Doctor profile · Federal record
Dr. Larissa Larsen, M.D.
Dermatology Physician (CMS: Dermatology) · Ventura, CA
- NPI 1063733426
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6633 Telephone RD Ste 100
Ventura, CA 930035569
(310) 644-9121 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- January 4, 2024
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- California #A118359
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063733426. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,042
Distinct HCPCS
10
Medicare allowed
$126,804
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 757 | 167 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 369 | 308 | $99 | |
17000 |
Destruction of precancer skin growth, 1 growth | 260 | 226 | $61 | |
17110 |
Destruction of skin growth, 1-14 growths | 132 | 122 | $131 | |
11102 |
Biopsy of related skin growth, first growth | 119 | 115 | $104 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 95 | 87 | $140 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 92 | 92 | $122 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 75 | 71 | $63 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 45 | 14 | $1 | |
11103 |
Biopsy of related skin growth, each additional growth | 34 | 21 | $58 |
In context: peer comparison
Among 2 peers in Ventura Dermatology Physician, average services per provider: 143. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $24.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
343
Patients
214
Total drug cost
$336,900
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Betamethasone Dipropionate | Generic | 76 | 49 | $3,597 |
| Triamcinolone Acetonide | Generic | 64 | 52 | $521 |
| Fluorouracil | Generic | 57 | 56 | $5,087 |
| Ketoconazole | Generic | 57 | 26 | $1,068 |
| Humira(Cf) Pen (Adalimumab) | Brand | 33 | 0 | $320,783 |
| Clobetasol Propionate | Generic | 24 | 18 | $3,387 |
| Metronidazole | Generic | 19 | 13 | $1,930 |
| Doxycycline Monohydrate | Generic | 13 | 0 | $527 |
Frequently asked questions
What is Dr. Larissa Larsen's medical specialty?
Dr. Larissa Larsen practices Dermatology Physician in Ventura, CA.
Where does Dr. Larissa Larsen practice?
Dr. Larissa Larsen practices at 6633 Telephone RD Ste 100, Ventura, CA 930035569. Office phone: 3106449121.
What is Dr. Larissa Larsen's NPI?
Dr. Larissa Larsen's National Provider Identifier (NPI) is 1063733426, issued by NPPES.
Does Dr. Larissa Larsen accept Medicare assignment?
Yes. Dr. Larissa Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larissa Larsen commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.