Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GRACE ELIZABETH CHOUINARD PA-C
NPI 1003622093
Physician Assistant - Surgical in Boston, MA

Active since December 05, 2024
110 FRANCIS ST, BOSTON, MA 02215(617) 632-7246(617) 380-5219 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 8, 2026, Dec 5, 2024 (2 updates tracked since 2024).

  • Individual
  • Female
  • Physician Assistant
  • Surgical

About GRACE CHOUINARD

This page provides the complete NPI Profile along with additional information for Grace Chouinard, a provider established in Boston, Massachusetts with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1003622093 assigned on December 2024. The practitioner's primary taxonomy code is 363AS0400X with license number MPA10002161 (MA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1003622093
Provider Name
GRACE ELIZABETH CHOUINARD PA-C
Gender
Female
Entity Type
Individual
Location Address
110 FRANCIS ST BOSTON, MA 02215
Location Phone
(617) 632-7246
Location Fax
(617) 380-5219
Mailing Address
110 FRANCIS ST BOSTON, MA 02215
Mailing Phone
(617) 632-7246
Mailing Fax
(617) 380-5219
Is Sole Proprietor?
No
Enumeration Date
12-05-2024
Last Update Date
07-08-2026
Code Navigator

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

Physician Assistant Surgical

Taxonomy Code
363AS0400X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
MPA10002161
License State
MA

Reviews for GRACE ELIZABETH CHOUINARD PA-C

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1003622093, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 0 → 0 6 → 12 → 3 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 2 + 2 + 4 + 0 + 1 + 8 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1003622093.

Other Providers at the Same Location


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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
110 FRANCIS ST, STE 9F
BOSTON, MA 02215
Surgery (Vascular Surgery)
110 FRANCIS ST, SUITE 5C
BOSTON, MA 02215
Internal Medicine (Nephrology)
110 FRANCIS ST, 7TH FLOOR
BOSTON, MA 02215
Internal Medicine (Rheumatology)
110 FRANCIS ST, SUITE 4B
BOSTON, MA 02215
Internal Medicine (Gastroenterology)
110 FRANCIS ST, SUITE 8E
BOSTON, MA 02215
Internal Medicine (Gastroenterology)
110 FRANCIS ST
BOSTON, MA 02215
Internal Medicine (Gastroenterology)
110 FRANCIS ST
BOSTON, MA 02215
Surgery
110 FRANCIS ST, 7TH FLOOR
BOSTON, MA 02215
Internal Medicine (Hepatology)
110 FRANCIS ST, BETH ISRAEL DEACONESS MEDICAL CENTER
BOSTON, MA 02215
Internal Medicine (Gastroenterology)
110 FRANCIS ST, SUITE 8E
BOSTON, MA 02215
Plastic Surgery
110 FRANCIS ST, LOWRY SUITE 5A
BOSTON, MA 02215
Surgery (Vascular Surgery)
110 FRANCIS ST, # 5B
BOSTON, MA 02215
Internal Medicine (Geriatric Medicine)
110 FRANCIS ST, LMOB:1B
BOSTON, MA 02215
Surgery (Vascular Surgery)
110 FRANCIS ST, SUITE 9F
BOSTON, MA 02215
Surgery (Vascular Surgery)
110 FRANCIS ST, 5B
BOSTON, MA 02215
Internal Medicine (Rheumatology)
110 FRANCIS ST, SUITE 4B
BOSTON, MA 02215
Internal Medicine (Geriatric Medicine)
110 FRANCIS ST, BETH ISRAEL DEACONESS MEDICAL CTR STE 1-B
BOSTON, MA 02215
Plastic Surgery
110 FRANCIS ST, SUITE 5A
BOSTON, MA 02215
Neurological Surgery
110 FRANCIS ST, 3-B
BOSTON, MA 02215
Otolaryngology
110 FRANCIS ST, SUITE 6E
BOSTON, MA 02215

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003622093, enumerated as an "individual" on December 05, 2024.

The provider is located at 110 FRANCIS ST BOSTON, MA 02215 and the phone number is (617) 632-7246.

Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.