DR. SUSAN C. RISTOW M.D.
NPI 1407817224
Allergy & Immunology in Rochester, NY

NPI Status: Active since March 31, 2006

Contact Information

220 ALEXANDER ST
SUITE 402
ROCHESTER, NY
ZIP 14607
Phone: (585) 922-8350

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  • Individual
  • Female
  • Allergy & Immunology

About SUSAN RISTOW

This page provides the complete NPI Profile along with additional information for Susan Ristow, a provider established in Rochester, New York with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1407817224 assigned on March 2006. The practitioner's primary taxonomy code is 207K00000X with license number 122410 (NY). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1407817224
Provider Name
DR. SUSAN C. RISTOW M.D.
Gender
Female
Entity Type
Individual
Location Address
220 ALEXANDER ST SUITE 402 ROCHESTER, NY 14607
Location Phone
(585) 922-8350
Mailing Address
540 ANTLERS DR ROCHESTER, NY 14618
Is Sole Proprietor?
Yes
Enumeration Date
03-31-2006
Last Update Date
08-03-2007
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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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
122410
License State
NY
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

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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 1407817224, 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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
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 8 → 16 → 7 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 6 + 1 + 1 + 4 + 2 + 4 + 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 1407817224.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Internal Medicine
220 ALEXANDER ST, SUITE 703
ROCHESTER, NY 14607
Obstetrics & Gynecology
220 ALEXANDER ST, SUITE 602
ROCHESTER, NY 14607
Nurse Practitioner (Adult Health)
220 ALEXANDER ST, SUITE 5500
ROCHESTER, NY 14607
Nurse Practitioner (Women's Health)
220 ALEXANDER ST, STE 602
ROCHESTER, NY 14607
Internal Medicine
220 ALEXANDER ST, MVP HEALTH CARE
ROCHESTER, NY 14607
Internal Medicine
220 ALEXANDER ST, SUITE 106
ROCHESTER, NY 14607
Internal Medicine
220 ALEXANDER ST, SUITE 106
ROCHESTER, NY 14607
Family Medicine (Addiction Medicine)
220 ALEXANDER ST, SUITE 708
ROCHESTER, NY 14607
Surgery (Vascular Surgery)
220 ALEXANDER ST
ROCHESTER, NY 14607

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407817224, enumerated as an "individual" on March 31, 2006.

The provider is located at 220 ALEXANDER ST SUITE 402 ROCHESTER, NY 14607 and the phone number is (585) 922-8350.

Allergy & Immunology with taxonomy code 207K00000X.