ILANA KATSNELSON M.D.
NPI 1730471699
Pediatrics - Adolescent Medicine in Daly City, CA

NPI Status: Active since May 11, 2011

Contact Information

333 GELLERT BLVD STE 119
DALY CITY, CA
ZIP 94015
Phone: (415) 361-6212
Fax: (415) 480-8443

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  • Individual
  • Female
  • Pediatrics
  • Adolescent Medicine

About ILANA KATSNELSON

This page provides the complete NPI Profile along with additional information for Ilana Katsnelson, a pediatrician established in Daly City, California with a medical specialization in Pediatrics, focusing in adolescent medicine . The healthcare provider is registered in the NPI registry with number 1730471699 assigned on May 2011. The practitioner's primary taxonomy code is 2080A0000X with license number A56327 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1730471699
Provider Name
ILANA KATSNELSON M.D.
Gender
Female
Entity Type
Individual
Location Address
333 GELLERT BLVD STE 119 DALY CITY, CA 94015
Location Phone
(415) 361-6212
Location Fax
(415) 480-8443
Mailing Address
333 GELLERT BLVD STE 119 DALY CITY, CA 94015
Mailing Phone
(415) 361-6212
Mailing Fax
(415) 480-8443
Is Sole Proprietor?
No
Enumeration Date
05-11-2011
Last Update Date
05-14-2025
Code Navigator

A pediatrician like Ilana Katsnelson is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

Location Map

Secondary Locations

  • 300 Harding Blvd Ste 201
    Roseville, CA 95678
    (916) 260-6079

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

Pediatrics Adolescent Medicine

Taxonomy Code
2080A0000X
Type
Allopathic & Osteopathic Physicians
License No.
A56327
License State
CA
Taxonomy Description
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

A56327 (CA)

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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 1730471699, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 3 → 6 4 → 8 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 8 + 7 + 2 + 6 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1730471699.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730471699, enumerated as an "individual" on May 11, 2011.

The provider is located at 333 GELLERT BLVD STE 119 DALY CITY, CA 94015 and the phone number is (415) 361-6212.

Pediatrics with taxonomy code 2080A0000X and a focus in Adolescent Medicine.