Stephen Lumin Chen, MD - Medicare Gastroenterology in Tualatin, OR

Stephen Lumin Chen, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Tualatin, Oregon. He went to University Of Chicago, Pritzker School Of Medicine and graduated in 2001 and has 23 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Oregon Clinic Pc and his current practice location is 19250 Sw 90th Ave, Tualatin, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 692-3750.

Stephen Lumin Chen is licensed to practice in Oregon (license number MD27258) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1831221837.

Contact Information

Stephen Lumin Chen, MD
19250 Sw 90th Ave,
Tualatin, OR 97062-7585
(503) 692-3750
(503) 691-2324



Physician's Profile

Full NameStephen Lumin Chen
GenderMale
SpecialityGastroenterology
Experience23 Years
Location19250 Sw 90th Ave, Tualatin, Oregon
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Stephen Lumin Chen attended and graduated from University Of Chicago, Pritzker School Of Medicine in 2001
  NPI Data:
  • NPI Number: 1831221837
  • Provider Enumeration Date: 03/12/2007
  • Last Update Date: 11/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1951495316
  • Enrollment ID: I20070917000534

Medical Identifiers

Medical identifiers for Stephen Lumin Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831221837NPI-NPPES
243119MedicaidOR
1831221837MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD27258 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Newberg Medical CenterNewberg, ORHospital
Legacy Meridian Park Medical CenterTualatin, ORHospital
Providence Willamette Falls Medical CenterOregon city, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oregon Clinic Pc2860390408319

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Stephen Lumin Chen allows following entities to bill medicare on his behalf.
Entity NameOregon Clinic Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265417174
PECOS PAC ID: 2860390408
Enrollment ID: O20031222000096

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Stephen Lumin Chen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Stephen Lumin Chen, MD
541 Ne 20th Ave Ste 225,
Portland, OR 97232-2895

Ph: (503) 963-2801
Stephen Lumin Chen, MD
19250 Sw 90th Ave,
Tualatin, OR 97062-7585

Ph: (503) 692-3750

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Internal Medicine Doctors in Tualatin, OR

Jaymee E Delaney, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 19260 Sw 65th Ave, Ste 270, Tualatin, OR 97062
Phone: 503-352-0770    
Jessica Kazue Haraga, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 19250 Sw 90th Ave, Tualatin, OR 97062
Phone: 503-692-3750    Fax: 503-691-2324
Dr. Benito G Pataroque, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 6485 Sw Borland Rd, Suite D, Tualatin, OR 97062
Phone: 503-692-3647    Fax: 503-691-1670
Dr. Tammi Kaye Boston, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 19875 Sw 65th Ave, Suite 100, Tualatin, OR 97062
Phone: 503-692-7785    Fax: 503-885-1663
Dr. William H Treuhaft, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 6485 Sw Borland Rd, Suite F, Tualatin, OR 97062
Phone: 503-413-3650    Fax: 503-413-3644
Dean Kyle Peterson, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 19300 Sw 65th Ave, Tualatin, OR 97062
Phone: 503-413-8407    Fax: 503-413-6951
Dr. Mark Leo Mckinstry, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 19875 Sw 65th Ave, Tualatin, OR 97062
Phone: 503-692-7785    Fax: 503-885-1663

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