CHERYL ZAPPAS TANNENBAUM NP
NPI 1710179783
Nurse Practitioner - Adult Health in Larkspur, CA

NPI Status: Active since August 14, 2007

Contact Information

5 BON AIR RD STE 105
LARKSPUR, CA
ZIP 94939
Phone: (415) 461-0440

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  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About CHERYL TANNENBAUM

This page provides the complete NPI Profile along with additional information for Cheryl Tannenbaum, a provider established in Larkspur, California with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1710179783 assigned on August 2007. The practitioner's primary taxonomy code is 363LA2200X with license number 609 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1710179783
Provider Name
CHERYL ZAPPAS TANNENBAUM NP
Other Name
CHERIE ZAPPAS TANNENBAUM NP
Other Name Type
Other Name (5)
Gender
Female
Entity Type
Individual
Location Address
5 BON AIR RD STE 105 LARKSPUR, CA 94939
Location Phone
(415) 461-0440
Mailing Address
9 EYE ST SAN RAFAEL, CA 94901
Mailing Phone
(415) 828-1700
Is Sole Proprietor?
No
Enumeration Date
08-14-2007
Last Update Date
08-18-2023
Code Navigator

A nurse practitioner (NP) like Cheryl Tannenbaum 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.
609
License State
CA

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)
1163W00000XNursing Service Providers

Registered Nurse

257187 (CA)
2363LA2200XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Adult Health

609 FURNISHING NUMBE (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 1710179783, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 1 → 2 1 → 2 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 2 + 7 + 1 + 8 + 7 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1710179783.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Marriage & Family Therapist
5 BON AIR RD STE 105
LARKSPUR, CA 94939
Pediatrics
5 BON AIR RD STE 105
LARKSPUR, CA 94939
Pediatrics
5 BON AIR RD STE 105
LARKSPUR, CA 94939
Counselor (Mental Health)
5 BON AIR RD STE 105
LARKSPUR, CA 94939
Pediatrics
5 BON AIR RD STE 105
LARKSPUR, CA 94939
Pediatrics
5 BON AIR RD STE 105
LARKSPUR, CA 94939

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710179783, enumerated as an "individual" on August 14, 2007.

The provider is located at 5 BON AIR RD STE 105 LARKSPUR, CA 94939 and the phone number is (415) 461-0440.

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