Physician Profile
Based in Portland, ME, K. Erik Kostelnik, M.D. is listed in the NPI registry under dermatology. K. Erik graduated from Jefferson Medical College of Thomas Jefferson University in 1992. Medicare claims data shows K. Erik provided 3,154 services to 2,047 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. NPI 1346289683 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
50 SEWALL ST
Portland, ME 04102
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.
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Most searched procedures
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
3,154 services · 2,047 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
973 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
469 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
197 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
185 | More often than most peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
60 | As often as other peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm | Procedure | 17261 |
46 | More often than most peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
12 | Less often than most peers in Dermatology |
| Application of ultraviolet light to skin | Treatment | 96900 |
143 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
599 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
282 | More than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
K. Erik Kostelnik is a dermatologist (skin doctor) in Portland, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
K. Erik Kostelnik is listed at 50 Sewall St, Portland, ME 04102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (207) 775-3526. Contact the office directly to confirm availability and scheduling.
NPI registry
K. Erik Kostelnik's National Provider Identifier is 1346289683. 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
K. Erik Kostelnik attended Jefferson Medical College of Thomas Jefferson University, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
K. Erik Kostelnik has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, K. Erik Kostelnik performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth; provides treatments such as application of ultraviolet light to skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by K. Erik Kostelnik. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.