JEANNIE H SWAIN PHARMD
NPI 1033049218
Pharmacist - Pharmacotherapy in Missoula, MT

NPI Status: Active since May 20, 2026

Contact Information

500 W BROADWAY ST
MISSOULA, MT
ZIP 59802
Phone: (406) 329-5721

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  • Individual
  • Female
  • Pharmacist
  • Pharmacotherapy

About JEANNIE SWAIN

This page provides the complete NPI Profile along with additional information for Jeannie Swain, a provider established in Missoula, Montana with a medical specialization in Pharmacist, focusing in pharmacotherapy . The healthcare provider is registered in the NPI registry with number 1033049218 assigned on May 2026. The practitioner's primary taxonomy code is 1835P1200X with license number 3866 (MT). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1033049218
Provider Name
JEANNIE H SWAIN PHARMD
Gender
Female
Entity Type
Individual
Location Address
500 W BROADWAY ST MISSOULA, MT 59802
Location Phone
(406) 329-5721
Mailing Address
1533 CORNERSTONE DR MISSOULA, MT 59802
Is Sole Proprietor?
Yes
Enumeration Date
05-20-2026
Last Update Date
05-20-2026
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A pharmacist like Jeannie Swain fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

Location Map

Secondary Locations

  • 32 Campus Drive SB 331
    Missoula, MT 59802
    (406) 243-4624

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

Pharmacist Pharmacotherapy

Taxonomy Code
1835P1200X
Type
Pharmacy Service Providers
License No.
3866
License State
MT
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing pharmacotherapeutic care of patients, by developing, implementing, monitoring, and modifying complex treatment plans, providing advanced level education and consultation, and collaborating with other health professionals in the management of therapy.

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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 1033049218, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 0 → 0 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 0 + 4 + 1 + 8 + 2 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1033049218.

Other Providers at the Same Location


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

Neurological Surgery
500 W BROADWAY ST, SUITE 310
MISSOULA, MT 59802
Specialist
500 W BROADWAY ST
MISSOULA, MT 59802
Emergency Medicine
500 W BROADWAY ST, EMERGENCY DEPARTMENT
MISSOULA, MT 59802
Radiology (Diagnostic Radiology)
500 W BROADWAY ST
MISSOULA, MT 59802
Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 W BROADWAY ST, SUITE 320
MISSOULA, MT 59802
Internal Medicine (Cardiovascular Disease)
500 W BROADWAY ST, SUITE 320
MISSOULA, MT 59802
Physician Assistant
500 W BROADWAY ST
MISSOULA, MT 59802
Internal Medicine
500 W BROADWAY ST
MISSOULA, MT 59802
Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 W BROADWAY ST, SUITE 320
MISSOULA, MT 59802
Physician Assistant
500 W BROADWAY ST
MISSOULA, MT 59802
Internal Medicine (Cardiovascular Disease)
500 W BROADWAY ST, SUITE 320
MISSOULA, MT 59802
Physical Medicine & Rehabilitation (Pain Medicine)
500 W BROADWAY ST, LEVEL 3
MISSOULA, MT 59802
Registered Nurse (Medical-Surgical)
500 W BROADWAY ST
MISSOULA, MT 59802
Family Medicine
500 W BROADWAY ST
MISSOULA, MT 59802
Nurse Practitioner (Family)
500 W BROADWAY ST
MISSOULA, MT 59802
Nurse Practitioner (Family)
500 W BROADWAY ST
MISSOULA, MT 59802
Surgery
500 W BROADWAY ST
MISSOULA, MT 59802
Emergency Medicine
500 W BROADWAY ST, ST. PATRICK EMERGENCY DEPT.
MISSOULA, MT 59802
Emergency Medicine
500 W BROADWAY ST
MISSOULA, MT 59802
Emergency Medicine
500 W BROADWAY ST
MISSOULA, MT 59802

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033049218, enumerated as an "individual" on May 20, 2026.

The provider is located at 500 W BROADWAY ST MISSOULA, MT 59802 and the phone number is (406) 329-5721.

Pharmacist with taxonomy code 1835P1200X and a focus in Pharmacotherapy.