DR. LISA JOAN ZACHAREWICZ M.D.
NPI 1609932045
Internal Medicine in San Francisco, CA

NPI Status: Active since December 29, 2006

Contact Information

24 WILLIE MAYS PLZ
SAN FRANCISCO, CA
ZIP 94107
Phone: (415) 972-2249
Fax: (415) 947-3099

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  • Individual
  • Female
  • Internal Medicine

About LISA ZACHAREWICZ

This page provides the complete NPI Profile along with additional information for Lisa Zacharewicz, an internist established in San Francisco, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1609932045 assigned on December 2006. The practitioner's primary taxonomy code is 207R00000X with license number G079464 (CA). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI
1609932045
Provider Name
DR. LISA JOAN ZACHAREWICZ M.D.
Gender
Female
Entity Type
Individual
Location Address
24 WILLIE MAYS PLZ SAN FRANCISCO, CA 94107
Location Phone
(415) 972-2249
Location Fax
(415) 947-3099
Mailing Address
24 WILLIE MAYS PLZ SAN FRANCISCO, CA 94107
Mailing Phone
(415) 972-2249
Mailing Fax
(415) 947-3099
Is Sole Proprietor?
No
Enumeration Date
12-29-2006
Last Update Date
01-30-2012
Code Navigator

An internist like Lisa Zacharewicz 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
G079464
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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

MDR6H24 (MO)

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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 1609932045, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 9 → 18 → 9 2 → 4 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 + 1 + 8 + 3 + 4 + 0 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1609932045.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Specialist/Technologist (Athletic Trainer)
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Specialist
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Family Medicine
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Family Medicine (Sports Medicine)
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Physician Assistant
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Physician Assistant
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Internal Medicine
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107
Physical Therapist
24 WILLIE MAYS PLZ
SAN FRANCISCO, CA 94107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609932045, enumerated as an "individual" on December 29, 2006.

The provider is located at 24 WILLIE MAYS PLZ SAN FRANCISCO, CA 94107 and the phone number is (415) 972-2249.

Internal Medicine with taxonomy code 207R00000X.