MEGHAN DONNA RYAN NNP-BC
NPI 1851611297
Nurse Practitioner - Neonatal in Greenwich, CT
NPI Status: Active since June 08, 2010
Contact Information
5 PERRYRIDGE RD
GREENWICH, CT
ZIP 06830
Phone: (203) 863-3513
- Individual
- Female
- Nurse Practitioner
- Neonatal
About MEGHAN RYAN
This page provides the complete NPI Profile along with additional information for Meghan Ryan, a provider established in Greenwich, Connecticut with a medical specialization in Nurse Practitioner, focusing in neonatal . The healthcare provider is registered in the NPI registry with number 1851611297 assigned on June 2010. The practitioner's primary taxonomy code is 363LN0000X with license number 5710 (CT). The provider is registered as an individual and her NPI record was last updated January 2026.
- NPI
- 1851611297
- Provider Name
- MEGHAN DONNA RYAN NNP-BC
- Other Name
- MEGHAN FLEMING NNP
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 5 PERRYRIDGE RD GREENWICH, CT 06830
- Location Phone
- (203) 863-3513
- Mailing Address
- 5 PERRYRIDGE RD GREENWICH, CT 06830
- Mailing Phone
- (203) 863-3513
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-08-2010
- Last Update Date
- 01-15-2026
- Code Navigator
A nurse practitioner (NP) like Meghan Ryan 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 Neonatal
- Taxonomy Code
- 363LN0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 5710
- License State
- CT
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 363LN0000X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | RN1019248 (DC) |
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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 1851611297, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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 53 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.
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1851611297, enumerated as an "individual" on June 08, 2010.
The provider is located at 5 PERRYRIDGE RD GREENWICH, CT 06830 and the phone number is (203) 863-3513.
Nurse Practitioner with taxonomy code 363LN0000X and a focus in Neonatal.
