DR. R STEPHEN IRWIN M. D.
NPI 1528093382
Family Medicine - Geriatric Medicine in Polson, MT

NPI Status: Active since July 11, 2006

Contact Information

29822 SMUGGLERS POINT RD
POLSON, MT
ZIP 59860
Phone: (406) 883-5680

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  • Individual
  • Male
  • Family Medicine
  • Geriatric Medicine

About R IRWIN

This page provides the complete NPI Profile along with additional information for R Irwin, a primary care provider established in Polson, Montana with a medical specialization in Family Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1528093382 assigned on July 2006. The practitioner's primary taxonomy code is 207QG0300X with license number 4753 (MT). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1528093382
Provider Name
DR. R STEPHEN IRWIN M. D.
Gender
Male
Entity Type
Individual
Location Address
29822 SMUGGLERS POINT RD POLSON, MT 59860
Location Phone
(406) 883-5680
Mailing Address
PO BOX 1010 POLSON, MT 59860
Mailing Phone
(406) 883-5680
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
07-11-2006
Last Update Date
03-07-2025
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A primary care provider (PCP) like R Irwin 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

Family Medicine Geriatric Medicine

Taxonomy Code
207QG0300X
Type
Allopathic & Osteopathic Physicians
License No.
4753
License State
MT
Taxonomy Description
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

4753 (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 1528093382, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 2 → 4 0 → 0 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 0 + 9 + 6 + 3 + 1 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1528093382.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Skilled Nursing Facility
29822 SMUGGLERS POINT RD
POLSON, MT 59860

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528093382, enumerated as an "individual" on July 11, 2006.

The provider is located at 29822 SMUGGLERS POINT RD POLSON, MT 59860 and the phone number is (406) 883-5680.

Family Medicine with taxonomy code 207QG0300X and a focus in Geriatric Medicine.