DR. EDWIN FRANCIS HOUTKOOPER DPM
NPI 1144307893
Podiatrist - Primary Podiatric Medicine in San Francisco, CA

NPI Status: Active since November 01, 2006

Contact Information

2252 BEACH ST
SAN FRANCISCO, CA
ZIP 94123
Phone: (415) 441-6262

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  • Individual
  • Male
  • Podiatrist
  • Primary Podiatric Medicine

About EDWIN HOUTKOOPER

This page provides the complete NPI Profile along with additional information for Edwin Houtkooper, a provider established in San Francisco, California with a medical specialization in Podiatrist, focusing in primary podiatric medicine . The healthcare provider is registered in the NPI registry with number 1144307893 assigned on November 2006. The practitioner's primary taxonomy code is 213EP1101X with license number E-1936 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1144307893
Provider Name
DR. EDWIN FRANCIS HOUTKOOPER DPM
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
2252 BEACH ST SAN FRANCISCO, CA 94123
Location Phone
(415) 441-6262
Mailing Address
2252 BEACH ST SAN FRANCISCO, CA 94123
Mailing Phone
(415) 441-6262
Is Sole Proprietor?
Yes
Enumeration Date
11-01-2006
Last Update Date
07-08-2007
Code Navigator

A podiatrist like Edwin Houtkooper provides medical and surgical care for people with foot, ankle, and lower leg issues. Podiatrists treat foot and ankle ailments like calluses, ingrown toenails, heel spurs, arthritis, congenital foot deformities, foot problems associated with diabetes and arch problems.

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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 Primary Podiatric Medicine

Taxonomy Code
213EP1101X
Type
Podiatric Medicine & Surgery Service Providers
License No.
E-1936
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 1144307893, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 4 → 8 3 → 6 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 6 + 0 + 1 + 4 + 8 + 1 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1144307893.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144307893, enumerated as an "individual" on November 01, 2006.

The provider is located at 2252 BEACH ST SAN FRANCISCO, CA 94123 and the phone number is (415) 441-6262.

Podiatrist with taxonomy code 213EP1101X and a focus in Primary Podiatric Medicine.