Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary E Helmus, PA
Physician Assistant in Muskegon, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841204054
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Registry record
Entity type Individual (Type 1)
Name Mary E Helmus
Credential PA
Sex Female
Practice address 1500 E Sherman Blvd, Muskegon, MI, 49444
Phone (231) 672-3883
Enumeration date Jul 27, 2006
Last updated in NPPES May 21, 2014
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601002772 (MI) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| N34010002 | Other | MI | PTAN NUMBER |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Mary Helmus?
The National Provider Identifier (NPI) for Mary Helmus is 1841204054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Helmus practice?
The practice location on file with NPPES is in Muskegon, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → James Bleicher Hospitalist Physician · Muskegon, MI NPI 1740282904 John Swirczek Anesthesiology Physician · Muskegon, MI NPI 1669461372 Renata Nytko Physician Assistant · Muskegon, MI NPI 1285615443 Steven Brinn Anesthesiology Physician · Muskegon, MI NPI 1376529974 Paul Chovaz Anesthesiology Physician · Muskegon, MI NPI 1972589240 Wayne Brenneman Internal Medicine Physician · Muskegon, MI NPI 1346228913 Jennifer Conner Certified Registered Nurse Anesthetist · Muskegon, MI NPI 1922087436 Peter Cockram Certified Registered Nurse Anesthetist · Muskegon, MI NPI 1457331589
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-21.