ANNMARIE TYRAH TESTMAN PMHNP-BC
NPI 1437271459
Nurse Practitioner - Psychiatric/Mental Health in Manchester, NH

NPI Status: Active since April 03, 2007

Contact Information

718 SMYTH RD
MANCHESTER, NH
ZIP 03104
Phone: (603) 624-4366

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

About ANNMARIE TESTMAN

This page provides the complete NPI Profile along with additional information for Annmarie Testman, a provider established in Manchester, New Hampshire with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1437271459 assigned on April 2007. The practitioner's primary taxonomy code is 363LP0808X with license number 29135 (SC). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1437271459
Provider Name
ANNMARIE TYRAH TESTMAN PMHNP-BC
Gender
Female
Entity Type
Individual
Location Address
718 SMYTH RD MANCHESTER, NH 03104
Location Phone
(603) 624-4366
Mailing Address
561 DUNSWELL DR SUMMERVILLE, SC 29486
Mailing Phone
(404) 825-7050
Is Sole Proprietor?
Yes
Enumeration Date
04-03-2007
Last Update Date
04-20-2026
Code Navigator

A nurse practitioner (NP) like Annmarie Testman 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.
29135
License State
SC

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)
1101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

LPC006141 (GA)
2363LP0808XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Psychiatric/Mental Health

115237-23 (NH)

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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 1437271459, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 4 + 7 + 2 + 4 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1437271459.

Other Providers at the Same Location


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

Specialist
718 SMYTH RD, VA MEDICAL CENTER 111/112
MANCHESTER, NH 03104
Pharmacist (Psychiatric)
718 SMYTH RD
MANCHESTER, NH 03104
Pharmacist (Psychiatric)
718 SMYTH RD, PSYCHIATRY DEPARTMENT
MANCHESTER, NH 03104
Nurse Practitioner (Family)
718 SMYTH RD
MANCHESTER, NH 03104
Preventive Medicine (Aerospace Medicine)
718 SMYTH RD, VA MEDICAL CENTER (11)
MANCHESTER, NH 03104
Nurse Practitioner (Family)
718 SMYTH RD
MANCHESTER, NH 03104
Internal Medicine (Gastroenterology)
718 SMYTH RD, VAMC
MANCHESTER, NH 03104
Optometrist
718 SMYTH RD, VA MEDICAL CENTER
MANCHESTER, NH 03104
Internal Medicine
718 SMYTH RD
MANCHESTER, NH 03104
Nurse Practitioner (Adult Health)
718 SMYTH RD, VA MEDICAL CENTER
MANCHESTER, NH 03104
Nurse Practitioner (Adult Health)
718 SMYTH RD, VAMC MANCHESTER
MANCHESTER, NH 03104
Audiologist
718 SMYTH RD, VA MEDICAL CENTER
MANCHESTER, NH 03104
Podiatrist
718 SMYTH RD, MANCHESTER VAMC
MANCHESTER, NH 03104
Psychiatry & Neurology (Psychiatry)
718 SMYTH RD
MANCHESTER, NH 03104
Nurse Practitioner (Primary Care)
718 SMYTH RD
MANCHESTER, NH 03104
Nurse Practitioner (Gerontology)
718 SMYTH RD, MANCHESTER VAMC
MANCHESTER, NH 03104
Nurse Practitioner (Gerontology)
718 SMYTH RD
MANCHESTER, NH 03104
Physician Assistant
718 SMYTH RD, VAMC
MANCHESTER, NH 03104
Podiatrist
718 SMYTH RD
MANCHESTER, NH 03104
Nurse Practitioner (Psychiatric/Mental Health)
718 SMYTH RD, VA MEDICAL CENTER
MANCHESTER, NH 03104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437271459, enumerated as an "individual" on April 03, 2007.

The provider is located at 718 SMYTH RD MANCHESTER, NH 03104 and the phone number is (603) 624-4366.

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