DR. WARREN HOWARD GUFFIN M.D.
NPI 1366541724
Emergency Medicine in Missoula, MT

NPI Status: Active since September 22, 2006

Contact Information

500 W BROADWAY ST
ST. PATRICK EMERGENCY DEPT.
MISSOULA, MT
ZIP 59802
Phone: (406) 329-5635
Fax: (406) 329-5639

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  • Individual
  • Male
  • Emergency Medicine

About WARREN GUFFIN

This page provides the complete NPI Profile along with additional information for Warren Guffin, a provider established in Missoula, Montana with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1366541724 assigned on September 2006. The practitioner's primary taxonomy code is 207P00000X with license number 4077 (MT). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1366541724
Provider Name
DR. WARREN HOWARD GUFFIN M.D.
Gender
Male
Entity Type
Individual
Location Address
500 W BROADWAY ST ST. PATRICK EMERGENCY DEPT. MISSOULA, MT 59802
Location Phone
(406) 329-5635
Location Fax
(406) 329-5639
Mailing Address
102 GREENWOOD LN MISSOULA, MT 59803
Mailing Phone
(406) 543-6907
Is Sole Proprietor?
Yes
Enumeration Date
09-22-2006
Last Update Date
07-08-2007
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
4077
License State
MT
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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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 1366541724, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
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 6 → 12 → 3 5 → 10 → 1 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 0 + 4 + 2 + 7 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1366541724.

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
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 1366541724, enumerated as an "individual" on September 22, 2006.

The provider is located at 500 W BROADWAY ST ST. PATRICK EMERGENCY DEPT. MISSOULA, MT 59802 and the phone number is (406) 329-5635.

Emergency Medicine with taxonomy code 207P00000X.