MS. JANE JOLINDON ALFONSO
NPI 1720212384
Marriage & Family Therapist in Lafayette, CA
NPI Status: Active since May 12, 2009
Contact Information
3470 MT DIABLO BLVD STE 200
LAFAYETTE, CA
ZIP 94549
Phone: (415) 806-4253
- Individual
- Female
- Marriage & Family Therapist
About JANE ALFONSO
This page provides the complete NPI Profile along with additional information for Jane Alfonso, a provider established in Lafayette, California with a medical specialization in Marriage & Family Therapist. The healthcare provider is registered in the NPI registry with number 1720212384 assigned on May 2009. The practitioner's primary taxonomy code is 106H00000X with license number 85852 (CA). The provider is registered as an individual and her NPI record was last updated July 2025.
- NPI
- 1720212384
- Provider Name
- MS. JANE JOLINDON ALFONSO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3470 MT DIABLO BLVD STE 200 LAFAYETTE, CA 94549
- Location Phone
- (415) 806-4253
- Mailing Address
- 1280 MISSION RD SOUTH SAN FRANCISCO, CA 94080
- Mailing Phone
- (415) 602-4614
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-12-2009
- Last Update Date
- 07-08-2025
- Code Navigator
A marriage and family therapist like Jane Alfonso help patients manage problems with their family and other relationships. Marriage and family therapists encourage clients to discuss their emotions and experiences and, develop strategies and skills to change behavior and cope with difficult situations. Many therapists apply cognitive behavioral therapy to help patients understand harmful thoughts, feelings, and also teach patients how to replace them with positive, life-enhancing ones.
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
Marriage & Family Therapist
- Taxonomy Code
- 106H00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 85852
- License State
- CA
- Taxonomy Description
- A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
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 | 101YM0800X | Behavioral Health & Social Service Providers | Counselor | IMF57140 (CA) |
| 3 | 106H00000X | Behavioral Health & Social Service Providers | Marriage & Family Therapist | IMF57140 (CA) |
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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 | 2 | 1 | 2 | 3 | 8 | 4 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 7 | 4 | 0 | 4 | 1 | 4 | 3 | 16 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 7 + 4 + 0 + 4 + 1 + 4 + 3 + 1 + 6 + 24 = 56 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 56 = 4 | 4 | ||||||||
The NPI number 1720212384 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720212384, enumerated as an "individual" on May 12, 2009.
The provider is located at 3470 MT DIABLO BLVD STE 200 LAFAYETTE, CA 94549 and the phone number is (415) 806-4253.
Marriage & Family Therapist with taxonomy code 106H00000X.
