RONALDO VICTORIANO ALONZO
NPI 1902111263
Case Manager/Care Coordinator in Fresno, CA
NPI Status: Active since August 11, 2010
Contact Information
3127 N MILLBROOK AVE
FRESNO, CA
ZIP 93703
Phone: (559) 453-1008
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Case Manager/Care Coordinator
About RONALDO ALONZO
This page provides the complete NPI Profile along with additional information for Ronaldo Alonzo, a provider established in Fresno, California with a medical specialization in Case Manager/care Coordinator. The healthcare provider is registered in the NPI registry with number 1902111263 assigned on August 2010. The practitioner's primary taxonomy code is 171M00000X. The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1902111263
- Provider Name
- RONALDO VICTORIANO ALONZO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3127 N MILLBROOK AVE FRESNO, CA 93703
- Location Phone
- (559) 453-1008
- Mailing Address
- 4411 E CESAR CHAVEZ BLVD FRESNO, CA 93702
- Mailing Phone
- (559) 453-1008
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-11-2010
- Last Update Date
- 05-26-2026
- Code Navigator
Location Map
Secondary Locations
- 3141 N. Millbrook Ave.
Fresno, CA 93703
(559) 453-1008 - 1788 Celeste Ave
Clovis, CA 93611
(559) 297-7336 - 3138 W Barstow Ave
Fresno, CA 93711
(559) 243-7002 - 2291 N Hazel Ave
Fresno, CA 93722
(559) 243-7002 - 3147 N. Millbrook
fresno, CA 93703
(559) 453-1008 - 4411 E Kings Canyon Rd
Fresno, CA 93702
(559) 453-1008
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
Case Manager/Care Coordinator
- Taxonomy Code
- 171M00000X
- Type
- Other Service Providers
- License State
- CA
- Taxonomy Description
- A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.
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) |
|---|---|---|---|---|
| 1 | 101Y00000X | Behavioral Health & Social Service Providers | Counselor | |
| 2 | 104100000X | Behavioral Health & Social Service Providers | Social Worker | |
| 3 | 171M00000X | Other Service Providers | Case Manager/Care Coordinator | |
| 4 | 172V00000X | Other Service Providers | Community Health Worker |
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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 1902111263, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 47 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
FRESNO, CA 93703
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902111263, enumerated as an "individual" on August 11, 2010.
The provider is located at 3127 N MILLBROOK AVE FRESNO, CA 93703 and the phone number is (559) 453-1008.
Case Manager/Care Coordinator with taxonomy code 171M00000X.
