Active NPI
Merry Bestard, MS, RD
- Registered Dietitian
- Fairfield, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 86243074
- Practice address
- 2470 Hilborn Rd
Fairfield, CA 94534-1100 - Phone
- (707) 646-5500
- NPI assigned
- Jul 17, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 86243074 | CA | Primary |
Addresses
Primary practice location
2470 Hilborn Rd
Fairfield, CA 94534-1100
Mailing address
473 Cross St
Napa, CA 94559-3335
Other practice location 1
4520 Business Center Drive
#200
Fairfield, CA 94534
Phone (707) 646-5500
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Registered Dietitian Or Nutrition Professional
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2470 Hilborn Rd
Suite 100And200
Fairfield, CA 94534-1100
Phone (707) 646-5500
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 86243074 | CA | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northbay Healthcare Group | Current | Accepting new patients | |
| Northbay Healthcare Group | Current | Accepting new patients | |
| Northbay Health Medical Foundation | Current | Accepting new patients |
Locations
2470 Hilborn Rd
Fairfield, CA 94534
Phone (707) 446-7676
1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600
4520 Business Center Dr
Ste 200
Fairfield, CA 94534
Phone (707) 646-3500
4520 Business Center Dr
#200
Fairfield, CA 94534
2470 Hilborn Rd
Ste 100
Fairfield, CA 94534
Phone (707) 646-4600
2470 Hilborn Rd
Ste 110
Fairfield, CA 94534
Phone (707) 646-4699
1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000
1010 Nut Tree Rd
Ste 100B
Vacaville, CA 95687
Phone (707) 646-7999
101 Main St
Winters, CA 95694
Phone (530) 795-4123
Organizations & group practices 3
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.
-
dba NorthBay Health Medical Network
- Internal Medicine Physician
- Fairfield, CA
- NPI 1760283527
-
dba dba NorthBay Medical Center
- General Acute Care Hospital
- Fairfield, CA
- NPI 1821147786
-
dba NorthBay VacaValley Hospital
- Multi-Specialty Clinic/Center
- Vacaville, CA
- NPI 1760534713
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1752710400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1752710400000",
"number": "1144112889",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "473 CROSS ST",
"city": "NAPA",
"state": "CA",
"postal_code": "945593335"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2470 HILBORN RD",
"city": "FAIRFIELD",
"state": "CA",
"postal_code": "945341100",
"telephone_number": "707-646-5500"
}
],
"practiceLocations": [
{
"address_1": "4520 Business Center Drive",
"address_2": "#200",
"address_purpose": "LOCATION",
"city": "Fairfield",
"state": "CA",
"postal_code": "94534",
"country_code": "US",
"telephone_number": "707-646-5500",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BESTARD",
"first_name": "MERRY",
"credential": "MS, RD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-07-17",
"last_updated": "2025-07-17",
"certification_date": "2025-07-03",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "CA",
"license": "86243074",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fairfield, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.