Benjamin Siemanowski, MD - Medicare Gastroenterology in Bellingham, WA

Benjamin Siemanowski, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Bellingham, Washington. He went to Jefferson Medical College Of Thomas Jefferson University and graduated in 2000 and has 24 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Northwest Gastroenterology Professional Llc and his current practice location is 3111 Woburn St Ste 201, Bellingham, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 734-1420.

Benjamin Siemanowski is licensed to practice in Washington (license number MD00047499) 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 1548301120.

Contact Information

Benjamin Siemanowski, MD
3111 Woburn St Ste 201,
Bellingham, WA 98226-6610
(360) 734-1420
(360) 733-1659



Physician's Profile

Full NameBenjamin Siemanowski
GenderMale
SpecialityGastroenterology
Experience24 Years
Location3111 Woburn St Ste 201, Bellingham, Washington
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:
  • Benjamin Siemanowski attended and graduated from Jefferson Medical College Of Thomas Jefferson University in 2000
  NPI Data:
  • NPI Number: 1548301120
  • Provider Enumeration Date: 02/08/2007
  • Last Update Date: 05/24/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0244337285
  • Enrollment ID: I20070525000302

Medical Identifiers

Medical identifiers for Benjamin Siemanowski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548301120NPI-NPPES
7201924OtherWAAETNA
1548301120MedicaidWA
2854SIOtherWAREGENCE
0229984OtherWAL&I AND CRIME VICTIMS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD00047499 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Joseph HospitalBellingham, WAHospital
Island HospitalAnacortes, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwest Gastroenterology Professional Llc933505226515

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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. Benjamin Siemanowski allows following entities to bill medicare on his behalf.
Entity NameNorthwest Gastroenterology Professional Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033278411
PECOS PAC ID: 9335052265
Enrollment ID: O20031107000129

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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. Benjamin Siemanowski 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
Benjamin Siemanowski, MD
3111 Woburn St Ste 201,
Bellingham, WA 98226-6610

Ph: (360) 734-1420
Benjamin Siemanowski, MD
3111 Woburn St Ste 201,
Bellingham, WA 98226-6610

Ph: (360) 734-1420

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Researchers recently conducted the largest study to date to evaluate the effectiveness of weight loss surgery in a Chinese population of individuals with obesity and type 2 diabetes.

Discovery of backup stem cells that can repair damage to olfactory nerves

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Internal Medicine Doctors in Bellingham, WA

Katherine Morgan, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2592 Kwina Rd, Bellingham, WA 98226
Phone: 360-384-0464    
Hannah Sheinin, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 2979 Squalicum Pkwy, Suite 301, Bellingham, WA 98225
Phone: 360-734-1420    Fax: 360-756-6666
Ankur Mogla, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 410 Birchwood Ave Ste 200, Bellingham, WA 98225
Phone: 360-734-9233    
Dr. Sumner Todd Mcallister, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 722 N State St, Bellingham, WA 98225
Phone: 360-752-2865    
Amir Gharaei, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3015 Squalicum Pkwy, Suite 140, Bellingham, WA 98225
Phone: 360-788-6112    
Scott Michael Letellier, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3301 Squalicum Pkwy, Bellingham, WA 98225
Phone: 360-788-8222    Fax: 360-788-7759
Dr. Sukhjit Singh Shergill,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4545 Cordata Pkwy, Suite 2b, Bellingham, WA 98226
Phone: 360-738-2200    Fax: 360-752-5683

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