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

Individual provider Physician Assistant · NPI 1407542442

Gaia Mohr-Tonachini, MMSC is a Physician Assistant in Walnut Creek, California. Graduated from Yale University School of Medicine in 2022, 4 years ago. Practices with Yale University, a 2,618-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
4
Trained at
Yale University School of Medicine
Licensed in
CA
In the registry since
2023
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Practice location Address checks out

323 Lennon Ln
Walnut Creek, CA 94598-2497
Phone: (925) 430-5335
Fax: (925) 430-5446
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122 — (925) 939-3000

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA67404 (CA)

Record details

NPI number1407542442
Entity typeIndividual (Type 1)
GenderFemale
Credentials MMSC
Sole proprietorNo
NPI enumeratedApril 13, 2023
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in Walnut Creek