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Edit this profileAt a glance
- 6633 Telephone Rd Ste 100, Ventura, CA 93003
About Dr. Larsen
Larissa N. Larsen, M.D. is a healthcare provider in Ventura, CA specializing in dermatology. According to Medicare claims data, Larissa cared for 1,776 Medicare patients across 2,531 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1063733426.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (310) 644-9121
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
6633 TELEPHONE RD STE 100
Ventura, CA 93003
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune and connective tissue
- Bullous pemphigoid
- Cutaneous lupus
- Morphea
- Pemphigus vulgaris
- Vitiligo
Cancer care
- Radiation Dermatitis and Skin Burns
Pediatric and genetic
- Epidermolysis bullosa
- Ichthyosis
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
- Folliculitis
- Hidradenitis suppurativa
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
- Melasma
- Seborrheic keratosis
Skin cancer
- Basal cell skin cancer
- Squamous cell skin cancer
Urticaria, itch, and vascular
- Chronic itching
- Excessive sweating
- Hives
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
- Dermal filler injections
- Laser skin resurfacing
- Laser treatment of vascular lesions
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
- Botulinum toxin treatment for excessive sweating
- Systemic dermatologic therapy management
Skin and Scars
Skin cancer surgery
- Sentinel lymph-node biopsy for melanoma
- Wide excision of melanoma
- Mohs surgery
Skin growths
- Cyst Removal
- Skin Tag Removal
- Lipoma removal
- Steroid injection for keloids
Wound Care
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
- Sun spot removal
Diagnostic
- Mole mapping
- Skin scraping test
General dermatology
- Biologic drug management
- Cortisone shot for cysts
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
2,531 services · 1,776 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
693 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
278 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
179 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
162 | As often as other peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
39 | As often as other peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
29 | More often than most peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
13 | Less often than most peers in Dermatology |
| Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg) | Drug given | J7308 |
30 | As often as other peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
291 | More often than most peers in Dermatology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
279 | More than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other dermatologists in Ventura 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Larissa N. Larsen?
Larissa N. Larsen is a dermatologist (skin doctor) in Ventura, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Larissa N. Larsen's address?
Larissa N. Larsen is listed at 6633 Telephone Rd Ste 100, Ventura, CA 93003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Larissa N. Larsen?
The number on file is (310) 644-9121. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Larissa N. Larsen's NPI number?
Larissa N. Larsen's National Provider Identifier is 1063733426. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Larissa N. Larsen train?
Larissa N. Larsen attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Larissa N. Larsen been practicing?
Larissa N. Larsen has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does Larissa N. Larsen perform?
According to Medicare billing data, Larissa N. Larsen performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Larissa N. Larsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Larissa N. Larsen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.