Active NPI
Parker Nelson, RD
- Registered Dietitian
- Walnut Creek, CA
National Provider Identifier
1184406795
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- Practice address
- 2562 Walnut Blvd Apt 94
Walnut Creek, CA 94596-4250 - Phone
- (925) 324-1785
- NPI assigned
- Oct 18, 2023
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Rehabilitation Practitioner | 225400000X | |||
| Registered Dietitian | 133V00000X | Primary |
Addresses
Primary practice location
2562 Walnut Blvd Apt 94
Walnut Creek, CA 94596-4250
Mailing address
2562 Walnut Blvd Apt 94
Walnut Creek, CA 94596-4250
Phone (925) 324-1785
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Fay Nutrition | Dietitian, Registered | Past | Accepting new patients |
| Hohl Nutrition Group | Dietitian, Registered | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1697587200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784851200000",
"number": "1184406795",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2562 WALNUT BLVD APT 94",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945964250",
"telephone_number": "925-324-1785"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2562 WALNUT BLVD APT 94",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945964250",
"telephone_number": "925-324-1785"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NELSON",
"first_name": "PARKER",
"credential": "RD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2023-10-18",
"last_updated": "2026-07-24",
"certification_date": "2026-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "225400000X",
"taxonomy_group": "",
"desc": "Rehabilitation Practitioner",
"state": null,
"license": null,
"primary": false
},
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Walnut Creek, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 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.