NGUYEN QUACH OD A PROFESSIONAL CORPORATION
NGUYEN QUACH OD A PROFESSIONAL CORPORATION is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1558768374, based in Folsom, CA. It is classified under Sports Vision Optometrist.
Getting there
The practice address on file is 1880 PRAIRIE CITY RD STE 130, Folsom, CA 95630. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 13774 | CA | Sports Vision Optometrist primary |
This provider holds licence 13774 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Sports Vision covers
An optometrist who offers services designed to care for unique vision care needs of athletes, which may include one of more of the following services: corrective vision care unique to a specific sporting environment; protective eyewear for the prevention of sports-related injuries; vision enhancement - which may include vision therapy and techniques to improve visual skills specific to the athlete's sport. NUCC Health Care Provider Taxonomy, code 152WS0006X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1558768374 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Nov 21, 2014 |
| Last updated | Feb 2, 2016 |
| Status | Active |
| Practice address |
1880 PRAIRIE CITY RD STE 130 Folsom, CA 95630 (916) 985-7848 Fax (888) 789-5412 |
| Other identifiers |
1558768374
· Other (CA) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 5 | 5 | 8 | 7 | 6 | 8 | 3 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 5 | 1 | 8 | 5 | 6 | 7 | 3 | 5 |
Sum = 66 · next multiple of 10 = 70 · check digit = 4 · actual last digit = 4
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.