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

Dr. Samuel Alexander Mainieri, OD

Individual provider Optometrist · NPI 1841975943

Dr. Samuel Alexander Mainieri, OD is an Optometry in Berkeley, California. Graduated from University of California - School of Optometry in 2023, 3 years ago. Practices with Regents of the University of California at Berkeley, a 58-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Trained at
University of California - School of Optometry
Licensed in
CA
In the registry since
2023
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

200 Minor Ln
Berkeley, CA 94720-0001
Phone: (510) 642-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT35518-TLG (CA)

Record details

NPI number1841975943
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 16, 2023
Last updated in NPPESJune 16, 2023
Certification dateJune 16, 2023

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 2023 (3 years in practice)
Group practice Regents Of The University Of California At Berkeley — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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