William Shaffer, MD - Medicare Internal Medicine in Bloomington, MN

William Shaffer, MD is a medicare enrolled "Internal Medicine" physician in Bloomington, Minnesota. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Allina Health System and his current practice location is 7920 Old Cedar Ave S, Bloomington, Minnesota. You can reach out to his office (for appointments etc.) via phone at (952) 428-1800.

William Shaffer is licensed to practice in Minnesota (license number 30779) 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 1073548459.

Contact Information

William Shaffer, MD
7920 Old Cedar Ave S,
Bloomington, MN 55425-1207
(952) 428-1800
Not Available



Physician's Profile

Full NameWilliam Shaffer
GenderMale
SpecialityInternal Medicine
Experience40 Years
Location7920 Old Cedar Ave S, Bloomington, Minnesota
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 Shaffer attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1984
  NPI Data:
  • NPI Number: 1073548459
  • Provider Enumeration Date: 07/12/2006
  • Last Update Date: 03/11/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3971799149
  • Enrollment ID: I20101130000812

Medical Identifiers

Medical identifiers for William Shaffer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073548459NPI-NPPES
913585300MedicaidMN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 30779 (Minnesota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Allina Health Home HealthSaint paul, MNHome health agency
Home Health Care IncGolden valley, MNHome health agency
Abbott Northwestern HospitalMinneapolis, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Allina Health System45875736133071

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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. William Shaffer allows following entities to bill medicare on his behalf.
Entity NameAllina Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295272342
PECOS PAC ID: 4587573613
Enrollment ID: O20040319000460

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Entity NameAllina Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457657249
PECOS PAC ID: 4587573613
Enrollment ID: O20221213001713

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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. William Shaffer 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 Shaffer, MD
2925 Chicago Ave,
Minneapolis, MN 55407-1321

Ph: (612) 262-5000
William Shaffer, MD
7920 Old Cedar Ave S,
Bloomington, MN 55425-1207

Ph: (952) 428-1800

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Internal Medicine Doctors in Bloomington, MN

Constance Crane, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 7920 Old Cedar Ave S, Bloomington, MN 55425
Phone: 952-851-1000    
Jerome C Siy, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8170 33rd Ave S, Mc21110q, Bloomington, MN 55425
Phone: 651-254-9594    Fax: 651-254-3662
Christofer A. Smith, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 600 W 98th St, Bloomington, MN 55420
Phone: 952-885-6060    
Donald L Zogg, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 5705 W Old Shakopee Rd, Bloomington, MN 55437
Phone: 612-871-1145    
Randy Kimpell, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 7920 Old Cedar Ave S, Bloomington, MN 55425
Phone: 952-851-1000    
Jonathan D. Katz, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 600 W 98th St, Bloomington, MN 55420
Phone: 952-885-6060    

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