Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Cassandra Grace Orr, PA-C
Physician Assistant in Muskegon, MI · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477083665
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Registry record
Entity type Individual (Type 1)
Name Cassandra Grace Orr
Credential PA-C
Sex Female
Practice address 1500 E Sherman Blvd, Muskegon, MI, 49444
Phone (616) 710-4090
Enumeration date Jun 19, 2017
Last updated in NPPES Apr 30, 2024
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601008261 (MI) Primary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 10004365A (IN) Secondary
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Cassandra Orr?
Cassandra Orr is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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 2024-04-30.