CALLAHAN FOOT & ANKLE CLINIC
NPI 1386861870
Durable Medical Equipment & Medical Supplies in Jacksonville, FL

NPI Status: Active since April 19, 2007

Contact Information

2561 RIVERSIDE AVE
JACKSONVILLE, FL
ZIP 32204
Phone: (904) 308-7909
Fax: (904) 308-4099

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About CALLAHAN FOOT & ANKLE CLINIC

This page provides the complete NPI Profile along with additional information for Callahan Foot & Ankle Clinic, a provider established in Jacksonville, Florida operating as a Durable Medical Equipment & Medical Supplies. The healthcare provider is registered in the NPI registry with number 1386861870 assigned on April 2007. The practitioner's primary taxonomy code is 332B00000X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The provider's is doing business as Callahan Foot & Ankle Clinic. The authorized official of this NPI record is Michael L Friedman Dpm (President)

NPI
1386861870
Provider Legal Name
FRIEDMAN & GREENHUT, DPM, PA
Other Organization Name
CALLAHAN FOOT & ANKLE CLINIC
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
2561 RIVERSIDE AVE JACKSONVILLE, FL 32204
Location Phone
(904) 308-7909
Location Fax
(904) 308-4099
Mailing Address
PO BOX 1578 CALLAHAN, FL 32011
Mailing Phone
(904) 879-2552
Mailing Fax
(904) 308-4099
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-19-2007
Last Update Date
08-22-2020
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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
License State
FL
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.

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

MICHAEL L FRIEDMAN DPM

Authorized Official Title
PRESIDENT
Authorized Official Phone
(904) 879-2552

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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 1386861870, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 6 + 6 + 2 + 8 + 1 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1386861870.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386861870, enumerated as an "organization" on April 19, 2007.

The provider is located at 2561 RIVERSIDE AVE JACKSONVILLE, FL 32204 and the phone number is (904) 308-7909.

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