Active NPI
John Albert Davidson, MD
- Internal Medicine Physician
- Chesterfield, MO
National Provider Identifier
1306833801
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- R8881
- Practice address
- 232 S Woods Mill Rd
Division of Hyperbaric Medicine & Problem Wound MGMT
Chesterfield, MO 63017-3417 - Phone
- (314) 205-6818
- Fax
- (314) 205-6770
- NPI assigned
- Sep 30, 2005
- 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 | R8881 | MO | Primary |
| Undersea and Hyperbaric Medicine (Preventive Medicine) Physician | 2083P0011X | R8881 | MO |
Addresses
Primary practice location
232 S Woods Mill Rd
Division of Hyperbaric Medicine & Problem Wound MGMT
Chesterfield, MO 63017-3417
Mailing address
PO Box 929
Chesterfield, MO 63006-0929
Phone (314) 205-6818
Other identifiers 7
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 35170 | Other | MO | GROUP HEALTH PLAN |
| 4409 | Other | MO | CARE MGMT RESOURCES |
| 7600560 | Other | MO | UNITED HEALTHCARE MIDWEST |
| 7992 | Other | MO | BLUE SHIELD MO |
| A09884 | Other | MO | MERCY HEALTH PLAN |
| 105889 | Other | MO | HEALTHLINK PPO |
| 35583 | Other | MO | BLUE SHIELD MO |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20100226000817 | MO | Practitioner - Internal Medicine | 1052456209 | Practice locations: Saint Louis, MO |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128038400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1306833801",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 929",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630060929",
"telephone_number": "314-205-6818",
"fax_number": "314-205-6770"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "232 S WOODS MILL RD",
"address_2": "DIVISION OF HYPERBARIC MEDICINE & PROBLEM WOUND MGMT",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630173417",
"telephone_number": "314-205-6818",
"fax_number": "314-205-6770"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DAVIDSON",
"first_name": "JOHN",
"middle_name": "ALBERT",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-30",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MO",
"license": "R8881",
"primary": true
},
{
"code": "2083P0011X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Undersea and Hyperbaric Medicine",
"state": "MO",
"license": "R8881",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "GROUP HEALTH PLAN",
"identifier": "35170",
"state": "MO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CARE MGMT RESOURCES",
"identifier": "4409",
"state": "MO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UNITED HEALTHCARE MIDWEST",
"identifier": "7600560",
"state": "MO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD MO",
"identifier": "7992",
"state": "MO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MERCY HEALTH PLAN",
"identifier": "A09884",
"state": "MO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTHLINK PPO",
"identifier": "105889",
"state": "MO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD MO",
"identifier": "35583",
"state": "MO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Chesterfield, MO
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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.