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

Individual provider Internal Medicine Physician · NPI 1538229638

David Hollander Lyon, MD is an Internal Medicine Physician in Modesto, California. Practices as a sole proprietor and works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1100 Kansas Ave Ste B
Modesto, CA 95351-1596
Phone: (209) 579-1151
Fax: (209) 579-9605
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1116 Alice St, Modesto, CA 95350-5905 — (209) 578-3132
  • 1028 Reno Ave, Modesto, CA 95351-1127 — (209) 579-1103

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A43180 (CA)

Record details

NPI number1538229638
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 11, 2006
Last updated in NPPESAugust 30, 2024
Certification dateAugust 30, 2024
Mailing addressPo Box 579478, Modesto, CA 95357-9478

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