Doctor profile · Federal record
Dr. Walter Nahm, M.D., PHD.
Dermatology Physician (CMS: Dermatology) · Mohs-Micrographic Surgery Physician · Procedural Dermatology Physician · San Diego, CA
- NPI 1467447284
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 28 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7695 Cardinal Court, Suite 200
San Diego, CA 921233305
(858) 278-8835
fax (858) 386-4776 - Mailing address
-
7695 Cardinal CT, Suite 200
San Diego, CA 921233357
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- July 20, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- California #A78569
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467447284. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
26,956
Distinct HCPCS
10
Medicare allowed
$3,914,856
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q4121 |
Theraskin, per square centimeter | 6,425 | 46 | $45 | |
Q4186 |
Epifix, per square centimeter | 3,183 | 78 | $149 | |
Q4137 |
Amnioexcel, amnioexcel plus or biodexcel, per square centimeter | 2,643 | 53 | $100 | |
Q4196 |
Puraply am, per square centimeter | 1,625 | 60 | $104 | |
Q4229 |
Cogenex amniotic membrane, per square centimeter | 1,617 | 47 | $185 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 1,434 | 309 | $40 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,192 | 372 | $139 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 893 | 361 | $192 | |
17111 |
Destruction of skin growth, 15 or more growths | 892 | 361 | $152 | |
Q4197 |
Puraply xt, per square centimeter | 713 | 20 | $150 |
In context: peer comparison
Among 44 peers in San Diego Dermatology Physician, average services per provider: 198. This provider delivers 136× the peer median.Open Payments
Industry payments received
All-time total
$504
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Integra LifeSciences Corporation | 2 | $244.83 | |
| Arcutis Biotherapeutics, INC. | 1 | $138.08 | |
| Janssen Biotech, INC. | 1 | $99.00 | |
| LifeNet Health | 2 | $21.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,395
Patients
959
Total drug cost
$122,554
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ciclopirox (Ciclopirox Olamine) | Brand | 452 | 191 | $15,663 |
| Metronidazole | Generic | 292 | 117 | $25,794 |
| Doxycycline Monohydrate | Generic | 240 | 79 | $5,930 |
| Triamcinolone Acetonide | Generic | 215 | 99 | $5,030 |
| Montelukast Sodium | Generic | 213 | 53 | $2,749 |
| Cephalexin | Generic | 163 | 114 | $737 |
| Spironolactone | Generic | 160 | 39 | $2,857 |
| Tacrolimus | Generic | 137 | 44 | $34,817 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 135 | 87 | $449 |
| Betamethasone Dipropionate | Generic | 81 | 25 | $6,792 |
Frequently asked questions
What is Dr. Walter Nahm's medical specialty?
Dr. Walter Nahm practices Dermatology Physician in San Diego, CA.
Where does Dr. Walter Nahm practice?
Dr. Walter Nahm practices at 7695 Cardinal Court, San Diego, CA 921233305. Office phone: 8582788835.
What is Dr. Walter Nahm's NPI?
Dr. Walter Nahm's National Provider Identifier (NPI) is 1467447284, issued by NPPES.
Does Dr. Walter Nahm accept Medicare assignment?
Yes. Dr. Walter Nahm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Nahm commonly perform?
Top Medicare-reported procedures in 2023: Theraskin, per square centimeter (HCPCS Q4121); Epifix, per square centimeter (HCPCS Q4186); Amnioexcel, amnioexcel plus or biodexcel, per square centimeter (HCPCS Q4137). Source: CMS Medicare Physician & Other Practitioners file.