MERRY BESTARD MS, RD
NPI 1144112889
Dietitian, Registered in Fairfield, CA

Active since July 17, 2025Accepts Medicare Assignment
2470 HILBORN RD, FAIRFIELD, CA 94534(707) 646-5500 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Merry Bestard Ms, Rd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERRY BESTARD MS, RD (NPI 1144112889) is an individual dietitian, registered in Fairfield, California, licensed in California (86243074) and active in the NPI registry since July 2025. She maintains a secondary practice location in Fairfield and is a graduate of Other (2020).

NPPES Registry Identity

NPI1144112889
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMERRY BESTARDCredential: MS, RD
Location Address2470 HILBORN RDFairfield, CA 94534-1100
Mailing Address473 Cross StNapa, CA 94559-3335
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 17, 2025
NPPES CertifiedJuly 3, 2025
✔ NPI 1144112889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in CA · 86243074
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
2470 HILBORN RD, Fairfield, CA 94534

Secondary Practice Location 1

Location 14520 Business Center Drive, #200Fairfield, CA 94534 · Phone (707) 646-5500

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Merry Bestard Ms, Rd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385134873
PECOS Enrollment IDI20251104001133

Medicare Billing Reassignments

2

Medicare enrollment records show Merry Bestard reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Addiction Medicine
1860 PENNSYLVANIA AVE STE 230
Fairfield, CA 94533
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group
Internal Medicine
4500 BUSINESS CENTER DR
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 225 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94534 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.02 – $191.95
Typical copayment $0.00 (range $16.25 – $47.98)
Most-billed visit code NA
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Primary Care)
2470 HILBORN RD
FAIRFIELD, CA 94534
Ophthalmology
2470 HILBORN RD, SUITE 150
FAIRFIELD, CA 94534

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Merry Bestard's NPI number?

The NPI number for Merry Bestard is 1144112889. It was assigned to this individual provider in the NPPES registry on July 17, 2025.

Where is Merry Bestard located?

Merry Bestard practices at 2470 Hilborn Rd, Fairfield, CA 94534. The listed phone number is (707) 646-5500.

What is Merry Bestard's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Merry Bestard enrolled in Medicare?

Yes. Merry Bestard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Merry Bestard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Merry Bestard reassigns Medicare benefits to 2 organizations: Northbay Healthcare Group (Fairfield, CA) and Northbay Health Medical Foundation (Fairfield, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Merry Bestard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Merry Bestard was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.