HEATHER LYN GARZA M.S., R.D.
NPI 1972739639
Dietitian, Registered in Clackamas, OR

NPI Status: Active since June 08, 2009

Contact Information

9900 SE SUNNYSIDE RD
CLACKAMAS, OR
ZIP 97015
Phone: (800) 813-2000

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  • Individual
  • Female
  • Dietitian, Registered

About HEATHER GARZA

This page provides the complete NPI Profile along with additional information for Heather Garza, a provider established in Clackamas, Oregon with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1972739639 assigned on June 2009. The practitioner's primary taxonomy code is 133V00000X with license number 10194514 (OR). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1972739639
Provider Name
HEATHER LYN GARZA M.S., R.D.
Gender
Female
Entity Type
Individual
Location Address
9900 SE SUNNYSIDE RD CLACKAMAS, OR 97015
Location Phone
(800) 813-2000
Mailing Address
500 NE MULTNOMAH ST STE 100 PORTLAND, OR 97232
Is Sole Proprietor?
Yes
Enumeration Date
06-08-2009
Last Update Date
03-20-2026
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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
License No.
10194514
License State
OR
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

928156 (CA)

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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 1972739639, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
Check
9
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 7 → 14 → 5 7 → 14 → 5 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 4 + 3 + 1 + 8 + 6 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1972739639.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Orthopaedic Surgery
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Physician Assistant (Medical)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Surgery
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Urology
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Dermatology
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Internal Medicine (Gastroenterology)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Internal Medicine (Infectious Disease)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Physician Assistant (Medical)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Physician Assistant
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Surgery
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Specialist
9900 SE SUNNYSIDE RD, KAISER PERMANENTE SUNNYBROOK MEDICAL CENTER
CLACKAMAS, OR 97015
Physical Medicine & Rehabilitation
9900 SE SUNNYSIDE RD, SUNNYBROOK MEDICAL OFFICE
CLACKAMAS, OR 97015
Nurse Practitioner (Family)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Nurse Practitioner
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Physician Assistant
9900 SE SUNNYSIDE RD, SUNNYBROOK MEDICAL OFFICE
CLACKAMAS, OR 97015
Podiatrist (Foot & Ankle Surgery)
9900 SE SUNNYSIDE RD, KAISER PERMANENTE SUNNYBROOK MEDICAL OFFICE
CLACKAMAS, OR 97015
Dermatology
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Dermatology
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Surgery (Plastic and Reconstructive Surgery)
9900 SE SUNNYSIDE RD, KASIER PERMANENTE SUNNYBROOK MEDICAL OFFICE
CLACKAMAS, OR 97015
Surgery
9900 SE SUNNYSIDE RD, SUNNYBROOK MEDICAL OFFICE
CLACKAMAS, OR 97015

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972739639, enumerated as an "individual" on June 08, 2009.

The provider is located at 9900 SE SUNNYSIDE RD CLACKAMAS, OR 97015 and the phone number is (800) 813-2000.

Dietitian, Registered with taxonomy code 133V00000X.