Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

TIFFANY NGUYEN PHARMD
NPI 1396665972
Pharmacist - Pain Management in Duarte, CA

Active since July 15, 2026
1500 DUARTE RD, DUARTE, CA 91010(626) 275-8069 Get DirectionsWrite a Review

NPPES record added: July 15, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Pharmacist
  • Pain Management

About TIFFANY NGUYEN

This page provides the complete NPI Profile along with additional information for Tiffany Nguyen, a provider established in Duarte, California with a medical specialization in Pharmacist, focusing in pain management . The healthcare provider is registered in the NPI registry with number 1396665972 assigned on July 2026. The practitioner's primary taxonomy code is 1835P1400X with license number 88212 (CA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1396665972
Provider Name
TIFFANY NGUYEN PHARMD
Gender
Female
Entity Type
Individual
Location Address
1500 DUARTE RD DUARTE, CA 91010
Location Phone
(626) 275-8069
Mailing Address
534 E HOOVER AVE ORANGE, CA 92867
Is Sole Proprietor?
No
Enumeration Date
07-15-2026
Last Update Date
07-15-2026
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Location Map

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

Pharmacist Pain Management

Taxonomy Code
1835P1400X
Type
Pharmacy Service Providers
License No.
88212
License State
CA
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skills, providing integrated, comprehensive, and accessible healthcare services to patients experiencing pain and associated symptoms.

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)
11835X0200XPharmacy Service Providers

Pharmacist
Oncology

88212 (CA)

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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 1396665972, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 9 → 18 → 9 6 → 12 → 3 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 2 + 6 + 1 + 0 + 9 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1396665972.

Other Providers at the Same Location


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

Colon & Rectal Surgery
1500 DUARTE RD
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Surgery (Surgical Oncology)
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Anesthesiology
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Dietitian, Registered
1500 DUARTE RD
DUARTE, CA 91010
Dietitian, Registered
1500 DUARTE RD
DUARTE, CA 91010
Dietitian, Registered
1500 DUARTE RD
DUARTE, CA 91010
Pharmacist (Oncology)
1500 DUARTE RD, DEPARTMENT OF PHARMACY SERVICES
DUARTE, CA 91010
Nurse Practitioner
1500 DUARTE RD
DUARTE, CA 91010
Nurse Practitioner (Pediatrics)
1500 DUARTE RD, DPS-173, ROOM 153
DUARTE, CA 91010
Pathology (Clinical Laboratory Director, Non-physician)
1500 DUARTE RD, NORTHWEST BUILDING, ROOM 2255
DUARTE, CA 91010
Nurse Practitioner (Adult Health)
1500 DUARTE RD
DUARTE, CA 91010
Nurse Practitioner
1500 DUARTE RD
DUARTE, CA 91010
Nurse Practitioner (Family)
1500 DUARTE RD
DUARTE, CA 91010
Internal Medicine (Hematology & Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Medical Genetics (Clinical Cytogenetics)
1500 DUARTE RD
DUARTE, CA 91010
Pathology (Blood Banking & Transfusion Medicine)
1500 DUARTE RD
DUARTE, CA 91010
Pathology (Clinical Laboratory Director, Non-physician)
1500 DUARTE RD
DUARTE, CA 91010
Clinical Medical Laboratory
1500 DUARTE RD, NORTHWEST BLD., ROOM 2255
DUARTE, CA 91010
Pathology (Anatomic Pathology & Clinical Pathology)
1500 DUARTE RD
DUARTE, CA 91010
Specialist (Research Study)
1500 DUARTE RD, MOB 4TH FLOOR
DUARTE, CA 91010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396665972, enumerated as an "individual" on July 15, 2026.

The provider is located at 1500 DUARTE RD DUARTE, CA 91010 and the phone number is (626) 275-8069.

Pharmacist with taxonomy code 1835P1400X and a focus in Pain Management.