MR. DAVID OTTERSBACH
NPI 1336088269
Registered Nurse - Psychiatric/Mental Health in Oldsmar, FL

NPI Status: Active since March 26, 2026

Contact Information

1309 SUNSET WIND LOOP
OLDSMAR, FL
ZIP 34677
Phone: (727) 643-2301

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  • Individual
  • Male
  • Registered Nurse
  • Psychiatric/Mental Health

About DAVID OTTERSBACH

This page provides the complete NPI Profile along with additional information for David Ottersbach, a provider established in Oldsmar, Florida with a medical specialization in Registered Nurse, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1336088269 assigned on March 2026. The practitioner's primary taxonomy code is 163WP0808X with license number RN9273329 (FL). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1336088269
Provider Name
MR. DAVID OTTERSBACH
Gender
Male
Entity Type
Individual
Location Address
1309 SUNSET WIND LOOP OLDSMAR, FL 34677
Location Phone
(727) 643-2301
Mailing Address
1309 SUNSET WIND LOOP OLDSMAR, FL 34677
Mailing Phone
(727) 643-2301
Is Sole Proprietor?
Yes
Enumeration Date
03-26-2026
Last Update Date
03-26-2026
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A registered nurse (RN) like David Ottersbach coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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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

Registered Nurse Psychiatric/Mental Health

Taxonomy Code
163WP0808X
Type
Nursing Service Providers
License No.
RN9273329
License State
FL

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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 1336088269, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 3 → 6 0 → 0 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 0 + 8 + 1 + 6 + 2 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1336088269.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336088269, enumerated as an "individual" on March 26, 2026.

The provider is located at 1309 SUNSET WIND LOOP OLDSMAR, FL 34677 and the phone number is (727) 643-2301.

Registered Nurse with taxonomy code 163WP0808X and a focus in Psychiatric/Mental Health.