TESS KATHRYN RUBENSTEIN ANP, GNP
NPI 1609208446
Nurse Practitioner - Adult Health in San Francisco, CA

NPI Status: Active since August 03, 2013

Contact Information

490 POST ST STE 700
SAN FRANCISCO, CA
ZIP 94102
Phone: (415) 860-7218
Fax: (415) 362-7745

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  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About TESS RUBENSTEIN

This page provides the complete NPI Profile along with additional information for Tess Rubenstein, a provider established in San Francisco, California with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1609208446 assigned on August 2013. The practitioner's primary taxonomy code is 363LA2200X with license number 847263 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1609208446
Provider Name
TESS KATHRYN RUBENSTEIN ANP, GNP
Gender
Female
Entity Type
Individual
Location Address
490 POST ST STE 700 SAN FRANCISCO, CA 94102
Location Phone
(415) 860-7218
Location Fax
(415) 362-7745
Mailing Address
490 POST ST STE 700 SAN FRANCISCO, CA 94102
Mailing Phone
(415) 860-7218
Mailing Fax
(415) 362-7745
Is Sole Proprietor?
No
Enumeration Date
08-03-2013
Last Update Date
11-01-2025
Code Navigator

A nurse practitioner (NP) like Tess Rubenstein 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.
847263
License State
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 1609208446, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 4 + 0 + 1 + 6 + 4 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1609208446.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609208446, enumerated as an "individual" on August 03, 2013.

The provider is located at 490 POST ST STE 700 SAN FRANCISCO, CA 94102 and the phone number is (415) 860-7218.

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