Dr Ian R Powell, MD - Medicare in Oconomowoc, WI

Dr Ian R Powell, MD is a medicare enrolled "Internal Medicine - Addiction Medicine" provider in Oconomowoc, Wisconsin. He graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Addiction Medicine. He is a member of the group practice Rosecrance Inc and his current practice location is 34700 Valley Rd, Oconomowoc, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 646-1391.

Dr Ian R Powell is licensed to practice in Wisconsin (license number 39133) 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 1346212545.

Contact Information

Dr Ian R Powell, MD
34700 Valley Rd,
Oconomowoc, WI 53066-4500
(262) 646-1391
(262) 646-1393

Map and Direction




Healthcare Provider's Profile

Full NameDr Ian R Powell
GenderMale
SpecialityAddiction Medicine
Experience28 Years
Location34700 Valley Rd, Oconomowoc, Wisconsin
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 Ian R Powell graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1346212545
  • Provider Enumeration Date: 02/02/2006
  • Last Update Date: 10/20/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 3274528591
  • Enrollment ID: I20211005003208

Medical Identifiers

Medical identifiers for Dr Ian R Powell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346212545NPI-NPPES
32580600MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TA0400XPsychologist - Addiction (substance Use Disorder) 39133 (Wisconsin)Secondary
207RA0401XInternal Medicine - Addiction Medicine 39133 (Wisconsin)Primary
207R00000XInternal Medicine 39133 (Wisconsin)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rosecrance Inc377965658215

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 Ian R Powell allows following entities to bill medicare on his behalf.
Entity NameRosecrance Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013289446
PECOS PAC ID: 3779656582
Enrollment ID: O20130502000371

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 Ian R Powell 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 Ian R Powell, MD
34700 Valley Rd,
Oconomowoc, WI 53066-4500

Ph: () -
Dr Ian R Powell, MD
34700 Valley Rd,
Oconomowoc, WI 53066-4500

Ph: (262) 646-1391

Reviews and Comments



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.