MARK STEPHEN SCHIELE (MD) – Gastroenterology Physician, NPI 1356337943

MARK STEPHEN SCHIELE (MD) is a healthcare provider. based in Oregon city, Oregon. specializing in Gastroenterology Physician. They hold the professional credentials MD. They hold a License No. MD17603 (OR). The NPI Number for MARK STEPHEN SCHIELE (MD) is 1356337943

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
MARK STEPHEN SCHIELE (MD)
NPI
1356337943
Phone
(503) 692-3750
Address
1508 DIVISION ST
Enumeration Date
20 September 2005
Last Update Date
1 December 2021

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Secondary Phone
5036923750
Graduation Year
1989 (37 years ago)
PAC ID
5890722920
Group Practice PAC ID
2860390408
Professional Enrollment ID
I20100820000270

Contacts

Secure Messaging
referringgso@orclinic.direct-ci.net
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for MARK STEPHEN SCHIELE (MD)

  • 1508, Division Street, McLoughlin, Oregon City, Clackamas County, Oregon, 97045, United States

    SUITE 15

    OREGON CITY, OR 970451582

    Phone: (503) 692-3750

    Fax: (503) 691-2324

    Type: Location

  • 847, Northeast 19th Avenue, Kerns, Portland, Multnomah County, Oregon, 97232, United States

    SUITE 300

    PORTLAND, OR 972322684

    Phone: (503) 963-2801

    Fax: (503) 963-2825

    Type: Mailing

  • 19250 SW 90TH AVE

    TUALATIN, OR 970627585

    Phone: (503) 692-3750

    Fax: (503) 691-2324

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity13480$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare7574$0
99213Established patient office or other outpatient visit, 20-29 minutes5753$0
99214Established patient office or other outpatient visit, 30-39 minutes4940$0
G0105Colorectal cancer screening; colonoscopy on individual at high risk2121$0
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Insurance plans in this area (ZIP 97045)

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Provider's Procedures

MARK STEPHEN SCHIELE (MD) performs procedures in Gastroenterology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYOR43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope2120

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2860390408View full group profile
NameSpecialtyState
Physician AssistantOR
Pulmonary DiseaseOR
-OR
O T O L A R Y N G O L O G YOR
Internal Medicine, GastroenterologyOR
Gastroenterology, Internal MedicineOR
-OR
-OR
-OR
Physician AssistantOR

Reviews

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Frequently asked questions

How do payers reference MARK STEPHEN SCHIELE (MD)?
For MARK STEPHEN SCHIELE (MD), use NPI 1356337943 as the unique 10-digit identifier.
Is MARK STEPHEN SCHIELE (MD) still an active registrant?
MARK STEPHEN SCHIELE (MD) carries an active NPI according to the public dataset.
What expertise is attributed to MARK STEPHEN SCHIELE (MD)?
MARK STEPHEN SCHIELE (MD)'s specialty line reads Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
Where in Oregon is MARK STEPHEN SCHIELE (MD) registered?
Use Oregon City, Oregon as the headline location for MARK STEPHEN SCHIELE (MD) here.
When was this NPI issued?
Enumeration for MARK STEPHEN SCHIELE (MD) is noted as September 20, 2005 where the registry provides it.

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