KOOROSH HOSN, D.D.S.
KOOROSH HOSN, D.D.S. is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1003275694, based in Laguna Hills, CA. It is classified under Dentist.
Getting there
Here is what surrounds this office in Laguna Hills, based on OpenStreetMap data collected Sep 15, 2026. Parking is available about 0.50 mi away at Laguna Hills Transportation Center. There is EV charging 365 ft from the office — useful if you are driving in from out of town. The nearest transit stop is 792 ft away, served by El Toro-Paseo De Valencia. A pharmacy sits 0.39 mi from the entrance (CVS Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.45 mi away.
Getting here and what is nearby
Restaurant Chick-fil-A 265 ft ~2 min
24011 El Toro Road, Laguna Hills 92653
"Mo-Sa 06:30-22:00; Su off"
Restaurant BJ's 313 ft ~2 min
EV charging 365 ft ~2 min
Hotel Laguna Hills Lodge 422 ft ~2 min
Transit El Toro-Paseo De Valencia 488 ft ~2 min
Pharmacy Walgreens 495 ft ~2 min
24081 El Toro Road, Laguna Hills 92653
Mo-Fr 09:00-21:00; Sa 10:00-18:00; Su 10:00-18:00
Convenience Circle K 535 ft ~3 min
Gas station 76 545 ft ~3 min
Convenience ExtraMile 588 ft ~3 min
Gas station Chevron 634 ft ~3 min
Restaurant In-N-Out Burger 699 ft ~3 min
24001 Avenida de la Carlota, Laguna Hills 92653
"Su-Th 10:30-25:00; Fr-Sa 10:30-25:30"
Transit Paseo De Valencia-El Toro 739 ft ~3 min
Coffee Starbucks 765 ft ~3 min
24100 El Toro Road, Laguna Woods 92637
Mo-Su 05:30-18:30
Transit El Toro-Paseo De Valencia 792 ft ~4 min
Pharmacy CVS Pharmacy 0.21 mi ~5 min
Grocery Mother's Market 0.21 mi ~5 min
Mo-Su 07:00-21:00
Parking 0.22 mi ~5 min
23961 Calle de la Magdalena, Laguna Hills 92653
Convenience Chevron 0.26 mi ~6 min
Gas station Chevron 0.27 mi ~6 min
Parking Employee Parking 0.32 mi ~7 min
24001 Calle de la Magdalena, Laguna Hills 92653
Grocery Sprouts Farmers Market 0.38 mi ~8 min
24332 Rockfield Boulevard, Lake Forest 92630
Mo-Su 07:00-22:00
Pharmacy CVS Pharmacy 0.39 mi ~8 min
24372 Rockfield Boulevard, Lake Forest 92630
Mo-Fr 09:00-13:30,14:00-20:00; Sa 10:00-13:30,14:00-18:00; Su 11:00-13:30, 14:00-17:00
Grocery Island Pacific Seafood Market 0.42 mi ~9 min
23811 El Toro Road, Lake Forest 92630
Mo-Su 08:00-21:00
Coffee Krak Boba 0.45 mi ~9 min
23791 El Toro Road, Lake Forest 92630
Mo-Su 11:00-22:00
Parking Laguna Hills Transportation Center 0.50 mi ~11 min
24282 Calle de Los Caballeros, Laguna Hills 92653
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 41089 | CA | Dentist primary |
This provider holds licence 41089 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 Dentist covers
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist. NUCC Health Care Provider Taxonomy, code 122300000X
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 | 1003275694 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Feb 11, 2016 |
| Last updated | Feb 11, 2016 |
| Status | Active |
| Practice address |
24031 EL TORO RD STE 230 Laguna Hills, CA 92653 (949) 859-0668 |
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 | 0 | 0 | 3 | 2 | 7 | 5 | 6 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 4 | 7 | 1 | 6 | 9 |
Sum = 56 · next multiple of 10 = 60 · 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.