ELIZABETH CIUFFINI FAIRFIELD
NPI 1669358164
Dietitian, Registered in Santa Barbara, CA

NPI Status: Active since August 12, 2025

Contact Information

5276 HOLLISTER AVE STE 151
SANTA BARBARA, CA
ZIP 93111
Phone: (805) 964-4640

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  • Organization
  • Dietitian, Registered

About ELIZABETH CIUFFINI FAIRFIELD

This page provides the complete NPI Profile along with additional information for Elizabeth Ciuffini Fairfield, a provider established in Santa Barbara, California operating as a Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1669358164 assigned on August 2025. The practitioner's primary taxonomy code is 133V00000X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Elizabeth Ciuffini Fairfield Mba, Rdn (Owner)

NPI
1669358164
Provider Name
ELIZABETH CIUFFINI FAIRFIELD
Entity Type
Organization
Location Address
5276 HOLLISTER AVE STE 151 SANTA BARBARA, CA 93111
Location Phone
(805) 964-4640
Mailing Address
5276 HOLLISTER AVE STE 151 SANTA BARBARA, CA 93111
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-12-2025
Last Update Date
08-12-2025
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
Taxonomy Description
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ELIZABETH CIUFFINI FAIRFIELD MBA, RDN

Authorized Official Title
OWNER
Authorized Official Phone
(805) 964-4640

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1669358164, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 3 → 6 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 2 + 9 + 6 + 5 + 1 + 6 + 1 + 1 + 2 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1669358164.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669358164, enumerated as an "organization" on August 12, 2025.

The provider is located at 5276 HOLLISTER AVE STE 151 SANTA BARBARA, CA 93111 and the phone number is (805) 964-4640.

Dietitian, Registered with taxonomy code 133V00000X.