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Edit this profileWhere to find Jonathan G. Bonchak, M.D.
- New Berlin location main office
12901 W National Ave, New Berlin, WI 53151 - Greenfield location
6901 W Edgerton Ave, Greenfield, WI 53220
About Dr. Bonchak
Jonathan G. Bonchak, M.D. practices dermatology in New Berlin, WI. Medicare claims data shows Jonathan provided 3,803 services to 1,717 patients. The services billed most often include test for allergy using skin patch, destruction of precancer skin growth, 2-14 growths, and destruction of precancer skin growth, 1 growth. The provider's National Provider Identifier (NPI) is 1053670307.
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
- (262) 787-5200
- Email not available
Practice Locations
12901 W NATIONAL AVE
New Berlin, WI 53151
6901 W Edgerton Ave
Greenfield, WI 53220
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
- Light Therapy
Nails & hair
- Ingrown toenail removal
Procedures Most Often Billed to Medicare
3,803 services · 1,717 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
781 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
358 | More often than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm | Procedure | 11301 |
203 | More than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
124 | As often as other peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 0.5 cm or less | Procedure | 11300 |
82 | More often than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11302 |
76 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
57 | 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 |
50 | More often than most peers in Dermatology |
| Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm | Procedure | 11306 |
24 | As often as other peers in Dermatology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
15 | 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 4
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 New Berlin 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 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 WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Jonathan G. Bonchak?
Jonathan G. Bonchak is a dermatologist (skin doctor) in New Berlin, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Jonathan G. Bonchak's address?
Jonathan G. Bonchak is listed at 12901 W National Ave, New Berlin, WI 53151. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Jonathan G. Bonchak?
The number on file is (262) 787-5200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jonathan G. Bonchak?
Jonathan G. Bonchak's National Provider Identifier is 1053670307. 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 Jonathan G. Bonchak train?
Jonathan G. Bonchak attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jonathan G. Bonchak have?
Jonathan G. Bonchak has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Jonathan G. Bonchak perform?
According to Medicare billing data, Jonathan G. Bonchak 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, 0.6-1.0 cm; provides treatments such as test for allergy using skin patch, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jonathan G. Bonchak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jonathan G. Bonchak. If this is you, claiming it is free.
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