RIANNE MERSCH PA-C
NPI 1700749454
Physician Assistant - Medical in Durham, NC

NPI Status: Active since December 08, 2025

Contact Information

10 DUKE MEDICINE CIR
DURHAM, NC
ZIP 27710
Phone: (919) 681-2916

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  • Individual
  • Female
  • Physician Assistant
  • Medical

About RIANNE MERSCH

This page provides the complete NPI Profile along with additional information for Rianne Mersch, a primary care provider established in Durham, North Carolina with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1700749454 assigned on December 2025. The practitioner's primary taxonomy code is 363AM0700X with license number 0010-16331 (NC). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1700749454
Provider Name
RIANNE MERSCH PA-C
Gender
Female
Entity Type
Individual
Location Address
10 DUKE MEDICINE CIR DURHAM, NC 27710
Location Phone
(919) 681-2916
Mailing Address
10 DUKE MEDICINE CIR DURHAM, NC 27710
Is Sole Proprietor?
No
Enumeration Date
12-08-2025
Last Update Date
03-26-2026
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A primary care provider (PCP) like Rianne Mersch 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
0010-16331
License State
NC

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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 1700749454, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 0 → 0 7 → 14 → 5 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 1 + 4 + 4 + 1 + 8 + 4 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1700749454.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR, 7 WEST
DURHAM, NC 27710
Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Physician Assistant (Medical)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner (Acute Care)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Physician Assistant
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Respiratory Therapist, Registered
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Physician Assistant
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Internal Medicine (Infectious Disease)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Anesthesiology
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Student in an Organized Health Care Education/Training Program
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Nurse Practitioner (Pediatrics)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Registered Nurse
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Registered Nurse (Critical Care Medicine)
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Physician Assistant
10 DUKE MEDICINE CIR
DURHAM, NC 27710
Physician Assistant
10 DUKE MEDICINE CIR
DURHAM, NC 27710

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700749454, enumerated as an "individual" on December 08, 2025.

The provider is located at 10 DUKE MEDICINE CIR DURHAM, NC 27710 and the phone number is (919) 681-2916.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.