DR. LARRY ALVIN WEITZENKAMP M. D.
NPI 1649214362
Family Medicine in Martin, SD

NPI Status: Active since June 15, 2006

Contact Information

109 PUGH ST
MARTIN, SD
ZIP 57551
Phone: (605) 685-1450
Fax: (605) 685-1453

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  • Individual
  • Male
  • Family Medicine

About LARRY WEITZENKAMP

This page provides the complete NPI Profile along with additional information for Larry Weitzenkamp, a primary care provider established in Martin, South Dakota with a medical specialization in Family Medicine. The healthcare provider is registered in the NPI registry with number 1649214362 assigned on June 2006. The practitioner's primary taxonomy code is 207Q00000X with license number 2498 (SD). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1649214362
Provider Name
DR. LARRY ALVIN WEITZENKAMP M. D.
Gender
Male
Entity Type
Individual
Location Address
109 PUGH ST MARTIN, SD 57551
Location Phone
(605) 685-1450
Location Fax
(605) 685-1453
Mailing Address
PO BOX 370 MARTIN, SD 57551
Mailing Phone
(605) 685-1450
Mailing Fax
(605) 685-1453
Is Sole Proprietor?
No
Enumeration Date
06-15-2006
Last Update Date
05-24-2026
Code Navigator

A primary care provider (PCP) like Larry Weitzenkamp sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
2498
License State
SD
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

5461 (AK)

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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 1649214362, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 4 + 1 + 8 + 3 + 1 + 2 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1649214362.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Clinic/Center (Federally Qualified Health Center (FQHC))
109 PUGH ST
MARTIN, SD 57551
Physician Assistant
109 PUGH ST
MARTIN, SD 57551
Nurse Practitioner (Primary Care)
109 PUGH ST
MARTIN, SD 57551
Nurse Practitioner (Family)
109 PUGH ST
MARTIN, SD 57551

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649214362, enumerated as an "individual" on June 15, 2006.

The provider is located at 109 PUGH ST MARTIN, SD 57551 and the phone number is (605) 685-1450.

Family Medicine with taxonomy code 207Q00000X.