DR. LEON WILLIAM NOWIERSKI M.D.
NPI 1376610048
Dermatology in Boise, ID

Q: What is the provider's specialty?

The provider's specialty is Dermatology with taxonomy code 207N00000X.

Active since November 29, 2006PECOS Enrolled

0/100

CMS Quality Rating

100 WARM SPRINGS AVE, SUITE A, BOISE, ID 83712(208) 343-5910(208) 384-8562 Get Directions Write a Review

NPPES record last updated: August 26, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Leon William Nowierski M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEON WILLIAM NOWIERSKI M.D. (NPI 1376610048) is an individual dermatology provider in Boise, Idaho, licensed in Idaho (M4341) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boise, and is a graduate of Oregon Health Sciences University School Of Medicine (1975).

NPPES Registry Identity

NPI1376610048

Entity TypeIndividualMale

Primary Taxonomy207N00000X

Provider Legal NameDR. LEON WILLIAM NOWIERSKICredential: M.D.

Location Address100 WARM SPRINGS AVE, SUITE ABoise, ID 83712-6243

Mailing Address100 Warm Springs Ave, Suite ABoise, ID 83712-6243 · (208) 343-5910 · Fax (208) 384-8562

Phone(208) 343-5910

Fax(208) 384-8562

Sole ProprietorYes

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1975

Enumeration DateNovember 29, 2006

Last NPPES UpdateAugust 26, 2022

NPPES CertifiedAugust 26, 2022

✔ NPI 1376610048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in ID · M4341

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X · License M4341 (ID)

Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License M4341 (ID)

100 WARM SPRINGS AVE, Boise, ID 83712

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Secondary Practice Location 1

Location 1500 W Fort St, # 111Boise, ID 83702 · Phone (208) 422-1000 · Fax (208) 422-1319

Other Identifiers 3

Other43414ID · Blue Cross Of Idaho

Other000010021230ID · Blue Shield Of Idaho

Medicaid002586300ID

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leon William Nowierski M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719002179

PECOS Enrollment IDI20100909000370

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 10-19 minutes 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

563 services301 patients

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

406 services116 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

248 services177 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

126 services111 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

90 services69 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

47 services45 patients

New patient office or other outpatient visit, 15-29 minutes 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

44 services44 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312

This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.

28 services17 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311

This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.

22 services20 patients

New patient office or other outpatient visit, 30-44 minutes 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

14 services14 patients

Melanoma (skin cancer) excision NAN03

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

0 services111 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83712 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.13 typical visit price

range $52.44 – $160.17

Typical copayment $20.28 (range $13.11 – $40.04)

Most-billed visit code 99203

Established Patient

$65.77 typical visit price

range $16.68 – $130.93

Typical copayment $16.44 (range $4.17 – $32.73)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities