SANHWAN CHEN
NPI 1932165784
Dermatology - Dermatopathology in Everett, WA

Q: What is Sanhwan Chen's NPI number?

The NPI number for Sanhwan Chen is 1932165784. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Q: What is Sanhwan Chen's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Dermatopathology, with taxonomy code 207ND0900X.

Q: When was this NPI record last updated?

The NPPES record for Sanhwan Chen was last updated on December 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.

Active since April 21, 2006PECOS Enrolled

4004 COLBY AVE, EVERETT, WA 98201(425) 339-5417 Get Directions Write a Review

NPPES record last updated: December 6, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Sanhwan Chen NPPES

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

SANHWAN CHEN (NPI 1932165784) is an individual dermatopathology provider in Everett, Washington, licensed in Washington (38807) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932165784

Entity TypeIndividualFemale

Primary Taxonomy207ND0900X

Provider Legal NameSANHWAN CHEN

Location Address4004 COLBY AVEEverett, WA 98201-6203

Mailing AddressPo Box 5127Everett, WA 98206-5127

Phone(425) 339-5417

Sole ProprietorNo

Enumeration DateApril 21, 2006

Last NPPES UpdateDecember 6, 2012

✔ NPI 1932165784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatology · DermatopathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ND0900X

License✔ Licensed in WA · 38807

Definition

A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.

4004 COLBY AVE, Everett, WA 98201

Open in Google Maps ↗

Other Identifiers 3

Medicare UPING84634

Medicaid1022516WA

Medicare PIN8889226

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sanhwan Chen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Sanhwan Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Optum Care Washington PLLC

0.1 mi

Multi-Specialty

3901 HOYT AVE
Everett, WA 98201

Reassigned Medicare billing, Washington enrollment
1,285 clinicians in this Medicare group

NPI 1831186766 (425) 259-0966

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 22

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.

1,497 services755 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.

790 services155 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.

496 services343 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.

292 services214 patients

Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm 11302

This procedure involves the careful removal of a skin growth on your body, arms, or legs. The growth is between 1.1 and 2.0 cm. A special tool is used to shave off the growth, which is a quick and relatively painless process.

154 services86 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

140 services118 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.

115 services108 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17262

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

114 services70 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

106 services102 patients

Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm 17282

This procedure involves the removal of a cancerous skin growth on the face, ears, eyelids, nose, lips, or mouth that measures between 1.1 to 2.0 cm. It's done to prevent the spread of cancer and improve health.

73 services38 patients

Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm 17272

This procedure involves the removal of a cancerous skin growth measuring 1.1-2.0 cm, located on the scalp, neck, hands, or feet. The process may involve techniques like surgery, laser, or cryotherapy. The aim is to eliminate the cancer cells and prevent further spread.

70 services36 patients

Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm 11312

This procedure involves the careful removal of a skin growth on the face, ears, eyelids, nose, lips, or mouth. The growth being treated is between 1.1 and 2.0 cm in size. The process is typically quick, with minimal discomfort, and aids in maintaining skin health.

64 services44 patients

Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm 11307

This procedure involves the careful removal of a skin growth between 1.1 to 2.0 cm in size. The growth could be located on the scalp, neck, hands, or feet. The process is done using a sharp instrument to shave off the growth, promoting healthier skin.

55 services45 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

52 services38 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

31 services28 patients

Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm 11301

This procedure involves the careful removal of a small skin growth on the body, arms, or legs. It's done by shaving off the growth that's 0.6-1.0 cm in size. It's a common, safe method to treat non-cancerous skin growths and improve skin appearance.

26 services22 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

24 services20 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

23 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 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.

23 services23 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

16 services15 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 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.

16 services15 patients

Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm 11311

This procedure involves removing a small skin growth on the face or related areas like the ears, eyelids, nose, lips, or mouth. The growth is gently shaved off, typically under local anesthesia. It's a quick, safe process for growths between 0.6-1.0 cm in size.

13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98201 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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 14

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

JANE M NOSAL MD

Dermatology