DENA EVETTE RIFKIN M.D.
NPI 1578519203
Internal Medicine - Nephrology in La Jolla, CA

NPI Status: Active since May 25, 2006

Contact Information

9500 GILMAN DRIVE VA MEDICAL CENTER
9111H
LA JOLLA, CA
ZIP 92093
Phone: (617) 699-8969

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  • Individual
  • Female
  • Internal Medicine
  • Nephrology

About DENA RIFKIN

This page provides the complete NPI Profile along with additional information for Dena Rifkin, an internist established in La Jolla, California with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1578519203 assigned on May 2006. The practitioner's primary taxonomy code is 207RN0300X with license number A 109186 (CA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1578519203
Provider Name
DENA EVETTE RIFKIN M.D.
Gender
Female
Entity Type
Individual
Location Address
9500 GILMAN DRIVE VA MEDICAL CENTER 9111H LA JOLLA, CA 92093
Location Phone
(617) 699-8969
Mailing Address
9500 GILMAN DRIVE VA MEDICAL CENTER 9111H LA JOLLA, CA 92093
Mailing Phone
(617) 699-8969
Is Sole Proprietor?
No
Enumeration Date
05-25-2006
Last Update Date
04-07-2026
Code Navigator

An internist like Dena Rifkin 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

Secondary Locations

  • 9400 Campus Point Dr
    LA Jolla, CA 92093
    (800) 926-8273
  • 200 W Arbor Dr
    San Diego, CA 92103
    (800) 926-8273
  • 9300 Campus Point Dr
    LA Jolla, CA 92037
    (800) 926-8273

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 Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
A 109186
License State
CA
Taxonomy Description
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

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)
1207RN0300XAllopathic & Osteopathic Physicians

Internal Medicine
Nephrology

224488 (MA)

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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 1578519203, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
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 7 → 14 → 5 5 → 10 → 1 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 4 + 8 + 1 + 0 + 1 + 1 + 8 + 2 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1578519203.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578519203, enumerated as an "individual" on May 25, 2006.

The provider is located at 9500 GILMAN DRIVE VA MEDICAL CENTER 9111H LA JOLLA, CA 92093 and the phone number is (617) 699-8969.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.