Walter M Hassig, MD - Medicare Gastroenterology in Federal Way, WA

Walter M Hassig, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Federal Way, Washington. He went to Michigan State University College Of Osteopathic Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Washington Gastroenterology Pllc and his current practice location is 33915 1st Way S Ste 200, Federal Way, Washington. You can reach out to his office (for appointments etc.) via phone at (253) 272-5127.

Walter M Hassig is licensed to practice in Washington (license number MD00037341) 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 1730152794.

Contact Information

Walter M Hassig, MD
33915 1st Way S Ste 200,
Federal Way, WA 98003-6396
(253) 272-5127
Not Available



Physician's Profile

Full NameWalter M Hassig
GenderMale
SpecialityGastroenterology
Experience38 Years
Location33915 1st Way S Ste 200, Federal Way, 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:
  • Walter M Hassig attended and graduated from Michigan State University College Of Osteopathic Medicine in 1986
  NPI Data:
  • NPI Number: 1730152794
  • Provider Enumeration Date: 02/09/2006
  • Last Update Date: 06/21/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 5092605832
  • Enrollment ID: I20100615000188

Medical Identifiers

Medical identifiers for Walter M Hassig such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730152794NPI-NPPES
MD00037341OtherWAWA LICENSE
8240947MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD00037341 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tacoma General Allenmore HospitalTacoma, WAHospital
Multicare Good Samaritan HospitalPuyallup, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Washington Gastroenterology Pllc6204194848115

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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. Walter M Hassig allows following entities to bill medicare on his behalf.
Entity NameWashington Gastroenterology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306364401
PECOS PAC ID: 6204194848
Enrollment ID: O20180103000884

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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. Walter M Hassig 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
Walter M Hassig, MD
33915 1st Way S Ste 200,
Federal Way, WA 98003-6396

Ph: () -
Walter M Hassig, MD
33915 1st Way S Ste 200,
Federal Way, WA 98003-6396

Ph: (253) 272-5127

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Internal Medicine Doctors in Federal Way, WA

Alain L Lambert, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 34503 9th Ave S Ste 100, Federal Way, WA 98003
Phone: 253-835-8700    Fax: 360-830-1385
Peter Campbell Gregory, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 32014 32nd Ave S, Federal Way, WA 98001
Phone: 253-874-7107    Fax: 253-874-1923
Delia Viisoreanu, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 33501 1st Way S, Federal Way, WA 98003
Phone: 253-838-2400    Fax: 253-874-1634
Dr. Shaista Quddusi, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 700 S 320th St, Suite D, Federal Way, WA 98003
Phone: 253-880-1029    
Romana Shehzadi, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 34503 9th Ave S Ste 130, Federal Way, WA 98003
Phone: 253-835-5340    Fax: 253-835-5350
Dr. Sasha Oommen Joseph, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 34509 9th Ave S, Suite 107, Federal Way, WA 98003
Phone: 253-952-8349    Fax: 253-927-3049
Dr. Rohan Sharma, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 34509 9th Ave S Ste 107, Federal Way, WA 98003
Phone: 253-952-8349    

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