Natalie Lorraine Siwula, PA
Physician Assistant · Allendale, MI
Natalie Lorraine Siwula, PA is a physician assistant with a practice address in Allendale, Michigan, and NPI 1487470456, issued on Nov 25, 2024. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Natalie Lorraine Siwula
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1 Campus Dr, Allendale, MI 49401
- Phone
- (616) 331-5700
- Enumerated
- Nov 25, 2024
- Record last updated
- Jul 26, 2026
- Fax
- (626) 331-5999
- Medicare enrollment
- Enrolled (PECOS I20260221000141); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 1 Campus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex Aamodt, ATSStudent in an Organized Health Care Education/Training Program1275071763
- Laylah AliAthletic Trainer1164968210
- Shari Bartz-Smith, PHD, ATC, CSCSAthletic Trainer1396876884
- Erika Bell, BSN, RNStudent in an Organized Health Care Education/Training Program1760262570
- Brian Bossick, PH.D.Counseling Psychologist1093412603
- Ryan ButterfieldPhysician Assistant1952165342
Verify Natalie Lorraine Siwula in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Iha Health Services CorporationGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie Lorraine Siwula among 6,989 physician assistant records in Michigan
Natalie Lorraine Siwula, PA is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 86% of them.
- NPI issued2024 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2025 · median 2017 among the 4,739 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 physician assistant records list a practice address in Allendale
They are 13 of the 214 NPPES records with a practice address in Allendale, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Allendale → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Shona Bedgood, PA-CAllendale, MI 494011093834822
- Ryan ButterfieldAllendale, MI 494011952165342
- Nadia ChauAllendale, MI 494011235024134
- Kaitlin Dennis, PA-CAllendale, MI 494011376050187
- Elizabeth Fey, PA-CAllendale, MI 494011124255963
- Tavin Fiser, PAAllendale, MI 494011417842311
- Brandon McEachernAllendale, MI 494011932058617
- David Perez-Valencia, RT(R) PAAllendale, MI 494011518852417
Common questions
What is Natalie Lorraine Siwula, PA's NPI number?
Natalie Lorraine Siwula, PA's National Provider Identifier (NPI) is 1487470456, issued on Nov 25, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Lorraine Siwula, PA located?
The NPPES record lists a practice address at 1 Campus Dr, Allendale, MI, 49401. Phone: (616) 331-5700. Providers update this record themselves, so call before visiting.
How can I verify Natalie Lorraine Siwula, PA's license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.