Tessa Tsai
Tessa Tsai is an Occupational Therapist in Roseville, CA, registered under NPI 1003451022.
Getting there
Here is what surrounds this office in Roseville, based on OpenStreetMap data collected Sep 27, 2026. Parking is available about 0.30 mi away. There is EV charging 0.42 mi from the office (Tesla Supercharger) — useful if you are driving in from out of town. The nearest transit stop is 0.29 mi away, served by Harding before Estates. If you arrive early, there is a coffee shop 0.48 mi away.
Getting here and what is nearby
Transit N. Sunrise Past Douglas 177 ft ~1 min
Hotel Best Western Plus Orchid Hotel & Suites 375 ft ~2 min
Parking 568 ft ~3 min
Restaurant IHOP 674 ft ~3 min
100 North Sunrise Avenue, Roseville 95661
Hotel Hampton Inn & Suites Roseville 800 ft ~4 min
110 North Sunrise Avenue, Roseville
Restaurant Carl's Jr. 787 ft ~3 min
Restaurant California Roll & Grill 984 ft ~4 min
1725 Santa Clara Drive, Roseville 95661
Mo-Sa 11:00-19:00
Parking 0.21 mi ~5 min
Hotel Best Western Roseville Inn 0.25 mi ~6 min
Transit Harding past Estates 0.27 mi ~6 min
Transit Harding before Estates 0.29 mi ~6 min
Convenience 7-Eleven 0.29 mi ~6 min
Gas station Chevron 0.29 mi ~6 min
Convenience Rose Food & Liquor 0.30 mi ~7 min
215 Harding Boulevard
Parking 0.30 mi ~7 min
Grocery Oriental Market 0.30 mi ~7 min
203 Harding Boulevard, Roseville 95678
Grocery Smart & Final Extra! 0.40 mi ~9 min
1159 Roseville Square, Roseville 95678
EV charging Tesla Supercharger 0.42 mi ~9 min
Convenience ampm 0.45 mi ~10 min
1139 Douglas Boulevard, Roseville 95678
Gas station Arco 0.45 mi ~10 min
1139 Douglas Boulevard, Roseville 95678
Coffee Starbucks 0.48 mi ~10 min
Grocery Trader Joe's 0.48 mi ~10 min
1117 Roseville Square, Roseville 95678
Mo-Su 08:00-21:00
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 |
|---|---|---|
| 19037 | CA | Occupational Therapist primary |
This provider holds licence 19037 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 Occupational Therapist covers
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life. NUCC Health Care Provider Taxonomy, code 225X00000X
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 | 1003451022 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Nov 13, 2019 |
| Last updated | Nov 13, 2019 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Practice address |
151 N SUNRISE AVE STE 1105 Roseville, CA 95661 (916) 771-8255 Fax (916) 771-8211 |
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 | 4 | 5 | 1 | 0 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 8 | 5 | 2 | 0 | 4 |
Sum = 48 · next multiple of 10 = 50 · check digit = 2 · actual last digit = 2
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.