Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Mary Ann Hill, CRNP
Nurse Practitioner in Darby, PA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821349333
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ms. Mary Ann Hill
Credential CRNP
Sex Female
Practice address 1501 Lansdowne Ave Ste 3001, Darby, PA, 19023
Phone (610) 586-4100
Enumeration date Sep 24, 2012
Last updated in NPPES Jul 26, 2021
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP011904 (PA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1029809700001 | Medicaid | PA | - |
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
Where does Mary Ann Hill practice?
The practice location on file with NPPES is in Darby, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mary Ann Hill?
The National Provider Identifier (NPI) for Mary Ann Hill is 1821349333, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-26.