ORSON HAO CHEN JIANG
NPI 1598613648
Massage Therapist in Mountain View, CA

NPI Status: Active since March 16, 2026

Contact Information

341 CASTRO ST STE D
MOUNTAIN VIEW, CA
ZIP 94041
Phone: (408) 660-5403
Fax: (408) 414-7732

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  • Individual
  • Male
  • Massage Therapist

About ORSON JIANG

This page provides the complete NPI Profile along with additional information for Orson Jiang, a provider established in Mountain View, California with a medical specialization in Massage Therapist. The healthcare provider is registered in the NPI registry with number 1598613648 assigned on March 2026. The practitioner's primary taxonomy code is 225700000X with license number 98897 (CA). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1598613648
Provider Name
ORSON HAO CHEN JIANG
Gender
Male
Entity Type
Individual
Location Address
341 CASTRO ST STE D MOUNTAIN VIEW, CA 94041
Location Phone
(408) 660-5403
Location Fax
(408) 414-7732
Mailing Address
341 CASTRO ST STE D MOUNTAIN VIEW, CA 94041
Is Sole Proprietor?
Yes
Enumeration Date
03-16-2026
Last Update Date
03-16-2026
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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

Massage Therapist

Taxonomy Code
225700000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
98897
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.

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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 1598613648, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 2 + 1 + 6 + 6 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1598613648.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Acupuncturist
341 CASTRO ST STE D
MOUNTAIN VIEW, CA 94041
Acupuncturist
341 CASTRO ST STE D
MOUNTAIN VIEW, CA 94041
Acupuncturist
341 CASTRO ST STE D
MOUNTAIN VIEW, CA 94041
Acupuncturist
341 CASTRO ST STE D
MOUNTAIN VIEW, CA 94041

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598613648, enumerated as an "individual" on March 16, 2026.

The provider is located at 341 CASTRO ST STE D MOUNTAIN VIEW, CA 94041 and the phone number is (408) 660-5403.

Massage Therapist with taxonomy code 225700000X.