Active NPI
David Bertram Klain, MD
- Neonatal-Perinatal Medicine Physician
- Modesto, CA
National Provider Identifier
1427015965
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal-Perinatal Medicine Physician
- License
- C29171
- Practice address
- 1441 Florida Ave
Modesto, CA 95350-4405 - Phone
- (209) 576-3713
- Fax
- (209) 576-3592
- NPI assigned
- Apr 27, 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 |
|---|---|---|---|---|
| Neonatal-Perinatal Medicine Physician | 2080N0001X | C29171 | CA | Primary |
Addresses
Primary practice location
1441 Florida Ave
Modesto, CA 95350-4405
Mailing address
1441 Florida Ave
P.O. Box 4138
Modesto, CA 95350-4405
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 Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C29171 | CA | MD | Neonatal-Perinatal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146096000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1427015965",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1441 FLORIDA AVE",
"address_2": "P.O. BOX 4138",
"city": "MODESTO",
"state": "CA",
"postal_code": "953504405"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1441 FLORIDA AVE",
"city": "MODESTO",
"state": "CA",
"postal_code": "953504405",
"telephone_number": "209-576-3713",
"fax_number": "209-576-3592"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KLAIN",
"first_name": "DAVID",
"middle_name": "BERTRAM",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-27",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "CA",
"license": "C29171",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Modesto, CA
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.