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: August 16, 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 7

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.
107 services105 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.
51 services51 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.
40 services40 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.
31 services31 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.
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.
15 services15 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 5

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

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

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 John Walker's NPI number?

The NPI number for John Walker is 1346210994. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is John Walker located?

John Walker practices at 1342 NE Medical Center Dr Ste 100, Bend, OR 97701. The listed phone number is (541) 388-2333.

What is John Walker's specialty?

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

Is John Walker enrolled in Medicare?

Yes. John Walker 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 John Walker accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list John Walker 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 John Walker affiliated with any hospitals?

According to CMS data, John Walker is affiliated with Mercy Medical Center.

When was this NPI record last updated?

The NPPES record for John Walker was last updated on July 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.