ANDY CHRISTOPHER YEN MD
NPI 1043879133
Internal Medicine in Marysville, WA

Q: What is Andy Yen's NPI number?

The NPI number for Andy Yen is 1043879133. It was assigned to this individual provider in the NPPES registry on June 11, 2019.

Q: What is Andy Yen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Andy Yen was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since June 11, 2019PECOS EnrolledAccepts Medicare Assignment

8923 SOPER HILL RD, MARYSVILLE, WA 98270(425) 259-0966 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 8, 2024, Aug 16, 2022, Jun 11, 2019 (3 updates tracked since 2019).

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About Andy Christopher Yen Md NPPES

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

ANDY CHRISTOPHER YEN MD (NPI 1043879133) is an individual internal medicine provider in Marysville, Washington, licensed in Washington (MD61267490) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1043879133

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameANDY CHRISTOPHER YENCredential: MD

Location Address8923 SOPER HILL RDMarysville, WA 98270-6882

Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414

Phone(425) 259-0966

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJune 11, 2019

Last NPPES UpdateJune 8, 20263 updates tracked since enumeration

NPPES CertifiedJune 8, 2026

✔ NPI 1043879133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in WA · MD61267490

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

8923 SOPER HILL RD, Marysville, WA 98270

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Andy Christopher Yen 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 ID9638553076

PECOS Enrollment IDI20220901003288

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 15

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.

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.

141 services97 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

116 services81 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

58 services52 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.

57 services42 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

53 services51 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

47 services42 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

45 services36 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

45 services42 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

45 services20 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

37 services37 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

18 services17 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

15 services12 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

15 services12 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

14 services13 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500014

Location1321 Colby AvenueEverett, WA 98201 · Snohomish County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98270 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

$130.99 typical visit price

range $57.27 – $172.80

Typical copayment $32.74 (range $14.31 – $43.20)

Most-billed visit code 99204

Established Patient

$100.78 typical visit price

range $18.56 – $141.11

Typical copayment $25.19 (range $4.64 – $35.27)

Most-billed visit code 99214

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 17

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

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