Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Elizabeth Agulo, AU.D.
Audiologist in Crystal Lake, IL · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225581408
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Registry record
Entity type Individual (Type 1)
Name Mary Elizabeth Agulo
Credential AU.D.
Sex Female
Practice address 875 South Route 31, Crystal Lake, IL, 60014
Phone (779) 220-5500
Fax (779) 220-5571
Enumeration date Jul 25, 2016
Last updated in NPPES Nov 27, 2023
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 147.001604 (IL) Primary
AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders.
About the AUD credential
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 Agulo?
The National Provider Identifier (NPI) for Mary Agulo is 1225581408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Agulo practice?
The practice location on file with NPPES is in Crystal Lake, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Charles Andrews Anatomic Pathology Physician · Crystal Lake, IL NPI 1518936228 Julia Leblanc Gastroenterology Physician · Crystal Lake, IL NPI 1467416990 John Gaskill Emergency Medicine Physician · Crystal Lake, IL NPI 1316058043 Vasanth Kattalai Kailasam Pain Medicine (Psychiatry & Neurology) Physician · Crystal Lake, IL NPI 1275882730 Hyojin Jeon Family Medicine Physician · Crystal Lake, IL NPI 1578190054
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-27.