ERIC W YAP MD
NPI 1639254279
Internal Medicine - Gastroenterology in Bellevue, WA

Q: What is Eric Yap's NPI number?

The NPI number for Eric Yap is 1639254279. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Q: What is Eric Yap's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Eric Yap was last updated on May 2, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 25, 2006PECOS EnrolledAccepts Medicare Assignment

1135 116TH AVE NE, SUITE 560, BELLEVUE, WA 98004(425) 467-0150(425) 467-0599 Get Directions Write a Review

NPPES record last updated: May 2, 2019. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Eric W Yap Md NPPES

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

ERIC W YAP MD (NPI 1639254279) is an individual gastroenterology provider in Bellevue, Washington, licensed in Washington (MD00038456) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of Warren Alpert Medical School Of Brown University (1994).

NPPES Registry Identity

NPI1639254279

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameERIC W YAPCredential: MD

Location Address1135 116TH AVE NE, SUITE 560Bellevue, WA 98004-4623

Mailing Address2420 S Union Ave Ste 200Tacoma, WA 98405-1323

Phone(425) 467-0150

Fax(425) 467-0599

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1994

Enumeration DateOctober 25, 2006

Last NPPES UpdateMay 2, 2019

✔ NPI 1639254279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WA · MD00038456

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1135 116TH AVE NE, Bellevue, WA 98004

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Other Identifiers 4

Medicaid8252496WA

Other100013804WA · Rr Medicare

Other3365YAWA · Regence

Other0136679WA · L&i

Accepted Insurance

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

Eric W Yap 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 ID5890715577

PECOS Enrollment IDI20051123000433

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 19

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.

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

234 services21 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

134 services21 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

83 services83 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

55 services54 patients

Follow-up hospital inpatient care per day, typically 15 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

47 services31 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.

46 services43 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

31 services31 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.

27 services23 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.

25 services25 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

24 services22 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

22 services22 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

20 services18 patients

Initial hospital inpatient care per day, typically 50 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services16 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

16 services16 patients

Initial hospital inpatient care per day, typically 30 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

16 services16 patients

Follow-up hospital inpatient care per day, typically 25 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

12 services11 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

12 services12 patients

Upper gastrointestinal (GI) endoscopy for acid reflux NAN12

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

0 services123 patients

Colonoscopy NAN13

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

0 services243 patients

Hospital Affiliations CMS Care Compare

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

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500051

Location1035-116th Ave NEBellevue, WA 98004 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98004 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

$143.76 typical visit price

range $63.67 – $189.37

Typical copayment $35.94 (range $15.91 – $47.34)

Most-billed visit code 99204

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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 20

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

MS. TAMMY RENEE BARRETT CRNA

Nurse Anesthetist, Certified Registered

1135 116TH AVE NE, SUITE 570
BELLEVUE, WA 98004

King County (425) 451-7335

JO KOENIG HALL CCC-A

Audiologist

1135 116TH AVE NE, SUITE 400
BELLEVUE, WA 98004

King County (206) 987-5770

MRS. ELIZABETH BROOKE REPASS SCM

Genetic Counselor, MS

1135 116TH AVE NE, SUITE 320
BELLEVUE, WA 98004

King County (425) 990-6254

ROBERT M GANNAN MD PHD

Internal Medicine (Gastroenterology)

1135 116TH AVE NE, 560
BELLEVUE, WA 98004

King County (425) 454-4768

DR. THOMAS DAE HUN CHI MD

Orthopaedic Surgery

1135 116TH AVE NE, SUITE 510
BELLEVUE, WA 98004

King County (425) 455-3600

WASHINGTON IMAGING SERVICES LLC

Specialist

1135 116TH AVE NE, STE 260
BELLEVUE, WA 98004

King County (425) 688-0100

DR. JOHN L THAYER M.D.

Orthopaedic Surgery

1135 116TH AVE NE, SUITE 510
BELLEVUE, WA 98004

King County (425) 455-3600

CHIALIN WEY M.D.

Internal Medicine

1135 116TH AVE NE, SUITE 110A
BELLEVUE, WA 98004

King County (425) 289-3100

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 Eric Yap's NPI number?

The NPI number for Eric Yap is 1639254279. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Eric Yap located?

Eric Yap practices at 1135 116th Ave NE Suite 560, Bellevue, WA 98004. The listed phone number is (425) 467-0150.

What is Eric Yap's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Eric Yap enrolled in Medicare?

Yes. Eric Yap 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 Eric Yap accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Eric Yap 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.

Is Eric Yap affiliated with any hospitals?

According to CMS data, Eric Yap is affiliated with Overlake Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Eric Yap was last updated on May 2, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.