Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

David H Lyon a Professional Corporation

Organization Internal Medicine Physician · NPI 1649675778

David H Lyon a Professional Corporation is an Internal Medicine Physician in Modesto, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014

Practice location Address checks out

4701 Sisk Rd Ste 103
Modesto, CA 95356-9320
Phone: (888) 582-0814
Fax: (209) 526-6841
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 00A431800 (CA)

Record details

NPI number1649675778
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Julie Smith — Supervisor · (209) 552-7551
Other names David H Lyon Md
NPI enumeratedOctober 31, 2014
Last updated in NPPESDecember 23, 2014
Mailing addressPo Box 579120, Modesto, CA 95357-9120

Other providers in Modesto