MCDONALD OPTICAL DISPENSARY INC
NPI 1669788956
Durable Medical Equipment & Medical Supplies in Iowa City, IA

NPI Status: Active since August 24, 2010

Contact Information

16 S CLINTON ST
BOX 1940
IOWA CITY, IA
ZIP 52240
Phone: (319) 337-4995
Fax: (319) 358-5707

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About MCDONALD OPTICAL DISPENSARY INC

This page provides the complete NPI Profile along with additional information for Mcdonald Optical Dispensary Inc, a provider established in Iowa City, Iowa operating as a Durable Medical Equipment & Medical Supplies. The healthcare provider is registered in the NPI registry with number 1669788956 assigned on August 2010. The practitioner's primary taxonomy code is 332B00000X. The provider is registered as an organization and their NPI record was last updated 14 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Reid A Mcdonald (Owner)

NPI
1669788956
Provider Name
MCDONALD OPTICAL DISPENSARY INC
Entity Type
Organization
Location Address
16 S CLINTON ST BOX 1940 IOWA CITY, IA 52240
Location Phone
(319) 337-4995
Location Fax
(319) 358-5707
Mailing Address
16 S CLINTON ST IOWA CITY, IA 52240
Mailing Phone
(319) 337-4995
Mailing Fax
(319) 358-5707
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-24-2010
Last Update Date
04-20-2012
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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

Durable Medical Equipment & Medical Supplies

Taxonomy Code
332B00000X
Type
Suppliers
Taxonomy Description
A supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for a patient's use in the home and that are usable for an extended period of time.

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)
1152W00000XEye and Vision Services Providers

Optometrist

 

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

REID A MCDONALD

Authorized Official Title
OWNER
Authorized Official Phone
(319) 337-4995

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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 1669788956, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 7 → 14 → 5 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 4 + 8 + 1 + 6 + 9 + 1 + 0 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1669788956.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Optometrist
16 S CLINTON ST
IOWA CITY, IA 52240
Optometrist
16 S CLINTON ST
IOWA CITY, IA 52240
Optometrist
16 S CLINTON ST
IOWA CITY, IA 52240

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669788956, enumerated as an "organization" on August 24, 2010.

The provider is located at 16 S CLINTON ST BOX 1940 IOWA CITY, IA 52240 and the phone number is (319) 337-4995.

Durable Medical Equipment & Medical Supplies with taxonomy code 332B00000X.