RYAN ALLEN RD
NPI 1487547071
Dietitian, Registered - Nutrition, Oncology in Providence, RI

NPI Status: Active since June 02, 2025

Contact Information

50 MAUDE ST
PROVIDENCE, RI
ZIP 02908
Phone: (401) 456-6513

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  • Individual
  • Female
  • Dietitian, Registered
  • Nutrition, Oncology

About RYAN ALLEN

This page provides the complete NPI Profile along with additional information for Ryan Allen, a provider established in Providence, Rhode Island with a medical specialization in Dietitian, Registered, focusing in nutrition, oncology . The healthcare provider is registered in the NPI registry with number 1487547071 assigned on June 2025. The practitioner's primary taxonomy code is 133VN1301X with license number 01443 (RI). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1487547071
Provider Name
RYAN ALLEN RD
Gender
Female
Entity Type
Individual
Location Address
50 MAUDE ST PROVIDENCE, RI 02908
Location Phone
(401) 456-6513
Mailing Address
50 MAUDE ST PROVIDENCE, RI 02908
Mailing Phone
(401) 456-6513
Is Sole Proprietor?
No
Enumeration Date
06-02-2025
Last Update Date
06-02-2025
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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

Dietitian, Registered Nutrition, Oncology

Taxonomy Code
133VN1301X
Type
Dietary & Nutritional Service Providers
License No.
01443
License State
RI
Taxonomy Description
An individual who is a Board Certified Specialist in Oncology Nutrition and provides direct nutrition care for individuals at risk for or diagnosed with cancer. RDNs working directly with individuals at risk for, or diagnosed with, any type of malignancy or pre-malignant condition, in a variety of settings (e.g. hospitals, clinics, cancer centers, hospices, public health), OR indirectly through roles in management, education, industry, and research practice linked specifically to oncology nutrition. RDN who works indirectly with oncology nutrition through roles in management, education, industry, and research.

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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 1487547071, 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.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 8 → 16 → 7 5 → 10 → 1 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 0 + 4 + 1 + 4 + 0 + 1 + 4 + 24 = 59

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.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1487547071.

Other Providers at the Same Location


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

Nurse Practitioner
50 MAUDE ST
PROVIDENCE, RI 02908
Internal Medicine (Infectious Disease)
50 MAUDE ST
PROVIDENCE, RI 02908
Internal Medicine (Gastroenterology)
50 MAUDE ST
PROVIDENCE, RI 02908
Internal Medicine (Endocrinology, Diabetes & Metabolism)
50 MAUDE ST
PROVIDENCE, RI 02908
Internal Medicine (Rheumatology)
50 MAUDE ST
PROVIDENCE, RI 02908
Internal Medicine (Rheumatology)
50 MAUDE ST
PROVIDENCE, RI 02908
Optometrist
50 MAUDE ST
PROVIDENCE, RI 02908
Optometrist
50 MAUDE ST
PROVIDENCE, RI 02908
Internal Medicine (Pulmonary Disease)
50 MAUDE ST
PROVIDENCE, RI 02908
Surgery (Plastic and Reconstructive Surgery)
50 MAUDE ST, 2ND FLOOR
PROVIDENCE, RI 02908
Dermatology
50 MAUDE ST
PROVIDENCE, RI 02908
Skilled Nursing Facility
50 MAUDE ST
PROVIDENCE, RI 02908
Nurse Practitioner
50 MAUDE ST, 4TH FLOOR
PROVIDENCE, RI 02908
Nurse Practitioner (Gerontology)
50 MAUDE ST
PROVIDENCE, RI 02908
Surgery
50 MAUDE ST, 2ND FLOOR
PROVIDENCE, RI 02908
Optometrist
50 MAUDE ST, PROVIDENCE EYE ASSOCIATES
PROVIDENCE, RI 02908
Optometrist
50 MAUDE ST
PROVIDENCE, RI 02908
Surgery
50 MAUDE ST
PROVIDENCE, RI 02908
Surgery (Surgical Oncology)
50 MAUDE ST
PROVIDENCE, RI 02908
Clinical Neuropsychologist
50 MAUDE ST, ELMHURST, 5TH FLOOR
PROVIDENCE, RI 02908

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487547071, enumerated as an "individual" on June 02, 2025.

The provider is located at 50 MAUDE ST PROVIDENCE, RI 02908 and the phone number is (401) 456-6513.

Dietitian, Registered with taxonomy code 133VN1301X and a focus in Nutrition, Oncology.