Alexander Hamilton
Alexander Hamilton is a provider specialising in Student in an Organized Health Care Education/Training Program in Fairfield, CA, registered under NPI 1003331489. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
Here is what surrounds this office in Fairfield, based on OpenStreetMap data collected Sep 9, 2026. Parking is available about 0.52 mi away at Main St Park And Ride. The nearest transit stop is 995 ft away, served by Fairfield Civic Center. If you arrive early, there is a coffee shop 0.25 mi away.
Getting here and what is nearby
Transit Webster St and Kentucky St 202 ft ~1 min
Restaurant Joe’s Buffet 342 ft ~2 min
834 Texas Street, Fairfield 94533
Restaurant Koong Jyun Korean BBQ 357 ft ~2 min
Transit Kentucky St and Webster St 489 ft ~2 min
Restaurant Three Restaurant 542 ft ~3 min
Parking 619 ft ~3 min
Parking 634 ft ~3 min
Transit Fairfield Civic Center 995 ft ~4 min
Coffee Cafeteria 0.25 mi ~6 min
Gas station Chevron 0.34 mi ~7 min
Hotel Econo Lodge 0.49 mi ~10 min
Parking Main St Park And Ride 0.52 mi ~11 min
Main Street At Sr 12, Suisun City 94585
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
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 Student in an Organized Health Care Education/Training Program covers
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care. NUCC Health Care Provider Taxonomy, code 390200000X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 390200000X | Student in an Organized Health Care Education/Training Program | — | — | primary |
| 172V00000X | Community Health Worker | — | — |
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-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003331489 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 7, 2017 |
| Last updated | Sep 13, 2021 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Practice address |
801 EMPIRE ST Fairfield, CA 94533 (707) 425-5744 Fax (707) 425-5162 |
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 | 3 | 3 | 1 | 4 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 3 | 2 | 4 | 7 |
Sum = 51 · next multiple of 10 = 60 · check digit = 9 · actual last digit = 9
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.