MRS. CATHERINE NORMA FRANKS NP
NPI 1821880279
Nurse Practitioner - Adult Health in New York, NY

NPI Status: Active since May 21, 2025

Contact Information

60 GRAMERCY PARK N APT 1N
NEW YORK, NY
ZIP 10010
Phone: (212) 475-2312
Fax: (212) 475-3542

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  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About CATHERINE FRANKS

This page provides the complete NPI Profile along with additional information for Catherine Franks, a provider established in New York, New York with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1821880279 assigned on May 2025. The practitioner's primary taxonomy code is 363LA2200X with license number F312254 (NY). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1821880279
Provider Name
MRS. CATHERINE NORMA FRANKS NP
Gender
Female
Entity Type
Individual
Location Address
60 GRAMERCY PARK N APT 1N NEW YORK, NY 10010
Location Phone
(212) 475-2312
Location Fax
(212) 475-3542
Mailing Address
60 GRAMERCY PARK N APT 1N NEW YORK, NY 10010
Mailing Phone
(212) 475-2312
Mailing Fax
(212) 475-3542
Is Sole Proprietor?
Yes
Enumeration Date
05-21-2025
Last Update Date
05-21-2025
Code Navigator

A nurse practitioner (NP) like Catherine Franks 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 Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
F312254
License State
NY

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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 1821880279, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 2 → 4 8 → 16 → 7 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 6 + 8 + 0 + 2 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1821880279.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Specialist
60 GRAMERCY PARK N APT 1N
NEW YORK, NY 10010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821880279, enumerated as an "individual" on May 21, 2025.

The provider is located at 60 GRAMERCY PARK N APT 1N NEW YORK, NY 10010 and the phone number is (212) 475-2312.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.