Active NPI
Gregory Butler, MD
- Pediatrics Physician
- San Diego, CA
National Provider Identifier
1659335230
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- A79316
- Practice address
- 34800 Bob Wilson Dr
San Diego, CA 92134-1098 - Phone
- (619) 532-8225
- NPI assigned
- Apr 12, 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | A79316 | CA | Primary |
Addresses
Primary practice location
34800 Bob Wilson Dr
San Diego, CA 92134-1098
Mailing address
550 Pope Ave
Fort Leavenworth, KS 66027-2332
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- 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 |
|---|---|---|---|---|
| I20180122001600 | CA | Order and Referring Only - Pediatric Medicine | 3072512706 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A79316 | CA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1144800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774483200000",
"number": "1659335230",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "550 POPE AVE",
"city": "FORT LEAVENWORTH",
"state": "KS",
"postal_code": "660272332"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "34800 BOB WILSON DR",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921341098",
"telephone_number": "619-532-8225"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BUTLER",
"first_name": "GREGORY",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-12",
"last_updated": "2026-03-26",
"certification_date": "2026-03-26",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "A79316",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Diego, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.