Mark Stephen Schiele, MD
Gastroenterology Physician · Tualatin, OR
Mark Stephen Schiele, MD is a gastroenterology physician with a practice address in Tualatin, Oregon, and NPI 1356337943, issued on Sep 20, 2005. Check the license (Oregon MD17603, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Stephen Schiele
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD17603 OR
Self-reported in NPPES; status is on the state search - Practice location
- 19250 SW 90TH Ave, Tualatin, OR 97062
- Phone
- (503) 692-3750
- Enumerated
- Sep 20, 2005
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 691-2324
- Medicaid IDs
- 1356337943 WA
064274 OR - Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 19250 SW 90TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Beilstein, MDGastroenterology Physician1518954668
- Anantnoor Brar, MDGastroenterology Physician1376004101
- Mark Cahill, MDGastroenterology Physician1598957888
- Stephen Chen, M.D.Gastroenterology Physician1831221837
- Ryan Childers, M.D.Gastroenterology Physician1568627594
- Jeffrey Douglass, MDGastroenterology Physician1487611984
Verify Mark Stephen Schiele in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD17603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gastroenterology physician in 2024
89 Medicare Part D claims for 38 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Pantoprazole Sodium21 claims
- Stelara12 claims
- Omeprazole11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mark Stephen Schiele among 281 gastroenterology physician records in Oregon
Mark Stephen Schiele, MD is one of 281 gastroenterology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 gastroenterology physician records list a practice address in Tualatin
They are 18 of the 863 NPPES records with a practice address in Tualatin, and 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Tualatin → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michelle Beilstein, MDTualatin, OR 970621518954668
- Mark Cahill, MDTualatin, OR 970621598957888
- Stephen Chen, M.D.Tualatin, OR 970621831221837
- Ryan Childers, M.D.Tualatin, OR 970621568627594
- Jeffrey Douglass, MDTualatin, OR 970621487611984
- Jeffrey Duman, MDTualatin, OR 970621174679773
- Karl Kim, MDTualatin, OR 970621902958671
- Sarah LeeTualatin, OR 970621972861599
Common questions
What is Mark Stephen Schiele, MD's NPI number?
Mark Stephen Schiele, MD's National Provider Identifier (NPI) is 1356337943, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Stephen Schiele, MD located?
The NPPES record lists a practice address at 19250 SW 90TH Ave, Tualatin, OR, 97062. Phone: (503) 692-3750. Providers update this record themselves, so call before visiting.
How can I verify Mark Stephen Schiele, MD's license?
NPPES lists Oregon license number MD17603, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Stephen Schiele, MD prescribe under Medicare Part D?
In 2024, Mark Stephen Schiele, MD had 89 Medicare Part D claims for 38 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.