Active NPI
David Paul Demasters, DO
- Rheumatology Physician
- Biloxi, MS
National Provider Identifier
1043772221
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rheumatology Physician
- License
- 0102-206301
- Practice address
- 301 Fisher St
Biloxi, MS 39534-2508 - Phone
- (228) 376-3629
- NPI assigned
- Apr 4, 2019
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 0102206301 | VA | |
| Rheumatology Physician | 207RR0500X | 0102-206301 | VA | Primary |
Addresses
Primary practice location
301 Fisher St
Biloxi, MS 39534-2508
Mailing address
301 Fisher St
Biloxi, MS 39534-2508
Phone (228) 376-3629
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)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0102206301 | VA | MD | Internal Medicine Physician |
| 0102-206301 | VA | MD | Rheumatology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1554336000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773964800000",
"number": "1043772221",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "301 FISHER ST",
"city": "BILOXI",
"state": "MS",
"postal_code": "395342508",
"telephone_number": "228-376-3629",
"fax_number": "228-376-0581"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "301 FISHER ST",
"city": "BILOXI",
"state": "MS",
"postal_code": "395342508",
"telephone_number": "228-376-3629"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DEMASTERS",
"first_name": "DAVID",
"middle_name": "PAUL",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-04-04",
"last_updated": "2026-03-20",
"certification_date": "2026-03-20",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "VA",
"license": "0102206301",
"primary": false
},
{
"code": "207RR0500X",
"taxonomy_group": "",
"desc": "Internal Medicine, Rheumatology",
"state": "VA",
"license": "0102-206301",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Biloxi, MS
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.