Are you Mark A. Berk, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 900 N Westmoreland Rd, Suite 222, Lake Forest, IL 60045
About Dr. Berk
Mark A. Berk, M.D. is a healthcare provider in Lake Forest, IL specializing in dermatology. According to Medicare claims data, Mark cared for 4,259 Medicare patients across 6,862 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of precancer skin growth, 2-14 growths, and destruction of precancer skin growth, 1 growth. This provider record is associated with NPI 1235196858.
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
- (847) 234-6121
- Email not available
Practice Locations
900 N WESTMORELAND RD SUITE 222
Lake Forest, IL 60045
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
Most searched conditions
Acne and follicular disorders
- Folliculitis
- Hidradenitis suppurativa
Eczema and inflammatory skin disease
Infections and infestations
- Cellulitis
- Foot fungus
- Herpes simplex of the skin
- Molluscum contagiosum
- Scabies
- Shingles
- Warts
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
Autoimmune and connective tissue
- Vitiligo
Infections
- Ringworm
Rashes & allergy
- Poison Ivy
Skin growths
Procedures & services
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Diagnostic procedures
- Patch testing
- Skin biopsy
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
- Sun spot removal
Cosmetic dermatology
- Laser skin resurfacing
- Laser treatment of vascular lesions
Diagnostic
- Mole mapping
- Skin scraping test
General dermatology
- Biologic drug management
- Cortisone shot for cysts
Infections
- Wart Removal
Medical dermatology
Nails & hair
Skin cancer surgery
- Mohs surgery
Skin growths
- Cyst Removal
- Lipoma removal
- Skin Tag Removal
- Steroid injection for keloids
Procedures Most Often Billed to Medicare
6,862 services · 4,259 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,328 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
696 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
688 | More than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm | Procedure | 11301 |
213 | More than most peers in Dermatology |
| Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm | Procedure | 11311 |
145 | More than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11302 |
142 | More than most peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
95 | More than most peers in Dermatology |
| Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm | Procedure | 11306 |
78 | More 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 |
75 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
50 | 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.
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 Lake Forest 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1981 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 7
Providers in IL who bill this service to Medicare most often.
Common questions
What is Mark A. Berk's specialty?
Mark A. Berk is a dermatologist (skin doctor) in Lake Forest, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where can I find Mark A. Berk?
Mark A. Berk is listed at 900 N Westmoreland Rd Suite 222, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark A. Berk?
The number on file is (847) 234-6121. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark A. Berk's NPI number?
Mark A. Berk's National Provider Identifier is 1235196858. 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
What is Mark A. Berk's education?
Mark A. Berk attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark A. Berk been practicing?
Mark A. Berk has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Mark A. Berk known for?
According to Medicare billing data, Mark A. Berk 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; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark A. Berk confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Berk. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.