RAFAEL CISNEROS MD
NPI 1992400139
Pathology - Anatomic Pathology & Clinical Pathology in San Francisco, CA

NPI Status: Active since April 04, 2023

Contact Information

1600 DIVISADERO ST
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 476-1000

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  • Individual
  • Male
  • Pathology
  • Anatomic Pathology & Clinical Pathology

About RAFAEL CISNEROS

This page provides the complete NPI Profile along with additional information for Rafael Cisneros, a provider established in San Francisco, California with a medical specialization in Pathology, focusing in anatomic pathology & clinical pathology . The healthcare provider is registered in the NPI registry with number 1992400139 assigned on April 2023. The practitioner's primary taxonomy code is 207ZP0102X with license number A198290 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1992400139
Provider Name
RAFAEL CISNEROS MD
Gender
Male
Entity Type
Individual
Location Address
1600 DIVISADERO ST SAN FRANCISCO, CA 94143
Location Phone
(415) 476-1000
Mailing Address
1600 DIVISADERO ST SAN FRANCISCO, CA 94143
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
04-04-2023
Last Update Date
12-12-2025
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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

Pathology Anatomic Pathology & Clinical Pathology

Taxonomy Code
207ZP0102X
Type
Allopathic & Osteopathic Physicians
License No.
A198290
License State
CA
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

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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 1992400139, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 8 + 0 + 0 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1992400139.

Other Providers at the Same Location


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

Genetic Counselor, MS
1600 DIVISADERO ST, BOX 1695
SAN FRANCISCO, CA 94143
Surgery
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Anesthesiology
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Pathology (Clinical Pathology/Laboratory Medicine)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Pathology (Cytopathology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Pathology (Anatomic Pathology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Pathology (Anatomic Pathology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Nurse Practitioner
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Urology
1600 DIVISADERO ST, BOX 1711
SAN FRANCISCO, CA 94143
Anesthesiology
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology
1600 DIVISADERO ST, 4TH FLOOR
SAN FRANCISCO, CA 94143
Nurse Practitioner
1600 DIVISADERO ST, 4TH FLOOR
SAN FRANCISCO, CA 94143
Internal Medicine
1600 DIVISADERO ST, RM A528
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
1600 DIVISADERO ST, HELEN DILLER COMPREHENSIVE CANCER CENTER - UCSF
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology (Gynecologic Oncology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
1600 DIVISADERO ST, CANCER RISK PROGRAM # 1714
SAN FRANCISCO, CA 94143
Clinic/Center (Genetics)
1600 DIVISADERO ST, BOX 1714
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
1600 DIVISADERO ST, CANCER GENETICS AND PREVENTION PROGRAM, BOX 1714
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992400139, enumerated as an "individual" on April 04, 2023.

The provider is located at 1600 DIVISADERO ST SAN FRANCISCO, CA 94143 and the phone number is (415) 476-1000.

Pathology with taxonomy code 207ZP0102X and a focus in Anatomic Pathology & Clinical Pathology.