DR. EVALYN HOROWITZ M.D.
NPI 1295930188
Internal Medicine - Infectious Disease in Ione, CA

NPI Status: Active since June 19, 2007

Contact Information

4001 CALIFORNIA 104
IONE, CA
ZIP 95640
Phone: (209) 274-4911

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  • Individual
  • Female
  • Internal Medicine
  • Infectious Disease

About EVALYN HOROWITZ

This page provides the complete NPI Profile along with additional information for Evalyn Horowitz, an internist established in Ione, California with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1295930188 assigned on June 2007. The practitioner's primary taxonomy code is 207RI0200X with license number C36876 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1295930188
Provider Name
DR. EVALYN HOROWITZ M.D.
Other Name
DR. EVALYN HOROWITZ SPITZE M.D.
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
4001 CALIFORNIA 104 IONE, CA 95640
Location Phone
(209) 274-4911
Mailing Address
PO BOX 956 ELK GROVE, CA 95759
Mailing Phone
(916) 689-2053
Mailing Fax
Is Sole Proprietor?
Yes
Enumeration Date
06-19-2007
Last Update Date
03-07-2023
Code Navigator

An internist like Evalyn Horowitz 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
C36876
License State
CA
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

C36876 (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 1295930188, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 8 + 3 + 0 + 1 + 1 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1295930188.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Psychologist (Clinical)
4001 CALIFORNIA 104
IONE, CA 95640

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295930188, enumerated as an "individual" on June 19, 2007.

The provider is located at 4001 CALIFORNIA 104 IONE, CA 95640 and the phone number is (209) 274-4911.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.