Are you Dr. Tanenbaum? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 535 Miller Ave, Mill Valley, CA 94941
About Dr. Tanenbaum
Based in Mill Valley, CA, Lewis Tanenbaum, MD is listed in the NPI registry under dermatology. According to Medicare claims data, Lewis cared for 658 Medicare patients across 1,677 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1083607808 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (415) 383-5486
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
535 MILLER AVE
Mill Valley, CA 94941
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
- Keloid scars
Procedures & services
Bladder & bowel
Cosmetic & plastics
- Botox injections
- Scar revision consultation
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
- Mole And Skin Tag Removal
- Scar Revision
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
- Surgical Scar Treatment
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
- Ingrown toenail removal
Procedures Most Often Billed to Medicare
1,677 services · 658 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,059 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
161 | As often as other peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11302 |
44 | More often than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, more than 2.0 cm | Procedure | 11303 |
39 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
23 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
23 | Less often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
23 | Less often than most peers in Dermatology |
| Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm | Procedure | 11311 |
16 | Less often than most peers in Dermatology |
| Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm | Procedure | 11307 |
16 | Less often than most peers in Dermatology |
| Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm | Procedure | 11312 |
14 | Less often 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.
Other dermatologists at this location 2
Same specialty, same street address — most likely the same department or group.
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 Mill Valley 4
Same specialty, same city.
More connections — 8 related providers in 1 group
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 Dr. Tanenbaum?
Dr. Tanenbaum is a dermatologist (skin doctor) in Mill Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Dr. Tanenbaum's address?
Dr. Tanenbaum is listed at 535 Miller Ave, Mill Valley, CA 94941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Tanenbaum?
The number on file is (415) 383-5486. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Tanenbaum's NPI number?
Dr. Tanenbaum's National Provider Identifier is 1083607808. 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
How long has Dr. Tanenbaum been practicing?
Dr. Tanenbaum has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Tanenbaum perform?
According to Medicare billing data, Dr. Tanenbaum performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and shaving of skin growth of body, arms, or legs, 1.1-2.0 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tanenbaum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tanenbaum. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.