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

Mai Ngoc Quintana

Individual provider Optometrist · NPI 1871535617

Mai Ngoc Quintana is registered under Optometry in Mountain View, California. Graduated from Illinois College of Optometry at Chicago in 2004, 22 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Trained at
Illinois College of Optometry at Chicago
Licensed in
CA
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

419 N Shoreline Blvd
Mountain View, CA 94043-4605
Phone: (650) 967-5789
Fax: (650) 967-4106
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 710 Lawrence Expy Dept 486, Santa Clara, CA 95051-5173 — (408) 554-9830

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 12693TLG (CA)
Optometrist Taxonomy 152W00000X · Licence 12693T (CA)

Record details

NPI number1871535617
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESJanuary 11, 2022

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2004 (22 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $19 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Permanente Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 10941 clinicians in the practice; 12 are shown here.

Other providers in Mountain View