Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Natalie Lorraine Siwula, PA

Individual provider Physician Assistant · NPI 1487470456

Natalie Lorraine Siwula, PA is a Physician Assistant in Allendale, Michigan. Qualified in 2025, 1 year ago. Practices with Iha Health Services Corporation, a 1,146-clinician group and accepts Medicare assignment.

Years since qualifying
1
In the registry since
2024
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

1 Campus Dr
Allendale, MI 49401-9403
Phone: (616) 331-5700
Fax: (626) 331-5999
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1487470456
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedNovember 25, 2024
Last updated in NPPESJuly 26, 2026
Certification dateJuly 26, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Iha Health Services Corporation — 1146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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