MR. JOHN A WALKER MD
NPI 1346210994
Internal Medicine - Gastroenterology in Bend, OR

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment
1342 NE MEDICAL CENTER DR STE 100, BEND, OR 97701(541) 388-2333(541) 388-0930 Get Directions Write a Review

NPPES record last updated: July 12, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mr. John A Walker Md NPPES

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

MR. JOHN A WALKER MD (NPI 1346210994) is an individual gastroenterology provider in Bend, Oregon, licensed in Oregon (MD10503) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1973).

NPPES Registry Identity

NPI1346210994
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMR. JOHN A WALKERCredential: MD
Location Address1342 NE MEDICAL CENTER DR STE 100Bend, OR 97701-5918
Mailing Address2627 Eastover TerraceMedford, OR 97504 · (541) 772-5975
Fax(541) 388-0930
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1973
Enumeration DateJanuary 25, 2006
Last NPPES UpdateJuly 12, 2022
NPPES CertifiedJuly 12, 2022
NPI 1346210994 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 OR · MD10503
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.

1342 NE MEDICAL CENTER DR STE 100, Bend, OR 97701

Other Identifiers 3

MedicaidUSA242450CA
Medicaid255661OR
Other00SS91002OR · Regence Blue Cross

Accepted 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

Mr. John A Walker 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 ID547239543
PECOS Enrollment IDI20110331000714
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 6

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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.
63 services63 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.
27 services25 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.
13 services13 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.
11 services11 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 services37 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 services69 patients

Hospital Affiliations CMS Care Compare

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

Mercy Medical Center

Acute Care Hospitals · Roseburg, OR
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number380027
Location2700 NW Stewart ParkwayRoseburg, OR 97471 · Douglas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97701 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 6

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

Nurse Practitioner (Family)
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 97701
Psychiatry & Neurology (Neurology)
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 97701
Specialist
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 97701
Internal Medicine (Gastroenterology)
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 97701
Physician Assistant
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 97701
Physician Assistant
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 97701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346210994, enumerated as an "individual" on January 25, 2006.

The provider is located at 1342 NE MEDICAL CENTER DR STE 100 BEND, OR 97701 and the phone number is (541) 388-2333.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: BridgeSpan Health Company, Moda Health Plan, Inc.,. Please consult your insurance carrier or call the provider to verify.

John Walker is affiliated with: MERCY MEDICAL CENTER.