Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HELEN LIU M.D.
NPI 1801022876
Dermatology in Lake Oswego, OR

Q: What is Helen Liu's NPI number?

The NPI number for Helen Liu is 1801022876. It was assigned to this individual provider in the NPPES registry on June 4, 2009.

Q: What is Helen Liu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Helen Liu was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days 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 June 04, 2009PECOS Enrolled

17704 JEAN WAY STE 102, LAKE OSWEGO, OR 97035(503) 635-9221 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

On this page

About Helen Liu M.d. NPPES

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

HELEN LIU M.D. (NPI 1801022876) is an individual dermatology provider in Lake Oswego, Oregon, licensed in Oregon (MD161201) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2009).

NPPES Registry Identity

NPI1801022876

Entity TypeIndividualFemale

Primary Taxonomy207N00000X

Provider Legal NameHELEN LIUCredential: M.D.

Location Address17704 JEAN WAY STE 102Lake Oswego, OR 97035-5585

Mailing Address17704 Jean Way Ste 102Lake Oswego, OR 97035-5585 · (503) 635-9221

Phone(503) 635-9221

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 2009

Enumeration DateJune 4, 2009

Last NPPES UpdateSeptember 17, 2026

NPPES CertifiedSeptember 17, 2026

✔ NPI 1801022876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in OR · MD161201

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.

17704 JEAN WAY STE 102, Lake Oswego, OR 97035

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Providence Health Plan, Regence BlueCross BlueShield of Oregon.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

Helen Liu M.d. 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 ID9931354719

PECOS Enrollment IDI20130715000049

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 17

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.

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.

753 services134 patients

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.

741 services183 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.

313 services128 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.

282 services187 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.

264 services182 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.

229 services164 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.

95 services58 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

77 services63 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.

73 services63 patients

Removal of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm 11642

This procedure involves the surgical removal of a cancerous skin growth on the face, ears, eyelids, nose, lips, or mouth. The growth is between 1.1-2.0 cm in size. This is done to prevent the cancer from spreading and to restore health.

34 services22 patients

Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 12052

This procedure involves repairing a wound on the face, ears, eyelids, nose, lips, or mouth that measures between 2.6-5.0 cm. The process includes cleaning, suturing if necessary, and dressing the wound to promote healing and prevent infection.

33 services23 patients

Removal of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm 11622

This procedure involves the careful removal of a cancerous skin growth measuring between 1.1 to 2.0 cm, located on the scalp, neck, hands, or feet. The goal is to eliminate the cancer and prevent its spread. This is done under local anesthesia to minimize discomfort.

19 services15 patients

Biopsy of ear 69100

A biopsy of the ear is a medical procedure where a small sample of tissue is taken from your ear for examination. This helps doctors diagnose any abnormalities or diseases. It's a simple process, usually done under local anesthesia, and has minimal risks.

18 services17 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm 12034

This procedure involves the repair of a moderate-sized wound (7.6-12.5 cm) on the scalp, underarms, trunk, arms, or legs. It includes cleaning, removing damaged tissue, and stitching the wound to promote healing. Local anesthesia is used for comfort.

16 services12 patients

Intermediate repair of wound of neck, hands, feet, or genitals, 2.6-7.5 cm 12042

This is a procedure to mend a moderate wound between 2.6-7.5 cm on your neck, hands, or feet. It involves cleaning the wound, removing any damaged tissue, and stitching it back together to promote healing and minimize scarring.

16 services12 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.

13 services11 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97035 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

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$73.28 typical visit price

range $19.32 – $144.79

Typical copayment $18.32 (range $4.83 – $36.19)

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

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

BETTY SI YUAN JIANG

Dermatology

17704 JEAN WAY STE 102
LAKE OSWEGO, OR 97035

Clackamas County (503) 635-9221

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 Helen Liu's NPI number?

The NPI number for Helen Liu is 1801022876. It was assigned to this individual provider in the NPPES registry on June 4, 2009.

Where is Helen Liu located?

Helen Liu practices at 17704 Jean Way Ste 102, Lake Oswego, OR 97035. The listed phone number is (503) 635-9221.

What is Helen Liu's specialty?

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

Is Helen Liu enrolled in Medicare?

Yes. Helen Liu 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 Helen Liu accept?

Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Helen Liu 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 Helen Liu was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days 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.