MATHEW BARRAS
NPI 1194665372
Pharmacist - Ambulatory Care in Ann Arbor, MI

NPI Status: Active since March 30, 2026

Contact Information

4260 PLYMOUTH RD
ANN ARBOR, MI
ZIP 48109
Phone: (734) 647-5705

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  • Individual
  • Male
  • Pharmacist
  • Ambulatory Care

About MATHEW BARRAS

This page provides the complete NPI Profile along with additional information for Mathew Barras, a provider established in Ann Arbor, Michigan with a medical specialization in Pharmacist, focusing in ambulatory care . The healthcare provider is registered in the NPI registry with number 1194665372 assigned on March 2026. The practitioner's primary taxonomy code is 1835P2201X with license number 5302042930 (MI). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1194665372
Provider Name
MATHEW BARRAS
Gender
Male
Entity Type
Individual
Location Address
4260 PLYMOUTH RD ANN ARBOR, MI 48109
Location Phone
(734) 647-5705
Mailing Address
1500 E MEDICAL CENTER DR ANN ARBOR, MI 48109
Is Sole Proprietor?
Yes
Enumeration Date
03-30-2026
Last Update Date
03-30-2026
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A pharmacist like Mathew Barras 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

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 Ambulatory Care

Taxonomy Code
1835P2201X
Type
Pharmacy Service Providers
License No.
5302042930
License State
MI
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in the provision of integrated, accessible health care services by pharmacists and is accountable for addressing medication needs, developing sustained partnerships with patients, and practicing in the context of family and community.

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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 1194665372, 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 9 → 18 → 9 6 → 12 → 3 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 2 + 6 + 1 + 0 + 3 + 1 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1194665372.

Other Providers at the Same Location


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

Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine (Geriatric Medicine)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Pediatrics
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine (Geriatric Medicine)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Advanced Practice Midwife
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine (Geriatric Medicine)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Psychiatry & Neurology (Geriatric Psychiatry)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Psychiatry & Neurology (Psychiatry)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Dietitian, Registered
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Dietitian, Registered
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Psychiatry & Neurology (Psychiatry)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Social Worker
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Social Worker
4260 PLYMOUTH RD
ANN ARBOR, MI 48109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194665372, enumerated as an "individual" on March 30, 2026.

The provider is located at 4260 PLYMOUTH RD ANN ARBOR, MI 48109 and the phone number is (734) 647-5705.

Pharmacist with taxonomy code 1835P2201X and a focus in Ambulatory Care.