DR. JOHN GEORGE PROPP M.D.
NPI 1558305946
Surgery - Vascular Surgery in Louisville, CO

NPI Status: Active since June 15, 2006

Contact Information

1044 S 88TH ST STE 105
LOUISVILLE, CO
ZIP 80027
Phone: (800) 991-6117
Fax: (888) 812-8191

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  • Individual
  • Male
  • Surgery
  • Vascular Surgery

About JOHN PROPP

This page provides the complete NPI Profile along with additional information for John Propp, a provider established in Louisville, Colorado with a medical specialization in Surgery, focusing in vascular surgery . The healthcare provider is registered in the NPI registry with number 1558305946 assigned on June 2006. The practitioner's primary taxonomy code is 2086S0129X with license number 21817 (CO). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1558305946
Provider Name
DR. JOHN GEORGE PROPP M.D.
Gender
Male
Entity Type
Individual
Location Address
1044 S 88TH ST STE 105 LOUISVILLE, CO 80027
Location Phone
(800) 991-6117
Location Fax
(888) 812-8191
Mailing Address
3810 NORTHDALE BLVD STE 150 TAMPA, FL 33624
Mailing Phone
(813) 961-1331
Mailing Fax
(888) 812-8191
Is Sole Proprietor?
Yes
Enumeration Date
06-15-2006
Last Update Date
03-18-2021
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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

Surgery Vascular Surgery

Taxonomy Code
2086S0129X
Type
Allopathic & Osteopathic Physicians
License No.
21817
License State
CO
Taxonomy Description
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

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)
1174400000XOther Service Providers

Specialist

21817 (CO)

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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 1558305946, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 3 → 6 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 6 + 0 + 1 + 0 + 9 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1558305946.

Other Providers at the Same Location


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

Surgery (Vascular Surgery)
1044 S 88TH ST STE 105
LOUISVILLE, CO 80027

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558305946, enumerated as an "individual" on June 15, 2006.

The provider is located at 1044 S 88TH ST STE 105 LOUISVILLE, CO 80027 and the phone number is (800) 991-6117.

Surgery with taxonomy code 2086S0129X and a focus in Vascular Surgery.