OLIVIA CAROL LETTER
NPI 1598583197
Nurse Anesthetist, Certified Registered in Oshkosh, WI
NPI Status: Active since October 01, 2024
Contact Information
800 ALGOMA BLVD
OSHKOSH, WI
ZIP 54901
Phone: (920) 424-1077
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Nurse Anesthetist, Certified Registered
About OLIVIA LETTER
This page provides the complete NPI Profile along with additional information for Olivia Letter, a provider established in Oshkosh, Wisconsin with a medical specialization in Nurse Anesthetist, Certified Registered. The healthcare provider is registered in the NPI registry with number 1598583197 assigned on October 2024. The practitioner's primary taxonomy code is 367500000X with license number 161098 (WI). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1598583197
- Provider Name
- OLIVIA CAROL LETTER
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 800 ALGOMA BLVD OSHKOSH, WI 54901
- Location Phone
- (920) 424-1077
- Mailing Address
- 2396 CROWN POINTE BLVD SUAMICO, WI 54173
- Mailing Phone
- (920) 412-0187
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-01-2024
- Last Update Date
- 05-26-2026
- Code Navigator
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
Nurse Anesthetist, Certified Registered
- Taxonomy Code
- 367500000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 161098
- License State
- WI
- Taxonomy Description
- (1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
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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 1598583197, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 73 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
OSHKOSH, WI 54901
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1598583197, enumerated as an "individual" on October 01, 2024.
The provider is located at 800 ALGOMA BLVD OSHKOSH, WI 54901 and the phone number is (920) 424-1077.
Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
