MRS. JO ANN HOFFMAN SIKORA CRNP
NPI 1689636003
Nurse Practitioner - Acute Care in Baltimore, MD
- Individual
- Female
- Nurse Practitioner
- Acute Care
About JO ANN SIKORA
This page provides the complete NPI Profile along with additional information for Jo Ann Sikora, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in acute care . The healthcare provider is registered in the NPI registry with number 1689636003 assigned on April 2006. The practitioner's primary taxonomy code is 363LA2100X with license number R115172 (MD). The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1689636003
- Provider Name
- MRS. JO ANN HOFFMAN SIKORA CRNP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 22 S GREENE ST N4W94 BALTIMORE, MD 21201
- Location Phone
- (410) 328-5842
- Mailing Address
- 22 S GREENE ST N4W94 BALTIMORE, MD 21201
- Mailing Phone
- (410) 328-5842
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-03-2006
- Last Update Date
- 07-13-2026
- Code Navigator
A nurse practitioner (NP) like Jo Ann Sikora is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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
Nurse Practitioner Acute Care
- Taxonomy Code
- 363LA2100X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- R115172
- License State
- MD
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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 1689636003, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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.
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 57 is 60. 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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1689636003, enumerated as an "individual" on April 03, 2006.
The provider is located at 22 S GREENE ST N4W94 BALTIMORE, MD 21201 and the phone number is (410) 328-5842.
Nurse Practitioner with taxonomy code 363LA2100X and a focus in Acute Care.
