Dr John W Griffin, MD - Medicare Internal Medicine in Portland, OR

Dr John W Griffin, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Portland, Oregon. His current practice location is 10101 Se Main St, Ste 2001, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 256-2216.

Dr John W Griffin is licensed to practice in Oregon (license number MD08392) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1316940075.

Contact Information

Dr John W Griffin, MD
10101 Se Main St, Ste 2001,
Portland, OR 97216-2457
(503) 256-2216
(503) 254-3571



Physician's Profile

Full NameDr John W Griffin
GenderMale
SpecialityInternal Medicine - Rheumatology
Location10101 Se Main St, Portland, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1316940075
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 09/21/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 1052448602
  • Enrollment ID: I20100610000442

Medical Identifiers

Medical identifiers for Dr John W Griffin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316940075NPI-NPPES
007062MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology MD08392 (Oregon)Primary

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. Dr John W Griffin allows following entities to bill medicare on his behalf.
Entity NamePortland Adventist Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215910302
PECOS PAC ID: 7012827876
Enrollment ID: O20040226000131

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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. Dr John W Griffin 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
Dr John W Griffin, MD
10101 Se Main St, Ste 2001,
Portland, OR 97216-2457

Ph: (503) 256-2216
Dr John W Griffin, MD
10101 Se Main St, Ste 2001,
Portland, OR 97216-2457

Ph: (503) 256-2216

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Internal Medicine Doctors in Portland, OR

Salona Shrestha, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 4805 Ne Glisan St, Portland, OR 97213
Phone: 503-215-2392    
Dr. Emmanuel Trungtoan Tavan, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2800 N Vancouver Ave, Suite 230, Portland, OR 97227
Phone: 503-413-2901    
Ginevra Lois Liptan, M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 6400 Sw Canyon Ct, Ste 100, Portland, OR 97221
Phone: 503-477-9616    Fax: 503-477-9808
Donald Richard Sullivan, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3181 Sw Sam Jackson Park Rd, Uhn67, Portland, OR 97239
Phone: 503-494-6949    
Dr. Victor Nguyen Pham, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 9205 Sw Barnes Rd, Portland, OR 97225
Phone: 503-216-2906    
Richa Uppal, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 800 Sw 13th Ave, Portland, OR 97205
Phone: 503-221-0161    Fax: 503-274-1697
Reem Hasan, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 3181 Sw Sam Jackson Park Rd, Ppv 350, Portland, OR 97239
Phone: 503-494-8562    

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