JOYCE MICHELLE KOH M.D.
NPI 1144480484
Internal Medicine - Gastroenterology in Hermiston, OR

Q: What is Joyce Koh's NPI number?

The NPI number for Joyce Koh is 1144480484. It was assigned to this individual provider in the NPPES registry on June 10, 2008.

Q: What is Joyce Koh'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 Joyce Koh was last updated on June 9, 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 10, 2008PECOS EnrolledAccepts Medicare Assignment

620 NW 11TH ST STE M206, HERMISTON, OR 97838(541) 667-3804(541) 667-0192 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 8, 2024, Oct 15, 2022 (2 updates tracked since 2022).

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About Joyce Michelle Koh M.d. NPPES

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

JOYCE MICHELLE KOH M.D. (NPI 1144480484) is an individual gastroenterology provider in Hermiston, Oregon, licensed in Oregon (MD212643) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and is a graduate of Pennsylvania State University College Of Medicine (2008).

NPPES Registry Identity

NPI1144480484

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameJOYCE MICHELLE KOHCredential: M.D.

Location Address620 NW 11TH ST STE M206Hermiston, OR 97838-6941

Mailing AddressPo Box 18255Irvine, CA 92623-8255 · (410) 929-5569 · Fax (877) 929-2010

Phone(541) 667-3804

Fax(541) 667-0192

Sole ProprietorNo

Medical School CMSPennsylvania State University College Of MedicineGraduated 2008

Enumeration DateJune 10, 2008

Last NPPES UpdateJune 9, 20262 updates tracked since enumeration

NPPES CertifiedJune 9, 2026

✔ NPI 1144480484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in OR · MD212643✔ Licensed in MD · D0074501✔ Licensed in MI · 4301510763

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.

620 NW 11TH ST STE M206, Hermiston, OR 97838

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, BridgeSpan Health Company and more.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

Joyce Michelle Koh 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 ID3971752635

PECOS Enrollment IDI20231226001011

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 3

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.

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.

75 services75 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.

48 services48 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.

39 services39 patients

Hospital Affiliations CMS Care Compare 4

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

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230017

Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County

Emergency services Birthing friendly

Bronson Lakeview Hospital

Critical Access Hospitals · Paw Paw, MI

OwnershipVoluntary non-profit - Private

CMS Certification Number231332

Location408 Hazen StreetPaw Paw, MI 49079 · Van Buren County

Emergency services

Good Shepherd Medical Center

Critical Access Hospitals · Hermiston, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number381325

Location610 NW 11th StreetHermiston, OR 97838 · Umatilla County

Emergency services Birthing friendly

Conemaugh Memorial Medical Center

Acute Care Hospitals · Johnstown, PA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number390110

Location1086 Franklin StreetJohnstown, PA 15905 · Cambria County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97838 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

$126.25 typical visit price

range $54.96 – $166.64

Typical copayment $31.56 (range $13.74 – $41.66)

Most-billed visit code 99204

Established Patient

$97.16 typical visit price

range $17.68 – $136.19

Typical copayment $24.29 (range $4.42 – $34.04)

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 5

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

DR. GARRETT M POOL MD

Surgery