MS. TERESA TURNBULL NP
NPI 1497741854
Nurse Practitioner - Family in Missoula, MT

NPI Status: Active since September 21, 2005

Contact Information

401 RAILROAD ST W
MISSOULA, MT
ZIP 59802
Phone: (406) 258-4789
Fax: (406) 258-4732

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About TERESA TURNBULL

This page provides the complete NPI Profile along with additional information for Teresa Turnbull, a provider established in Missoula, Montana with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1497741854 assigned on September 2005. The practitioner's primary taxonomy code is 363LF0000X with license number NUR-APRN-LIC-218994 (MT). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1497741854
Provider Name
MS. TERESA TURNBULL NP
Gender
Female
Entity Type
Individual
Location Address
401 RAILROAD ST W MISSOULA, MT 59802
Location Phone
(406) 258-4789
Location Fax
(406) 258-4732
Mailing Address
401 RAILROAD ST W MISSOULA, MT 59802
Mailing Phone
(406) 258-4789
Mailing Fax
(406) 258-4732
Is Sole Proprietor?
No
Enumeration Date
09-21-2005
Last Update Date
02-25-2026
Code Navigator

A nurse practitioner (NP) like Teresa Turnbull 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
NUR-APRN-LIC-218994
License State
MT

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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 1497741854, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 7 → 14 → 5 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 + 1 + 8 + 7 + 1 + 4 + 4 + 2 + 8 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1497741854.

Other Providers at the Same Location


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

Dentist
401 RAILROAD ST W
MISSOULA, MT 59802
Dentist (General Practice)
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Counselor (Professional)
401 RAILROAD ST W
MISSOULA, MT 59802
Dentist
401 RAILROAD ST W
MISSOULA, MT 59802
Dentist
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Nurse Practitioner (Family)
401 RAILROAD ST W
MISSOULA, MT 59802
Pharmacist (Pharmacotherapy)
401 RAILROAD ST W, CLINICAL PHARMACY
MISSOULA, MT 59802
Social Worker (Clinical)
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Nurse Practitioner (Psychiatric/Mental Health)
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Family Medicine
401 RAILROAD ST W
MISSOULA, MT 59802
Social Worker (Clinical)
401 RAILROAD ST W
MISSOULA, MT 59802
Physician Assistant (Medical)
401 RAILROAD ST W
MISSOULA, MT 59802

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497741854, enumerated as an "individual" on September 21, 2005.

The provider is located at 401 RAILROAD ST W MISSOULA, MT 59802 and the phone number is (406) 258-4789.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.