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

Gary P Barth, MD

Individual provider Ophthalmology Physician · NPI 1992783237

Gary P Barth, MD is an Ophthalmology in Healdsburg, California. Graduated from University of Southern California Keck School of Medicine in 1977, 49 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Trained at
University of Southern California Keck School of Medicine
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

640 Healdsburg Ave
Healdsburg, CA 95448-3609
Phone: (707) 955-1120
Fax: (707) 955-1135
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G34382 (CA)

Record details

NPI number1992783237
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 6, 2006
Last updated in NPPESOctober 14, 2020
Certification dateOctober 14, 2020
Mailing address640 Healdsburg Ave, Healdsburg, CA 95448-3609

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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