CATHERINE MARKS RD
NPI 1326517327
Dietitian, Registered - Nutrition, Pediatric in San Francisco, CA

NPI Status: Active since November 19, 2018

Contact Information

1975 4TH ST
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 475-1324

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  • Individual
  • Female
  • Dietitian, Registered
  • Nutrition, Pediatric

About CATHERINE MARKS

This page provides the complete NPI Profile along with additional information for Catherine Marks, a provider established in San Francisco, California with a medical specialization in Dietitian, Registered, focusing in nutrition, pediatric . The healthcare provider is registered in the NPI registry with number 1326517327 assigned on November 2018. The practitioner's primary taxonomy code is 133VN1004X. The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI
1326517327
Provider Name
CATHERINE MARKS RD
Gender
Female
Entity Type
Individual
Location Address
1975 4TH ST SAN FRANCISCO, CA 94143
Location Phone
(415) 475-1324
Mailing Address
1975 4TH ST SAN FRANCISCO, CA 94143
Mailing Phone
(415) 475-1324
Is Sole Proprietor?
No
Enumeration Date
11-19-2018
Last Update Date
11-19-2018
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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, Pediatric

Taxonomy Code
133VN1004X
Type
Dietary & Nutritional Service Providers
Taxonomy Description
An individual who is a Board Certified Specialist in Pediatric Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for pediatric patients. Specialists work directly with healthy and/or ill children (newborn up to 21 years of age) as well as children with special health care needs in a variety of settings (hospitals, community-based and/or family-centered programs, education programs, home, etc.), OR indirectly through management, care coordination, education, quality improvement, or research practice linked specifically to pediatric nutrition.

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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 1326517327, 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.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 5 → 10 → 1 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 + 3 + 4 + 6 + 1 + 0 + 1 + 1 + 4 + 3 + 4 + 24 = 53

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.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1326517327.

Other Providers at the Same Location


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

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Physical Therapist
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General Acute Care Hospital (Children)
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Nurse Practitioner (Pediatrics)
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Nurse Practitioner
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Nurse Practitioner (Pediatrics, Critical Care)
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Nurse Practitioner (Pediatrics, Critical Care)
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Nurse Practitioner (Pediatrics, Critical Care)
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Nurse Practitioner (Neonatal, Critical Care)
1975 4TH ST
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Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1975 4TH ST
SAN FRANCISCO, CA 94143
Acupuncturist
1975 4TH ST
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326517327, enumerated as an "individual" on November 19, 2018.

The provider is located at 1975 4TH ST SAN FRANCISCO, CA 94143 and the phone number is (415) 475-1324.

Dietitian, Registered with taxonomy code 133VN1004X and a focus in Nutrition, Pediatric.