MS. JEANNETTE TEJANO R.D.
NPI 1598941718
Dietitian, Registered in San Francisco, CA

NPI Status: Active since January 17, 2008

Contact Information

2100 WEBSTER ST
STE 518
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 331-8390
Fax: (415) 331-8380

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NPPES record last updated: January 17, 2008. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Dietitian, Registered

About JEANNETTE TEJANO

This page provides the complete NPI Profile along with additional information for Jeannette Tejano, a provider established in San Francisco, California with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1598941718 assigned on January 2008. The practitioner's primary taxonomy code is 133V00000X with license number 0942560 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1598941718
Provider Name
MS. JEANNETTE TEJANO R.D.
Gender
Female
Entity Type
Individual
Location Address
2100 WEBSTER ST STE 518 SAN FRANCISCO, CA 94115
Location Phone
(415) 331-8390
Location Fax
(415) 331-8380
Mailing Address
2100 WEBSTER ST STE 518 SAN FRANCISCO, CA 94115
Mailing Phone
(415) 331-8390
Mailing Fax
(415) 331-8380
Is Sole Proprietor?
No
Enumeration Date
01-17-2008
Last Update Date
01-17-2008
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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

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
0942560
License State
CA
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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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 1598941718, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 8 + 4 + 2 + 7 + 2 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1598941718.

Other Providers at the Same Location


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

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2100 WEBSTER ST, STE 202
SAN FRANCISCO, CA 94115
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SAN FRANCISCO, CA 94115
Ophthalmology
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SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Optometrist
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Internal Medicine
2100 WEBSTER ST, STE 112
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, STE 319
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
Internal Medicine (Medical Oncology)
2100 WEBSTER ST, SUITE 326
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
Specialist
2100 WEBSTER ST, SUITE#328
SAN FRANCISCO, CA 94115
Podiatrist (Foot & Ankle Surgery)
2100 WEBSTER ST, SUITE 407
SAN FRANCISCO, CA 94115
Dentist (Oral and Maxillofacial Surgery)
2100 WEBSTER ST, SUITE 303
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2100 WEBSTER ST, SUITE 518
SAN FRANCISCO, CA 94115
Clinical Neuropsychologist
2100 WEBSTER ST, STE 115
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598941718, enumerated as an "individual" on January 17, 2008.

The provider is located at 2100 WEBSTER ST STE 518 SAN FRANCISCO, CA 94115 and the phone number is (415) 331-8390.

Dietitian, Registered with taxonomy code 133V00000X.