Active NPI
Gerald Stanley Zavorsky, PHD, RRT
- Registered Respiratory Therapist
- Davis, CA
National Provider Identifier
1962386169
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Respiratory Therapist
- License
- 41216
- Practice address
- 1275 Medical Sciences Drive
RM 4327
Davis, CA 95616 - Phone
- (530) 754-6016
- NPI assigned
- Aug 1, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 8
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pulmonary Function Technologist Registered Respiratory Therapist | 2279P1006X | 194.011635 | IL | |
| Chemistry Pathology Specialist/Technologist | 246QC1000X | 881256-TGSS-0 | NV | |
| Registered Respiratory Therapist | 227900000X | 41216 | CA | Primary |
| Clinical Exercise Physiologist | 224Y00000X | 307131 | LA | |
| Registered Respiratory Therapist | 227900000X | RC4113 | NV | |
| Registered Respiratory Therapist | 227900000X | 194.011635 | IL | |
| Pulmonary Function Technologist Registered Respiratory Therapist | 2279P1006X | 41216 | CA | |
| Pulmonary Function Technologist Registered Respiratory Therapist | 2279P1006X | RC4113 | NV |
Addresses
Primary practice location
1275 Medical Sciences Drive
RM 4327
Davis, CA 95616
Mailing address
4461 G St
Sacramento, CA 95819-3139
Phone (314) 226-0400
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 41216 | CA | MD | Marriage & Family Therapist |
| 307131 | LA | MD | Clinical Exercise Physiologist |
| 194.011635 | IL | MD | Pulmonary Function Technologist Registered Respiratory Therapist |
| RC4113 | NV | MD | Pulmonary Function Technologist Registered Respiratory Therapist |
| 881256-TGSS-0 | NV | MD | Chemistry Pathology Specialist/Technologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1754006400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754006400000",
"number": "1962386169",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4461 G ST",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958193139",
"telephone_number": "314-226-0400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1275 MEDICAL SCIENCES DRIVE",
"address_2": "RM 4327",
"city": "DAVIS",
"state": "CA",
"postal_code": "95616",
"telephone_number": "530-754-6016"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZAVORSKY",
"first_name": "GERALD",
"middle_name": "STANLEY",
"name_prefix": "Dr.",
"credential": "PHD, RRT",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-08-01",
"last_updated": "2025-08-01",
"certification_date": "2025-07-27",
"status": "A"
},
"taxonomies": [
{
"code": "2279P1006X",
"taxonomy_group": "",
"desc": "Respiratory Therapist, Registered, Pulmonary Function Technologist",
"state": "IL",
"license": "194.011635",
"primary": false
},
{
"code": "246QC1000X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Pathology, Chemistry",
"state": "NV",
"license": "881256-TGSS-0",
"primary": false
},
{
"code": "227900000X",
"taxonomy_group": "",
"desc": "Respiratory Therapist, Registered",
"state": "CA",
"license": "41216",
"primary": true
},
{
"code": "224Y00000X",
"taxonomy_group": "",
"desc": "Clinical Exercise Physiologist",
"state": "LA",
"license": "307131",
"primary": false
},
{
"code": "227900000X",
"taxonomy_group": "",
"desc": "Respiratory Therapist, Registered",
"state": "NV",
"license": "RC4113",
"primary": false
},
{
"code": "227900000X",
"taxonomy_group": "",
"desc": "Respiratory Therapist, Registered",
"state": "IL",
"license": "194.011635",
"primary": false
},
{
"code": "2279P1006X",
"taxonomy_group": "",
"desc": "Respiratory Therapist, Registered, Pulmonary Function Technologist",
"state": "CA",
"license": "41216",
"primary": false
},
{
"code": "2279P1006X",
"taxonomy_group": "",
"desc": "Respiratory Therapist, Registered, Pulmonary Function Technologist",
"state": "NV",
"license": "RC4113",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Davis, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.