CLARISSA ELIZABETH HARWELL LCSW
NPI 1134652803
Social Worker - Clinical in San Jose, CA
NPI Status: Active since April 09, 2017
Contact Information
2 N MARKET ST STE 300
SAN JOSE, CA
ZIP 95113
Phone: (510) 210-3233
- Individual
- Female
- Social Worker
- Clinical
- Opted-Out Medicare
About CLARISSA HARWELL
This page provides the complete NPI Profile along with additional information for Clarissa Harwell, a provider established in San Jose, California with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1134652803 assigned on April 2017. The practitioner's primary taxonomy code is 1041C0700X with license number 92663 (CA). The provider is registered as an individual and her NPI record was last updated August 2025.
- NPI
- 1134652803
- Provider Name
- CLARISSA ELIZABETH HARWELL LCSW
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2 N MARKET ST STE 300 SAN JOSE, CA 95113
- Location Phone
- (510) 210-3233
- Mailing Address
- 2 NORTH MARKET ST SAN JOSE, CA 95113
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-09-2017
- Last Update Date
- 08-08-2025
- Code Navigator
A clinical social worker like Clarissa Harwell is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Clarissa Harwell opted out of Medicare effective on 04-10-2024 until 04-10-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
Location Map
Secondary Locations
- 2010 El Camino Real 355
Santa Clara, CA 95050
(408) 458-5867
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 Clinical
- Taxonomy Code
- 1041C0700X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 92663
- License State
- CA
- Taxonomy Description
- A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Medicare Participation & PECOS Enrollment Status
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 04-10-2024
Opt-Out End Date: 04-10-2026
Eligible to Order and Refer? No
Reviews for CLARISSA ELIZABETH HARWELL LCSW
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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 | 1 | 3 | 4 | 6 | 5 | 2 | 8 | 0 | 3 |
Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
2 | 1 | 6 | 4 | 12 | 5 | 4 | 8 | 0 | |
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
2 + 1 + 6 + 4 + 1 + 2 + 5 + 4 + 8 + 0 + 24 = 57 | |||||||||
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
60 - 57 = 3 | 3 |
The NPI number 1134652803 is valid because the calculated check digit 3 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 16 providers are registered at the same or nearby location.
NPI | Name / Type | Taxonomy | Address |
---|---|---|---|
1265971808 | KATHERINE ZALOG Individual | Case Manager/Care Coordinator | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 480-9123 |
1366851164 | KORY DEAN DOYLE LIC# 100390 Individual | Marriage & Family Therapist | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 640-2712 |
1710536073 | MENTAL HEALTH SYSTEMS, INC. Organization | Community/Behavioral Health | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (858) 573-2600 |
1538762091 | MS. CATHERINE S FAUSTO RN Individual | Registered Nurse (Psychiatric/Mental Health) | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1679283840 | ALFONSO ALVAREZ Individual | Peer Specialist | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1740029784 | BRENDA L ANGULO LVN Individual | Licensed Vocational Nurse | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1932724317 | HUI C KIM Individual | Registered Nurse (Psychiatric/Mental Health) | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-8292 |
1518635796 | CRUZ SANCHEZ JR. MSW Individual | Social Worker | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1902613557 | MOORE FATMATA CONTEH-GARNETT Individual | Registered Nurse (Psychiatric/Mental Health) | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1962289546 | TANVI SINGH Individual | Community Health Worker | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1417515644 | MRS. KRYSTOVIA EVETH MARQUEZ Individual | Social Worker | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1851901748 | SARAHI BERENICE SANCHEZ Individual | Case Manager/Care Coordinator | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 410-6762 |
1073229449 | CECILIA GARATE VACA Individual | Rehabilitation Practitioner | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1457061434 | RITA MARTINEZ Individual | Rehabilitation Practitioner | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
1649848482 | MS. DANIELLE PATRICE HARRIS RADT-I Individual | Rehabilitation Practitioner | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 480-2246 |
1023990165 | CHRISTIAN DURAND Individual | Registered Nurse (Psychiatric/Mental Health) | 2 N MARKET ST STE 300 SAN JOSE, CA 95113 (510) 210-3233 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134652803, enumerated in the NPI registry as an "individual" on April 09, 2017
The provider is located at 2 N Market St Ste 300 San Jose, Ca 95113 and the phone number is (510) 210-3233
The provider's speciality is Social Worker with taxonomy code 1041C0700X with a focus in Clinical
No, the provider signed an affidavit on April 10, 2024 to opt-out of the Medicare program. The provider is excluded from the Medicare program until April 10, 2026.
This NPI record was last updated on April 09, 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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