HOLLEE HAMAMOTO CMT
NPI 1821429341
Massage Therapist in San Diego, CA

NPI Status: Active since December 09, 2013

Contact Information

4550 KEARNY VILLA RD STE 110
SAN DIEGO, CA
ZIP 92123
Phone: (505) 850-0249

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  • Individual
  • Female
  • Massage Therapist

About HOLLEE HAMAMOTO

This page provides the complete NPI Profile along with additional information for Hollee Hamamoto, a provider established in San Diego, California with a medical specialization in Massage Therapist. The healthcare provider is registered in the NPI registry with number 1821429341 assigned on December 2013. The practitioner's primary taxonomy code is 225700000X with license number 69310 (CA). The provider is registered as an individual and her NPI record was last updated one year ago. Hollee Hamamoto operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1821429341
Provider Name
HOLLEE HAMAMOTO CMT
Gender
Female
Entity Type
Individual
Location Address
4550 KEARNY VILLA RD STE 110 SAN DIEGO, CA 92123
Location Phone
(505) 850-0249
Mailing Address
2911 C ST UNIT 91 SAN DIEGO, CA 92102
Mailing Phone
(505) 850-0249
Mailing Fax
Is Sole Proprietor?
Yes
Enumeration Date
12-09-2013
Last Update Date
09-10-2025
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Location Map

Secondary Locations

  • 2911 C St Unit 91
    San Diego, CA 92102
    (505) 850-0249

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

Massage Therapist

Taxonomy Code
225700000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
69310
License State
CA
Taxonomy Description
An individual trained in the manipulation of tissues (as by rubbing, stroking, kneading, or tapping) with the hand or an instrument for remedial or hygienic purposes.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1821429341, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 8 + 2 + 1 + 8 + 3 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1821429341.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821429341, enumerated as an "individual" on December 09, 2013.

The provider is located at 4550 KEARNY VILLA RD STE 110 SAN DIEGO, CA 92123 and the phone number is (505) 850-0249.

Massage Therapist with taxonomy code 225700000X.