HAI HONG HUANG HUANG
NPI 1033075445
Dietitian, Registered in Antioch, CA

NPI Status: Active since December 30, 2025

Contact Information

5601 DEER VALLEY RD
ANTIOCH, CA
ZIP 94531
Phone: (925) 813-6500

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  • Individual
  • Female
  • Dietitian, Registered

About HAI HONG HUANG HUANG

This page provides the complete NPI Profile along with additional information for Hai Hong Huang Huang, a provider established in Antioch, California with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1033075445 assigned on December 2025. The practitioner's primary taxonomy code is 133V00000X with license number 86420931 (CA). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1033075445
Provider Name
HAI HONG HUANG HUANG
Gender
Female
Entity Type
Individual
Location Address
5601 DEER VALLEY RD ANTIOCH, CA 94531
Location Phone
(925) 813-6500
Mailing Address
222 PLYMOUTH AVE SAN FRANCISCO, CA 94112
Is Sole Proprietor?
No
Enumeration Date
12-30-2025
Last Update Date
12-31-2025
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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
License No.
86420931
License State
CA
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.

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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 1033075445, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 3 → 6 0 → 0 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 0 + 7 + 1 + 0 + 4 + 8 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1033075445.

Other Providers at the Same Location


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

Internal Medicine (Rheumatology)
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Obstetrics & Gynecology
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Dermatology
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pharmacist
5601 DEER VALLEY RD, ROOM 2102
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pharmacist
5601 DEER VALLEY RD
ANTIOCH, CA 94531
General Acute Care Hospital
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pharmacist
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pharmacy Technician
5601 DEER VALLEY RD, KAISER DRV PHARMACY
ANTIOCH, CA 94531
Pharmacist
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pharmacist
5601 DEER VALLEY RD, DEER VALLEY MOB PHARMACY
ANTIOCH, CA 94531
Pharmacist
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Internal Medicine
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pharmacy (Community/Retail Pharmacy)
5601 DEER VALLEY RD
ANTIOCH, CA 94531
Pediatrics
5601 DEER VALLEY RD
ANTIOCH, CA 94531

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033075445, enumerated as an "individual" on December 30, 2025.

The provider is located at 5601 DEER VALLEY RD ANTIOCH, CA 94531 and the phone number is (925) 813-6500.

Dietitian, Registered with taxonomy code 133V00000X.