Dr James P Twesten-otoole, MD - Medicare Addiction Medicine in Norton Shores, MI

Dr James P Twesten-otoole, MD is a medicare enrolled "Family Medicine - Addiction Medicine" physician in Norton Shores, Michigan. He went to University Of Michigan Medical School and graduated in 1998 and has 26 years of diverse experience with area of expertise as Addiction Medicine. He is a member of the group practice Mercy Physician Network and his current practice location is 3570 Henry St, Suite 220, Norton Shores, Michigan. You can reach out to his office (for appointments etc.) via phone at (616) 685-6920.

Dr James P Twesten-otoole is licensed to practice in Michigan (license number 4301072802) 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 1174599344.

Contact Information

Dr James P Twesten-otoole, MD
3570 Henry St, Suite 220,
Norton Shores, MI 49441
(616) 685-6920
(231) 672-7717

Map and Direction




Physician's Profile

Full NameDr James P Twesten-otoole
GenderMale
SpecialityAddiction Medicine
Experience26 Years
Location3570 Henry St, Norton Shores, Michigan
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:
  • Dr James P Twesten-otoole attended and graduated from University Of Michigan Medical School in 1998
  NPI Data:
  • NPI Number: 1174599344
  • Provider Enumeration Date: 02/27/2006
  • Last Update Date: 07/11/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5193623825
  • Enrollment ID: I20031219000437

Medical Identifiers

Medical identifiers for Dr James P Twesten-otoole such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174599344NPI-NPPES
1174599344MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 4301072802 (Michigan)Secondary
207QA0401XFamily Medicine - Addiction Medicine 4301072802 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Health Hackley CampusMuskegon, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Physician Network892199630798

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 James P Twesten-otoole allows following entities to bill medicare on his behalf.
Entity NameMercy Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023056744
PECOS PAC ID: 8921996307
Enrollment ID: O20040308000687
Entity NameAdvantage Health/saint Mary's Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376862151
PECOS PAC ID: 4082807961
Enrollment ID: O20101023000279

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 James P Twesten-otoole 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 James P Twesten-otoole, MD
Po Box 776982,
Chicago, IL 60677-6982

Ph: (800) 494-5797
Dr James P Twesten-otoole, MD
3570 Henry St, Suite 220,
Norton Shores, MI 49441

Ph: (616) 685-6920

Reviews and Comments


Family Medicine Doctors in Norton Shores, MI

Michael Banka, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3570 Henry St Ste 120, Norton Shores, MI 49441
Phone: 231-672-7000    Fax: 231-728-5041
William Nelson, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 800 E Ellis Rd, Suite 225, Norton Shores, MI 49441
Phone: 231-798-9840    Fax: 231-798-9740
Dr. David G Booth, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3535 Park St Ste 110, Norton Shores, MI 49444
Phone: 231-672-3155    Fax: 231-672-3157
Rachael Nicole Lane, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 6401 Prairie St Ste 2600, Norton Shores, MI 49444
Phone: 231-672-7900    Fax: 231-672-7931
Amanda Willhardt, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6401 Prairie St Ste 2600, Norton Shores, MI 49444
Phone: 231-672-7900    Fax: 231-672-7931
Sean M Lawson, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 3570 Henry St Ste 220, Norton Shores, MI 49441
Phone: 231-672-3155    Fax: 231-672-3157

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.