SHIRLEY CHAN SANCHEZ MD
NPI 1225826084
Student in an Organized Health Care Education/Training Program in San Francisco, CA

NPI Status: Active since April 30, 2025

Contact Information

1975 4TH ST
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-3000

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  • Individual
  • Female
  • Student in an Organized Health Care Educ...

About SHIRLEY CHAN SANCHEZ

This page provides the complete NPI Profile along with additional information for Shirley Chan Sanchez, a primary care provider established in San Francisco, California with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1225826084 assigned on April 2025. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1225826084
Provider Name
SHIRLEY CHAN SANCHEZ MD
Gender
Female
Entity Type
Individual
Location Address
1975 4TH ST SAN FRANCISCO, CA 94143
Location Phone
(415) 353-3000
Mailing Address
1633 QUINTA DEL SOL EL PASO, TX 79911
Mailing Phone
(915) 504-9610
Is Sole Proprietor?
Yes
Enumeration Date
04-30-2025
Last Update Date
05-02-2025
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A primary care provider (PCP) like Shirley Chan Sanchez sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1225826084, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 8 → 16 → 7 6 → 12 → 3 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 + 4 + 5 + 1 + 6 + 2 + 1 + 2 + 0 + 1 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1225826084.

Other Providers at the Same Location


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

Speech-Language Pathologist
1975 4TH ST, REHABILITATIVE SERVICES, BOX 4050
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1975 4TH ST, 6C PEDIATRIC BMT
SAN FRANCISCO, CA 94143
Physical Therapist
1975 4TH ST
SAN FRANCISCO, CA 94143
Physical Therapist
1975 4TH ST
SAN FRANCISCO, CA 94143
General Acute Care Hospital (Children)
1975 4TH ST, BOX 550
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1975 4TH ST, UCSF, PEDIATRIC BONE MARROW TRANSPLANT
SAN FRANCISCO, CA 94143
Nurse Practitioner
1975 4TH ST, 4TH FLOOR
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST, UCSF BOX 0117
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST, BOX 4012
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Neonatal, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Perfusionist
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics, Critical Care)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1975 4TH ST
SAN FRANCISCO, CA 94143
Acupuncturist
1975 4TH ST
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225826084, enumerated as an "individual" on April 30, 2025.

The provider is located at 1975 4TH ST SAN FRANCISCO, CA 94143 and the phone number is (415) 353-3000.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.