Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Grell, PA
Physician Assistant in Madison, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306865654
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Registry record
Entity type Individual (Type 1)
Name Mary Grell
Credential PA
Sex Female
Practice address 5249 E Terrace Dr, Madison, WI, 53718
Phone (608) 222-9777
Enumeration date Jul 18, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 00583 (WI) 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 |
|---|---|---|---|
| 42928300 | Medicaid | WI | - |
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 Grell?
The National Provider Identifier (NPI) for Mary Grell is 1306865654, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Grell practice?
The practice location on file with NPPES is in Madison, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Barbara Strand Pediatrics Physician · Madison, WI NPI 1780679191 Gwenevere Mcintosh Pediatrics Physician · Madison, WI NPI 1487620647 Susan Marten Nurse Practitioner · Madison, WI NPI 1992771844 Michele Martin Optometrist · Madison, WI NPI 1316913460 Camilla Matthews Pediatric Sleep Medicine Physician · Madison, WI NPI 1982672994 Amy Plumb Pediatrics Physician · Madison, WI NPI 1114996113 Ira Segal Family Medicine Physician · Madison, WI NPI 1649239898 Jeanette Everson Family Medicine Physician · Madison, WI NPI 1720047780
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.