WILLIAM K.Y. CHEN M.D.
NPI 1982744942
Internal Medicine - Gastroenterology in Roseville, CA

Q: What is William Chen's NPI number?

The NPI number for William Chen is 1982744942. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Q: What is William Chen'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 William Chen was last updated on April 16, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since February 07, 2007PECOS EnrolledAccepts Medicare Assignment

5 MEDICAL PLAZA DR STE 140, ROSEVILLE, CA 95661(916) 878-4940 Get Directions Write a Review

NPPES record last updated: April 16, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About William K.y. Chen M.d. NPPES

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

WILLIAM K.Y. CHEN M.D. (NPI 1982744942) is an individual gastroenterology provider in Roseville, California, licensed in California (G57578) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1982744942

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWILLIAM K.Y. CHENCredential: M.D.

Location Address5 MEDICAL PLAZA DR STE 140Roseville, CA 95661-2866

Mailing AddressPo Box 255228Sacramento, CA 95865-5228

Phone(916) 878-4940

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateFebruary 7, 2007

Last NPPES UpdateApril 16, 2020

NPPES CertifiedApril 16, 2020

✔ NPI 1982744942 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 CA · G57578

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.

5 MEDICAL PLAZA DR STE 140, Roseville, CA 95661

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Other Identifiers 5

OtherZZZ13841ZCA · Medicare Id Roseville

OtherZZZ29516ZCA · Medicare Id - Lincoln

OtherZZZ43589ZCA · Medicare Submitter Id

OtherG57578CA · Ca Medical License

OtherZZZ13842ZCA · Medicare Id Carmichael

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

William K.y. Chen 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 ID5991782641

PECOS Enrollment IDI20080818000590

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 20

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 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.

194 services194 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 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.

179 services149 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.

96 services92 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

68 services63 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.

57 services56 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

51 services44 patients

Review by radiologist of image from tube placement into bile duct using an endoscope 74328

This procedure involves a specialist, called a radiologist, examining an image taken during a tube placement into your bile duct. The tube is inserted with the help of a tool called an endoscope. This allows the doctor to check for any issues or abnormalities in your bile duct.

38 services33 patients

Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43270

This procedure involves using a flexible tool called an endoscope to identify and remove abnormal growths or polyps in the esophagus, stomach, or upper small bowel. It's a safe way to prevent these growths from causing health issues.

35 services33 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.

35 services35 patients

Incision of pancreatic outlet using a flexible endoscope 43262

This procedure involves a small cut in the outlet of the pancreas using a flexible tube with a camera, called an endoscope. It helps doctors diagnose and treat conditions affecting the pancreas, enhancing patient comfort and recovery.

33 services32 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.

31 services31 patients

Balloon dilation of pancreatic or bile duct or sphincter using a flexible endoscope 43277

Balloon dilation is a procedure where a tiny balloon is inserted via an endoscope into your pancreatic or bile duct. The balloon is then inflated to widen the duct, improving flow and relieving blockages. It's a non-surgical, minimally invasive procedure.

27 services25 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

25 services25 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

24 services24 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

20 services20 patients

Removal of foreign bodies of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43247

This procedure involves using a flexible instrument, called an endoscope, to remove foreign objects lodged in the esophagus, stomach, or upper small bowel. The endoscope is gently inserted through the mouth to reach the affected area and safely extract the foreign body.

17 services15 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

16 services16 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

14 services14 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

14 services12 patients

Removal of stent from pancreatic or bile duct using a flexible endoscope 43275

This procedure involves removing a stent from your pancreatic or bile duct. A flexible endoscope, a thin tube with a light and camera, is used to locate the stent. Once found, it's carefully extracted. This helps maintain proper duct function.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95661 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

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

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.

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Other Providers at the Same Location NPPES 3

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

KATHERINE CHIA CHI CHIN

Nurse Practitioner (Family)

5 MEDICAL PLAZA DR STE 140
ROSEVILLE, CA 95661

Placer County (916) 878-4940

DAVID J. POMPA MD

Internal Medicine (Gastroenterology)

5 MEDICAL PLAZA DR STE 140
ROSEVILLE, CA 95661

Placer County (916) 878-4940

SHILPA LINGALA M.D.

Internal Medicine (Gastroenterology)

5 MEDICAL PLAZA DR STE 140
ROSEVILLE, CA 95661

Placer County (916) 878-4940

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 William Chen's NPI number?

The NPI number for William Chen is 1982744942. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Where is William Chen located?

William Chen practices at 5 Medical Plaza Dr Ste 140, Roseville, CA 95661. The listed phone number is (916) 878-4940.

What is William Chen's specialty?

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

Is William Chen enrolled in Medicare?

Yes. William Chen 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.

When was this NPI record last updated?

The NPPES record for William Chen was last updated on April 16, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.