MR. ZACHARY LOGAN LABRANCHE PA-C
NPI 1861202756
Physician Assistant in Nashua, NH

NPI Status: Active since January 13, 2025

Contact Information

17 PROSPECT ST
NASHUA, NH
ZIP 03060
Phone: (603) 577-2663
Fax: (603) 577-3366

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  • Individual
  • Male
  • Physician Assistant

About ZACHARY LABRANCHE

This page provides the complete NPI Profile along with additional information for Zachary Labranche, a primary care provider established in Nashua, New Hampshire with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1861202756 assigned on January 2025. The practitioner's primary taxonomy code is 363A00000X with license number 3605 (NH). The provider is registered as an individual and his NPI record was last updated January 2026.

NPI
1861202756
Provider Name
MR. ZACHARY LOGAN LABRANCHE PA-C
Gender
Male
Entity Type
Individual
Location Address
17 PROSPECT ST NASHUA, NH 03060
Location Phone
(603) 577-2663
Location Fax
(603) 577-3366
Mailing Address
PO BOX 3677 NASHUA, NH 03061
Mailing Phone
(603) 577-7900
Mailing Fax
(603) 577-3366
Is Sole Proprietor?
No
Enumeration Date
01-13-2025
Last Update Date
01-22-2026
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A primary care provider (PCP) like Zachary Labranche sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
3605
License State
NH
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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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 1861202756, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 6 → 12 → 3 2 → 4 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 4 + 0 + 4 + 7 + 1 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1861202756.

Other Providers at the Same Location


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

Internal Medicine
17 PROSPECT ST
NASHUA, NH 03060
Pediatrics
17 PROSPECT ST
NASHUA, NH 03060
Internal Medicine
17 PROSPECT ST
NASHUA, NH 03060
Pediatrics
17 PROSPECT ST
NASHUA, NH 03060
Internal Medicine (Rheumatology)
17 PROSPECT ST
NASHUA, NH 03060
Nurse Practitioner
17 PROSPECT ST
NASHUA, NH 03060
Physician Assistant (Surgical)
17 PROSPECT ST
NASHUA, NH 03060
Podiatrist (Foot Surgery)
17 PROSPECT ST
NASHUA, NH 03060
Orthopaedic Surgery
17 PROSPECT ST
NASHUA, NH 03060
Physician Assistant
17 PROSPECT ST
NASHUA, NH 03060
Nurse Practitioner (Adult Health)
17 PROSPECT ST, SUITE N 203
NASHUA, NH 03060
Dermatology
17 PROSPECT ST
NASHUA, NH 03060
Nurse Practitioner (Family)
17 PROSPECT ST
NASHUA, NH 03060
Dermatology (MOHS-Micrographic Surgery)
17 PROSPECT ST
NASHUA, NH 03060
Neurological Surgery
17 PROSPECT ST
NASHUA, NH 03060
Physician Assistant
17 PROSPECT ST
NASHUA, NH 03060
Dermatology
17 PROSPECT ST
NASHUA, NH 03060
Orthopaedic Surgery
17 PROSPECT ST
NASHUA, NH 03060
Nurse Practitioner
17 PROSPECT ST
NASHUA, NH 03060
Physician Assistant
17 PROSPECT ST
NASHUA, NH 03060

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861202756, enumerated as an "individual" on January 13, 2025.

The provider is located at 17 PROSPECT ST NASHUA, NH 03060 and the phone number is (603) 577-2663.

Physician Assistant with taxonomy code 363A00000X.