Ann M Corsi, MD - Medicare Rheumatology in Missoula, MT

Ann M Corsi, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Missoula, Montana. She went to University Of Florida College Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Western Montana Clinic Pc and her current practice location is 500 West Broadway, Missoula, Montana. You can reach out to her office (for appointments etc.) via phone at (406) 721-5600.

Ann M Corsi is licensed to practice in Montana (license number 8764) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1568418630.

Contact Information

Ann M Corsi, MD
500 West Broadway,
Missoula, MT 59802-4008
(406) 721-5600
(406) 721-3907

Map and Direction




Physician's Profile

Full NameAnn M Corsi
GenderFemale
SpecialityRheumatology
Experience37 Years
Location500 West Broadway, Missoula, Montana
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ann M Corsi attended and graduated from University Of Florida College Of Medicine in 1987
  NPI Data:
  • NPI Number: 1568418630
  • Provider Enumeration Date: 05/26/2006
  • Last Update Date: 06/21/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3476695537
  • Enrollment ID: I20100127000784

Medical Identifiers

Medical identifiers for Ann M Corsi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568418630NPI-NPPES
0022389MedicaidMT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 8764 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St. Patrick HospitalMissoula, MTHospital
Marcus Daly Memorial Hospital - CahHamilton, MTHospital
Steele Memorial Medical CenterSalmon, IDHospital
Kalispell Regional Medical CenterKalispell, MTHospital
St James HealthcareButte, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Western Montana Clinic Pc246636500240

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. Ann M Corsi allows following entities to bill medicare on her behalf.
Entity NameWestern Montana Clinic Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942253182
PECOS PAC ID: 2466365002
Enrollment ID: O20031110000361

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. Ann M Corsi 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
Ann M Corsi, MD
Po Box 7609,
Missoula, MT 59807-7609

Ph: (406) 721-5600
Ann M Corsi, MD
500 West Broadway,
Missoula, MT 59802-4008

Ph: (406) 721-5600

Reviews and Comments


Internal Medicine Doctors in Missoula, MT

Mr. George Bandow, MD
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Practice Location: 2809 Great Northern Loop, Suite 200, Missoula, MT 59808
Phone: 406-541-7139    Fax: 406-541-7143
Simone Musco, MD
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Practice Location: 500 W Broadway St, Ste 320, Missoula, MT 59802
Phone: 406-329-5615    
Rolf H O Holle, M.D.
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Practice Location: 1782 Elison Ln Unit 3, Missoula, MT 59802
Phone: 406-544-1871    
John David Anthony Lakatua, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 500 West Broadway, Missoula, MT 59802
Phone: 406-721-5600    Fax: 406-721-3907
Mr. Curtis G Wickre, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 500 W Broadway St, 4th Floor, Missoula, MT 59802
Phone: 406-327-1900    
Dr. Charlotte Nelson, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 500 W Broadway St, Missoula, MT 59802
Phone: 406-327-1613    
Michele A Danicich, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 900 N Orange St Ste 304, Missoula, MT 59802
Phone: 406-329-5781    Fax: 406-327-3331

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.