William H Holderman, MD - Medicare Gastroenterology in Tacoma, WA

William H Holderman, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Tacoma, Washington. He went to R Franklin University Of Med & Sci/chicago Medical School and graduated in 1987 and has 37 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 3209 S 23rd St, Ste. 340, Tacoma, Washington. You can reach out to his office (for appointments etc.) via phone at (253) 272-8148.

William H Holderman is licensed to practice in Washington (license number MD00030625) 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 1346213956.

Contact Information

William H Holderman, MD
3209 S 23rd St, Ste. 340,
Tacoma, WA 98405-1602
(253) 272-8148
(253) 404-0506

Map and Direction




Physician's Profile

Full NameWilliam H Holderman
GenderMale
SpecialityGastroenterology
Experience37 Years
Location3209 S 23rd St, Tacoma, 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:
  • William H Holderman attended and graduated from R Franklin University Of Med & Sci/chicago Medical School in 1987
  NPI Data:
  • NPI Number: 1346213956
  • Provider Enumeration Date: 02/13/2006
  • Last Update Date: 04/04/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 6406844091
  • Enrollment ID: I20100515000132

Medical Identifiers

Medical identifiers for William H Holderman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346213956NPI-NPPES
MD00030625OtherWAWA LICENSE
8149072MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD00030625 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tacoma General Allenmore HospitalTacoma, WAHospital

Group Practice Association

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

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. William H Holderman 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

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. William H Holderman 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
William H Holderman, MD
2420 S Union Ave, Ste 200,
Tacoma, WA 98405-1322

Ph: (253) 272-8148
William H Holderman, MD
3209 S 23rd St, Ste. 340,
Tacoma, WA 98405-1602

Ph: (253) 272-8148

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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