Natalie Lorraine Siwula, PA - Medicare Physician Assistant in Allendale, MI

Natalie Lorraine Siwula, PA is a medicare enrolled "Physician Assistant" in Allendale, Michigan. She graduated from nursing school in 2025 and has 1 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Iha Health Services Corporation and her current practice location is 1 Campus Dr, Allendale, Michigan. You can reach out to her office (for appointments etc.) via phone at (616) 331-5700.

Natalie Lorraine Siwula is licensed to practice in * (Not Available) (license number ) 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 1487470456.

Contact Information

Natalie Lorraine Siwula, PA
1 Campus Dr,
Allendale, MI 49401-9403
(616) 331-5700
(626) 331-5999

Map and Direction




Provider's Profile

Full NameNatalie Lorraine Siwula
GenderFemale
SpecialityPhysician Assistant
Experience1 Years
Location1 Campus Dr, Allendale, Michigan
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:
  • Natalie Lorraine Siwula graduated from nursing school in 2025
  NPI Data:
  • NPI Number: 1487470456
  • Provider Enumeration Date: 11/25/2024
  • Last Update Date: 11/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0941781611
  • Enrollment ID: I20260221000141

Medical Identifiers

Medical identifiers for Natalie Lorraine Siwula such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487470456NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant (* (Not Available))Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Health Hackley CampusMuskegon, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Iha Health Services Corporation24663514401142

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. Natalie Lorraine Siwula 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
Natalie Lorraine Siwula, PA
1 Campus Dr,
Allendale, MI 49401-9403

Ph: (616) 331-5700
Natalie Lorraine Siwula, PA
1 Campus Dr,
Allendale, MI 49401-9403

Ph: (616) 331-5700

Reviews and Comments


Physician Assistant Nurses in Allendale, MI

Lauren Wunderlich Vanhouten, PA-C
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Phone: 616-391-2800    
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Carl E Piersma, P.A.-C.
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Elizabeth K Fey, PA-C
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Phone: 616-252-3900    Fax: 616-252-3920
Nadia Chau,
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Medicare: Not Enrolled in Medicare
Practice Location: 1 Campus Dr., 2015 James H. Zumberge Hall, Allendale, MI 49401
Phone: 616-331-5700    
Kaitlin Michelle Dennis, PA-C
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Medicare: Accepting Medicare Assignments
Practice Location: 4868-2 Lake Michigan Dr, Allendale, MI 49401
Phone: 616-391-2800    
Tavin Danielle Fiser, PA
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Medicare: Not Enrolled in Medicare
Practice Location: 1 Campus Dr, 2015 James H. Zumberge Hall, Allendale, MI 49401
Phone: 616-331-5700    Fax: 616-331-5999

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.