JOAN LEAVENS MD
NPI 1518321074
Dermatology in Seattle, WA

Active since April 11, 2016PECOS EnrolledAccepts Medicare Assignment
1021 MERCER ST, SEATTLE, WA 98109(206) 489-2530(206) 489-2531 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Joan Leavens Md NPPES

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

JOAN LEAVENS MD (NPI 1518321074) is an individual dermatology provider in Seattle, Washington, licensed in Washington (MD61174242) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of University Of Michigan Medical School (2016).

NPPES Registry Identity

NPI1518321074
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameJOAN LEAVENSCredential: MD
Location Address1021 MERCER STSeattle, WA 98109-4324
Mailing Address4600 92nd Ave SeMercer Island, WA 98040-4442 · (206) 550-4683
Fax(206) 489-2531
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2016
Enumeration DateApril 11, 2016
Last NPPES UpdateApril 10, 2026
NPPES CertifiedApril 10, 2026
NPI 1518321074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in WA · MD61174242
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 · DermatopathologyTaxonomy 207ND0900X · License MD61174242 (WA)
1021 MERCER ST, Seattle, WA 98109

Secondary Practice Locations 4

Location 13249 Oak Park AveBerwyn, IL 60402-3429 · Phone (708) 783-3403
Location 21703 S Meridian Ste 101Puyallup, WA 98371-7590 · Phone (253) 848-3000
Location 35225 Cirque Dr W Ste 200University Place, WA 98467-3639 · Phone (253) 848-3000
Location 4125 16th Ave ESeattle, WA 98112-5211 · Phone (206) 326-3000 · Fax (877) 515-2975

Other Identifiers 1

Medicaid2189327WA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Joan Leavens Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921402306
PECOS Enrollment IDI20210806001154
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 16

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

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
851 services461 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.
267 services66 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.
148 services102 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.
96 services73 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.
89 services65 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.
79 services65 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
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.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology
1021 MERCER ST
SEATTLE, WA 98109
Dermatology
1021 MERCER ST
SEATTLE, WA 98109
Dermatology
1021 MERCER ST
SEATTLE, WA 98109
Dermatology
1021 MERCER ST
SEATTLE, WA 98109
Dermatology
1021 MERCER ST
SEATTLE, WA 98109

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joan Leavens's NPI number?

The NPI number for Joan Leavens is 1518321074. It was assigned to this individual provider in the NPPES registry on April 11, 2016.

Where is Joan Leavens located?

Joan Leavens practices at 1021 Mercer St, Seattle, WA 98109. The listed phone number is (206) 489-2530.

What is Joan Leavens's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Joan Leavens enrolled in Medicare?

Yes. Joan Leavens is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joan Leavens accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Joan Leavens as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Joan Leavens was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.