STEPHEN CHAO DPT
NPI 1598093783
Physical Therapist in Hawthorne, NY

NPI Status: Active since November 27, 2009

Contact Information

370 ELWOOD AVE
SUITE 101
HAWTHORNE, NY
ZIP 10532
Phone: (914) 769-7690
Fax: (914) 769-8077

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  • Individual
  • Male
  • Physical Therapist

About STEPHEN CHAO

This page provides the complete NPI Profile along with additional information for Stephen Chao, a provider established in Hawthorne, New York with a medical specialization in Physical Therapist. The healthcare provider is registered in the NPI registry with number 1598093783 assigned on November 2009. The practitioner's primary taxonomy code is 225100000X with license number 032066-1 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1598093783
Provider Name
STEPHEN CHAO DPT
Other Name
GRAYSON STEPHEN YING CHAO DPT
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
370 ELWOOD AVE SUITE 101 HAWTHORNE, NY 10532
Location Phone
(914) 769-7690
Location Fax
(914) 769-8077
Mailing Address
102 MADISON AVE 8TH FLOOR NEW YORK, NY 10016
Mailing Phone
(212) 759-2282
Mailing Fax
(914) 769-8077
Is Sole Proprietor?
No
Enumeration Date
11-27-2009
Last Update Date
09-11-2025
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Location Map

Secondary Locations

  • 57 W57th street 15th fl
    New York, NY 10019
    (646) 790-7464

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

Physical Therapist

Taxonomy Code
225100000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
032066-1
License State
NY
Taxonomy Description
Physical therapists (PTs) are licensed health care professionals who diagnose and treat individuals of all ages, from newborns to the very oldest, who have medical problems or other health-related conditions that limit their abilities to move and perform functional activities in their daily lives. PTs examine each individual and develop a plan using treatment techniques to promote the ability to move, reduce pain, restore function, and prevent disability. In addition, PTs work with individuals to prevent the loss of mobility before it occurs by developing fitness- and wellness-oriented programs for healthier and more active lifestyles. PTs:
  • Diagnose and manage movement dysfunction and enhance physical and functional abilities.
  • Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
  • Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
  • Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
  • Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
PTs provide care for people in a variety of settings, including hospitals, private practices, outpatient clinics, home health agencies, schools, sports and fitness facilities, work settings, and nursing homes. State licensure is required in each state in which a PT practices.

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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 1598093783, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 0 → 0 3 → 6 8 → 16 → 7

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 + 0 + 9 + 6 + 7 + 1 + 6 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1598093783.

Other Providers at the Same Location


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

Physical Therapist
370 ELWOOD AVE, SUITE 101
HAWTHORNE, NY 10532
Pediatrics
370 ELWOOD AVE
HAWTHORNE, NY 10532
Physical Therapist
370 ELWOOD AVE, SUITE 101
HAWTHORNE, NY 10532
Physical Therapist
370 ELWOOD AVE, SUITE 101
HAWTHORNE, NY 10532

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598093783, enumerated as an "individual" on November 27, 2009.

The provider is located at 370 ELWOOD AVE SUITE 101 HAWTHORNE, NY 10532 and the phone number is (914) 769-7690.

Physical Therapist with taxonomy code 225100000X.