KATHRYN ELIZABETH DERE MD
NPI 1588284624
Internal Medicine - Geriatric Medicine in San Francisco, CA

NPI Status: Active since April 18, 2020

Contact Information

1441 POWELL ST
SAN FRANCISCO, CA
ZIP 94133
Phone: (415) 292-8888

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  • Individual
  • Female
  • Internal Medicine
  • Geriatric Medicine

About KATHRYN DERE

This page provides the complete NPI Profile along with additional information for Kathryn Dere, an internist established in San Francisco, California with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1588284624 assigned on April 2020. The practitioner's primary taxonomy code is 207RG0300X with license number A191366 (CA). The provider is registered as an individual and her NPI record was last updated 2 years ago.

NPI
1588284624
Provider Name
KATHRYN ELIZABETH DERE MD
Gender
Female
Entity Type
Individual
Location Address
1441 POWELL ST SAN FRANCISCO, CA 94133
Location Phone
(415) 292-8888
Mailing Address
1441 POWELL ST SAN FRANCISCO, CA 94133
Is Sole Proprietor?
Yes
Enumeration Date
04-18-2020
Last Update Date
09-15-2024
Code Navigator

An internist like Kathryn Dere is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
License No.
A191366
License State
CA
Taxonomy Description
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

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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 1588284624, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 4 + 8 + 8 + 6 + 4 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1588284624.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Internal Medicine
1441 POWELL ST
SAN FRANCISCO, CA 94133
Neuromusculoskeletal Medicine & OMM
1441 POWELL ST
SAN FRANCISCO, CA 94133
Clinic/Center (Adult Day Care)
1441 POWELL ST
SAN FRANCISCO, CA 94133
Clinic/Center (Hearing and Speech)
1441 POWELL ST
SAN FRANCISCO, CA 94133

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588284624, enumerated as an "individual" on April 18, 2020.

The provider is located at 1441 POWELL ST SAN FRANCISCO, CA 94133 and the phone number is (415) 292-8888.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.