DR. DENNIS R. GUMM DPM
NPI 1083742241
Podiatrist - Foot & Ankle Surgery in Long Beach, CA

NPI Status: Active since March 01, 2007

Contact Information

4508A ATLANTIC AVE
# A138
LONG BEACH, CA
ZIP 90807
Phone: (310) 378-5424

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  • Individual
  • Male
  • Podiatrist
  • Foot & Ankle Surgery

About DENNIS GUMM

This page provides the complete NPI Profile along with additional information for Dennis Gumm, a provider established in Long Beach, California with a medical specialization in Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1083742241 assigned on March 2007. The practitioner's primary taxonomy code is 213ES0103X with license number E1983 (CA). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1083742241
Provider Name
DR. DENNIS R. GUMM DPM
Gender
Male
Entity Type
Individual
Location Address
4508A ATLANTIC AVE # A138 LONG BEACH, CA 90807
Location Phone
(310) 378-5424
Mailing Address
3505 LONG BEACH BLVD SUITE 2F LONG BEACH, CA 90807
Mailing Phone
(310) 378-5424
Is Sole Proprietor?
Yes
Enumeration Date
03-01-2007
Last Update Date
08-20-2019
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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

Podiatrist Foot & Ankle Surgery

Taxonomy Code
213ES0103X
Type
Podiatric Medicine & Surgery Service Providers
License No.
E1983
License State
CA

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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 1083742241, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 4 + 4 + 4 + 2 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1083742241.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083742241, enumerated as an "individual" on March 01, 2007.

The provider is located at 4508A ATLANTIC AVE # A138 LONG BEACH, CA 90807 and the phone number is (310) 378-5424.

Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.