MELISSA ANN HARRIS NP
NPI 1366311631
Nurse Practitioner - Family in Centreville, MD
NPI Status: Active since November 04, 2025
Contact Information
202 COURSEVALL DR STE 101
CENTREVILLE, MD
ZIP 21617
Phone: (410) 758-3303
- Individual
- Female
- Nurse Practitioner
- Family
About MELISSA HARRIS
This page provides the complete NPI Profile along with additional information for Melissa Harris, a provider established in Centreville, Maryland with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1366311631 assigned on November 2025. The practitioner's primary taxonomy code is 363LF0000X with license number R123612 (MD). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1366311631
- Provider Name
- MELISSA ANN HARRIS NP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 202 COURSEVALL DR STE 101 CENTREVILLE, MD 21617
- Location Phone
- (410) 758-3303
- Mailing Address
- 121 WILSON CLARK LN CENTREVILLE, MD 21617
- Mailing Phone
- (410) 924-9992
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-04-2025
- Last Update Date
- 11-04-2025
- Code Navigator
A nurse practitioner (NP) like Melissa Harris 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
Secondary Locations
- 28438 Marlboro Ave
Easton, MD 21601
(410) 820-7270
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 Family
- Taxonomy Code
- 363LF0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- R123612
- License State
- MD
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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 1366311631, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
CENTREVILLE, MD 21617
CENTREVILLE, MD 21617
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1366311631, enumerated as an "individual" on November 04, 2025.
The provider is located at 202 COURSEVALL DR STE 101 CENTREVILLE, MD 21617 and the phone number is (410) 758-3303.
Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.
