YSABELLA RACELI DE GUZMAN RIVERA
NPI 1780521146
Student in an Organized Health Care Education/Training Program in Oakland, CA

NPI Status: Active since May 02, 2026

Contact Information

1411 E 31ST STREET
QIC 22134
OAKLAND, CA
ZIP 94602
Phone: (510) 437-4401

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

About YSABELLA RACELI RIVERA

This page provides the complete NPI Profile along with additional information for Ysabella Raceli Rivera, a primary care provider established in Oakland, 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 1780521146 assigned on May 2026. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1780521146
Provider Name
YSABELLA RACELI DE GUZMAN RIVERA
Gender
Female
Entity Type
Individual
Location Address
1411 E 31ST STREET QIC 22134 OAKLAND, CA 94602
Location Phone
(510) 437-4401
Mailing Address
1411 E 31ST STREET QIC 22134 OAKLAND, CA 94602
Mailing Phone
(510) 437-4401
Is Sole Proprietor?
Yes
Enumeration Date
05-02-2026
Last Update Date
05-11-2026
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A primary care provider (PCP) like Ysabella Raceli Rivera 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 1780521146, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
Check
6
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 8 → 16 → 7 5 → 10 → 1 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 0 + 2 + 2 + 1 + 8 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1780521146.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Pediatrics (Neonatal-Perinatal Medicine)
1411 E 31ST STREET, OAK CARE MED GRP
OAKLAND, CA 94602
Allergy & Immunology
1411 E 31ST STREET
OAKLAND, CA 94602
Obstetrics & Gynecology
1411 E 31ST STREET, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Internal Medicine
1411 E 31ST STREET, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Internal Medicine (Infectious Disease)
1411 E 31ST STREET, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Obstetrics & Gynecology
1411 E 31ST STREET, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Internal Medicine (Gastroenterology)
1411 E 31ST STREET, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Pediatrics
1411 E 31ST STREET, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Social Worker (Clinical)
1411 E 31ST STREET
OAKLAND, CA 94602
Social Worker (Clinical)
1411 E 31ST STREET
OAKLAND, CA 94602
Nurse Anesthetist, Certified Registered
1411 E 31ST STREET
OAKLAND, CA 94602
Surgery
1411 E 31ST STREET
OAKLAND, CA 94602
General Acute Care Hospital
1411 E 31ST STREET
OAKLAND, CA 94602
Student in an Organized Health Care Education/Training Program
1411 E 31ST STREET, 2ND FLR A2
OAKLAND, CA 94602
Student in an Organized Health Care Education/Training Program
1411 E 31ST STREET, 2ND FLR A2
OAKLAND, CA 94602
General Acute Care Hospital
1411 E 31ST STREET
OAKLAND, CA 94602
Student in an Organized Health Care Education/Training Program
1411 E 31ST STREET, QIC 22134 DEPT OF SURGERY
OAKLAND, CA 94602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780521146, enumerated as an "individual" on May 02, 2026.

The provider is located at 1411 E 31ST STREET QIC 22134 OAKLAND, CA 94602 and the phone number is (510) 437-4401.

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