Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gemma Lyon
Specialist in Middletown, NY · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811540990
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Registry record
Entity type Individual (Type 1)
Name Gemma Lyon
Sex Female
Practice address 75 Crystal Run Rd Ste 201, Middletown, NY, 10941
Phone (845) 692-4391
Enumeration date Jul 18, 2019
Last updated in NPPES Jul 18, 2019
Taxonomy & licenses
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 Gemma Lyon?
The National Provider Identifier (NPI) for Gemma Lyon is 1811540990, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gemma Lyon practice?
The practice location on file with NPPES is in Middletown, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jennifer Coyle Specialist · Middletown, NY NPI 1346502499 Danielle Pinto Speech-Language Pathologist · Middletown, NY NPI 1861737413 Maryann Massillio Nutritionist · Middletown, NY NPI 1750874079 Jean Marie Lusignan Specialist · Middletown, NY NPI 1174092316 Beth Plotkin Occupational Therapist · Middletown, NY NPI 1659843472 Hanna Bauersachs Occupational Therapist · Middletown, NY NPI 1114481389 Christina Slaughterbeck Specialist · Middletown, NY NPI 1750846838 Heather Theysohn Hosseini Occupational Therapist · Middletown, NY NPI 1790241081
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-18.