HA T PHAN
NPI 1619817160
Hearing Instrument Specialist in Burlingame, CA

NPI Status: Active since April 01, 2026

Contact Information

1860 EL CAMINO REAL STE 304
BURLINGAME, CA
ZIP 94010
Phone: (650) 278-7287
Fax: (650) 278-7287

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  • Individual
  • Female
  • Hearing Instrument Specialist

About HA PHAN

This page provides the complete NPI Profile along with additional information for Ha Phan, a provider established in Burlingame, California with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1619817160 assigned on April 2026. The practitioner's primary taxonomy code is 237700000X with license number HA9238 (CA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1619817160
Provider Name
HA T PHAN
Other Name
HANAH T PHAN HIS
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
1860 EL CAMINO REAL STE 304 BURLINGAME, CA 94010
Location Phone
(650) 278-7287
Location Fax
(650) 278-7287
Mailing Address
955 FAXON AVE SAN FRANCISCO, CA 94112
Mailing Phone
(650) 278-7287
Mailing Fax
(650) 278-7287
Is Sole Proprietor?
No
Enumeration Date
04-01-2026
Last Update Date
04-01-2026
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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

Hearing Instrument Specialist

Taxonomy Code
237700000X
Type
Speech, Language and Hearing Service Providers
License No.
HA9238
License State
CA
Taxonomy Description
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

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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 1619817160, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
0
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 1 → 2 8 → 16 → 7 7 → 14 → 5 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 + 2 + 9 + 1 + 6 + 1 + 1 + 4 + 1 + 1 + 2 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1619817160.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Audiologist
1860 EL CAMINO REAL STE 304
BURLINGAME, CA 94010
Hearing Aid Equipment
1860 EL CAMINO REAL STE 304
BURLINGAME, CA 94010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619817160, enumerated as an "individual" on April 01, 2026.

The provider is located at 1860 EL CAMINO REAL STE 304 BURLINGAME, CA 94010 and the phone number is (650) 278-7287.

Hearing Instrument Specialist with taxonomy code 237700000X.