeSciences Corporation | $753 |
| Arcutis Biotherapeutics, Inc. | $138 |
| Janssen Biotech, Inc. | $99 |
| LEO Pharma Inc. | $25 |
| LifeNet Health | $22 |
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: 2004-01-12
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 |
|---|---|---|---|---|
| I20040112000201 | 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 |
|---|---|---|---|---|
| Q4121 | Theraskin, per square centimeter | 6,425 | 46 | $0 |
| Q4186 | Epifix, per square centimeter | 3,183 | 78 | $0 |
| Q4137 | Amnioexcel, amnioexcel plus or biodexcel, per square centimeter | 2,643 | 53 | $0 |
| Q4196 | Puraply am, per square centimeter | 1,625 | 60 | $0 |
| Q4229 | Cogenex amniotic membrane, per square centimeter | 1,617 | 47 | $0 |
Insurance plans in this area (ZIP 92123)
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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 | 131 | 87 |
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