FIONA JACQUELINE TSANG
NPI 1225984180
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

NPI Status: Active since March 04, 2026

Contact Information

36 1ST AVE
BOSTON, MA
ZIP 02129
Phone: (617) 726-2000

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  • Individual
  • Female
  • Nurse Practitioner
  • Psychiatric/Mental Health

About FIONA TSANG

This page provides the complete NPI Profile along with additional information for Fiona Tsang, a provider established in Boston, Massachusetts with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1225984180 assigned on March 2026. The practitioner's primary taxonomy code is 363LP0808X with license number RN10015763 (MA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1225984180
Provider Name
FIONA JACQUELINE TSANG
Gender
Female
Entity Type
Individual
Location Address
36 1ST AVE BOSTON, MA 02129
Location Phone
(617) 726-2000
Mailing Address
36 1ST AVE BOSTON, MA 02129
Is Sole Proprietor?
Yes
Enumeration Date
03-04-2026
Last Update Date
03-04-2026
Code Navigator

A nurse practitioner (NP) like Fiona Tsang is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

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

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN10015763
License State
MA

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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 1225984180, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 9 → 18 → 9 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 8 + 8 + 8 + 1 + 1 + 6 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1225984180.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Pediatrics)
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
CHARLESTOWN, MA 02129
Student in an Organized Health Care Education/Training Program
36 1ST AVE
BOSTON, MA 02129
Registered Nurse
36 1ST AVE
CHARLESTOWN, MA 02129
Physician Assistant
36 1ST AVE
CHARLESTOWN, MA 02129
Nurse Practitioner (Acute Care)
36 1ST AVE
BOSTON, MA 02129
Registered Nurse
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
CHARLESTOWN, MA 02129
Student in an Organized Health Care Education/Training Program
36 1ST AVE
BOSTON, MA 02129
Registered Nurse
36 1ST AVE
BOSTON, MA 02129
Student in an Organized Health Care Education/Training Program
36 1ST AVE
BOSTON, MA 02129
Student in an Organized Health Care Education/Training Program
36 1ST AVE
BOSTON, MA 02129
Nurse Practitioner (Adult Health)
36 1ST AVE
BOSTON, MA 02129
Nurse Practitioner (Primary Care)
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
BOSTON, MA 02129
Physician Assistant
36 1ST AVE
BOSTON, MA 02129
Physician Assistant (Medical)
36 1ST AVE
BOSTON, MA 02129

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225984180, enumerated as an "individual" on March 04, 2026.

The provider is located at 36 1ST AVE BOSTON, MA 02129 and the phone number is (617) 726-2000.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.