MONICA CRYSTAL ARREDONDO
NPI 1720595655
Social Worker in Upland, CA
NPI Status: Active since December 31, 2017
Contact Information
1425 W FOOTHILL BLVD
UPLAND, CA
ZIP 91786
Phone: (909) 538-0982
- Individual
- Female
- Social Worker
About MONICA ARREDONDO
This page provides the complete NPI Profile along with additional information for Monica Arredondo, a provider established in Upland, California with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1720595655 assigned on December 2017. The practitioner's primary taxonomy code is 104100000X with license number ASW109748 (CA). The provider is registered as an individual and her NPI record was last updated August 2025.
- NPI
- 1720595655
- Provider Name
- MONICA CRYSTAL ARREDONDO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1425 W FOOTHILL BLVD UPLAND, CA 91786
- Location Phone
- (909) 538-0982
- Mailing Address
- 25910 ACERO STE 160 MISSION VIEJO, CA 92691
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-31-2017
- Last Update Date
- 08-28-2025
- Code Navigator
A social worker like Monica Arredondo helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.
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
Social Worker
- Taxonomy Code
- 104100000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- ASW109748
- License State
- CA
- Taxonomy Description
- A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
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 | 101YM0800X | Behavioral Health & Social Service Providers | Counselor | ASW109748 (CA) |
| 2 | 171M00000X | Other Service Providers | Case Manager/Care Coordinator | |
| 3 | 225400000X | Respiratory, Developmental, Rehabilitative and Restorative Service Providers | Rehabilitation Practitioner |
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 7 | 2 | 0 | 5 | 9 | 5 | 6 | 5 | 5 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 7 | 4 | 0 | 10 | 9 | 10 | 6 | 10 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 7 + 4 + 0 + 1 + 0 + 9 + 1 + 0 + 6 + 1 + 0 + 24 = 55 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 55 = 5 | 5 | ||||||||
The NPI number 1720595655 is valid because the calculated check digit 5 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 18 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1588215834 | SHYANNE LYNN BENJAMIN Individual | Case Manager/Care Coordinator | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1619331907 | JOZABETH CASILLAS M.S., LMFT Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 993-4267 |
| 1174167563 | MR. ANDY MORALES JR. Individual | Counselor (Mental Health) | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1003366113 | TANYA TOBING Individual | Community Health Worker | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 522-2650 |
| 1083953830 | DEBORAH RODRIGUEZ Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 202-9982 |
| 1083734115 | ADRIANA SAMANO LMFT Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (323) 526-4016 |
| 1477685295 | YVONNE RESENDEZ LMFT Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 980-6700 |
| 1992158307 | CRYSTALINA ALVAREZ LMFT Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1295308542 | ANGIE MEZA RODRIGUEZ Individual | Case Manager/Care Coordinator | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1740696426 | VISHA HAREN GANDHI Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1487030862 | BLAKE ELDON CRAWFORD Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 980-6700 |
| 1629537618 | URIAH WARNER Individual | Social Worker | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 980-6700 |
| 1649787094 | MRS. JOANN MESHAMEL Individual | Marriage & Family Therapist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1225688807 | DAISY ARLENE CAMBERO Individual | Rehabilitation Practitioner | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1255783395 | JASMIN BURGOS Individual | Rehabilitation Practitioner | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 260-8456 |
| 1023681459 | VIOLETA JAZMIN DIAZ Individual | Peer Specialist | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
| 1659931095 | TERESA CONSEPCION ORTIZJIMENEZ Individual | Rehabilitation Practitioner | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (909) 600-9519 |
| 1790934586 | MR. TOMAS VILLALPANDO CASE MANAGER Individual | Rehabilitation Practitioner | 1425 W FOOTHILL BLVD UPLAND, CA 91786 (877) 527-7227 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720595655, enumerated in the NPI registry as an "individual" on December 31, 2017
The provider is located at 1425 W Foothill Blvd Upland, Ca 91786 and the phone number is (909) 538-0982
The provider's speciality is Social Worker with taxonomy code 104100000X
This NPI record was last updated on December 31, 2017. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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