Active NPI
Vijay S. Tonk, PHD,FACMG
- Clinical Cytogenetics Physician
- Lubbock, TX
National Provider Identifier
1184695983
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Cytogenetics Physician
- License
- 2166411
- Practice address
- 3601 4TH St
Lubbock, TX 79430-0002 - Phone
- (806) 743-4243
- Fax
- (806) 743-1122
- NPI assigned
- Jan 30, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Cytogenetics Physician | 207SC0300X | 2166411 | TX | Primary |
Addresses
Primary practice location
3601 4TH St
Lubbock, TX 79430-0002
Mailing address
PO Box 5865
Lubbock, TX 79408-5865
Phone (806) 743-2898
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1186598 | Other | TX | CAP CERTIFCTN/ACCERDATION |
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 |
|---|---|---|---|
| 2166411 | TX | MD | Clinical Cytogenetics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1138579200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1184695983",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 5865",
"city": "LUBBOCK",
"state": "TX",
"postal_code": "794085865",
"telephone_number": "806-743-2898",
"fax_number": "806-743-2787"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3601 4TH ST",
"city": "LUBBOCK",
"state": "TX",
"postal_code": "794300002",
"telephone_number": "806-743-4243",
"fax_number": "806-743-1122"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TONK",
"first_name": "VIJAY",
"middle_name": "S.",
"credential": "PHD,FACMG",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-30",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207SC0300X",
"taxonomy_group": "",
"desc": "Medical Genetics, Clinical Cytogenetics",
"state": "TX",
"license": "2166411",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CAP CERTIFCTN/ACCERDATION",
"identifier": "1186598",
"state": "TX"
}
],
"endpoints": [],
"other_names": []
}Other providers in Lubbock, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.