Dr Mark Edward Pearson, MD - Medicare Rheumatology in Waukesha, WI

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Dr Mark Edward Pearson, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Waukesha, Wisconsin. He went to Medical College Of Wisconsin and graduated in 1982 and has 44 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice West Suburban Ctr For Arthritis and his current practice location is 20800 Swenson Dr Ste 175, Waukesha, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 785-0777.

Dr Mark Edward Pearson is licensed to practice in Wisconsin (license number 28413) 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 1407857048.

Contact Information

Dr Mark Edward Pearson, MD
20800 Swenson Dr Ste 175,
Waukesha, WI 53186-4000
(262) 785-0777
(262) 785-0610

Map and Direction




Physician's Profile

Full NameDr Mark Edward Pearson
GenderMale
SpecialityRheumatology
Experience44 Years
Location20800 Swenson Dr Ste 175, Waukesha, 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 Mark Edward Pearson attended and graduated from Medical College Of Wisconsin in 1982
  NPI Data:
  • NPI Number: 1407857048
  • Provider Enumeration Date: 08/04/2005
  • Last Update Date: 02/02/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 5991830226
  • Enrollment ID: I20100812000102

Medical Identifiers

Medical identifiers for Dr Mark Edward Pearson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407857048NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 28413 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Prohealth Waukesha Memorial HospitalWaukesha, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
West Suburban Ctr For Arthritis32746782306

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 Mark Edward Pearson allows following entities to bill medicare on his behalf.
Entity NameWest Suburban Ctr for Arthritis
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407857188
PECOS PAC ID: 3274678230
Enrollment ID: O20100303000088

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 Mark Edward Pearson 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 Mark Edward Pearson, MD
20800 Swenson Dr Ste 175,
Waukesha, WI 53186-4000

Ph: (262) 785-0777		Dr Mark Edward Pearson, MD
20800 Swenson Dr Ste 175,
Waukesha, WI 53186-4000

Ph: (262) 785-0777

Reviews and Comments


Internal Medicine Doctors in Waukesha, WI

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Dr. Richard B Leech, M.D.
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Phone: 262-549-1516    Fax: 262-549-0648
Brian W Lee, M.D.
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Phone: 262-696-0808    Fax: 262-696-0965
Jonathan Kapke, DO
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Practice Location: N16w24131 Riverwood Dr, Waukesha, WI 53188
Phone: 262-696-5690    
Harry B. Hostetler, M.D.
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Practice Location: 1625 Coldwater Creek Dr, Waukesha, WI 53188
Phone: 262-521-8800    Fax: 262-521-8870
Christine Wahmhoff, M.D.
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Practice Location: N14w23900 Stone Ridge Dr, Prohealth Care Medical Associates Inc., Waukesha, WI 53188
Phone: 262-549-3030    

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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