CALVIN LEE MA, OTR/L
NPI 1477194702
Occupational Therapist - Hand in Rancho Cucamonga, CA

NPI Status: Active since October 08, 2019

Contact Information

9405 FAIRWAY VIEW PL
RANCHO CUCAMONGA, CA
ZIP 91730
Phone: (909) 481-7345

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Occupational Therapist
Hand

About CALVIN LEE

This page provides the complete NPI Profile along with additional information for Calvin Lee, a provider established in Rancho Cucamonga, California with a medical specialization in Occupational Therapist, focusing in hand . The healthcare provider is registered in the NPI registry with number 1477194702 assigned on October 2019. The practitioner's primary taxonomy code is 225XH1200X with license number 23081 (CA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI: 1477194702
Provider Name: CALVIN LEE MA, OTR/L
Gender: Male
Entity Type: Individual
Location Address: 9405 FAIRWAY VIEW PL RANCHO CUCAMONGA, CA 91730
Location Phone: (909) 481-7345
Mailing Address: 1810 GRACE AVE ARCADIA, CA 91006
Mailing Phone: (626) 316-3739
Is Sole Proprietor?: Yes
Enumeration Date: 10-08-2019
Last Update Date: 06-04-2022
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Location Map

Secondary Locations

2650 E Foothill Blvd
Pasadena, CA 91107
(626) 577-2261
1810 Grace Ave
Arcadia, CA 91006
(626) 316-3739
9353 Imperial Hwy
Downey, CA 90242
(833) 574-2273

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: Occupational Therapist Hand
Taxonomy Code: 225XH1200X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: 23081
License State: CA

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)
1	390200000X	Student, Health Care	Student in an Organized Health Care Education/Training Program

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 1477194702, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 0

Check

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 7 → 14 → 5 1 → 2 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 2 + 9 + 8 + 7 + 0 + 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 1477194702.