MR. ROBERT ANTHONY WILLIAMS II ACSW
NPI 1093501231
Social Worker in San Francisco, CA
NPI Status: Active since April 15, 2025
Contact Information
1309 EVANS AVE
SAN FRANCISCO, CA
ZIP 94124
Phone: (628) 754-9856
- Individual
- Male
- Social Worker
About ROBERT WILLIAMS II
This page provides the complete NPI Profile along with additional information for Robert Williams Ii, a provider established in San Francisco, California with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1093501231 assigned on April 2025. The practitioner's primary taxonomy code is 104100000X with license number 92866 (CA). The provider is registered as an individual and his NPI record was last updated April 2025.
- NPI
- 1093501231
- Provider Name
- MR. ROBERT ANTHONY WILLIAMS II ACSW
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1309 EVANS AVE SAN FRANCISCO, CA 94124
- Location Phone
- (628) 754-9856
- Mailing Address
- 1309 EVANS AVE SAN FRANCISCO, CA 94124
- Mailing Phone
- (628) 754-9856
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-15-2025
- Last Update Date
- 04-16-2025
- Code Navigator
A social worker like Robert Williams Ii 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.
- 92866
- 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.
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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 | 0 | 9 | 3 | 5 | 0 | 1 | 2 | 3 | 1 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 0 | 18 | 3 | 10 | 0 | 2 | 2 | 6 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 0 + 1 + 8 + 3 + 1 + 0 + 0 + 2 + 2 + 6 + 24 = 49 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 50 - 49 = 1 | 1 | ||||||||
The NPI number 1093501231 is valid because the calculated check digit 1 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1124193404 | CHRISTOPHER VINCENT LOVOY ACSW Individual | Social Worker (Clinical) | 1309 EVANS AVE 2ND FLOOR SAN FRANCISCO, CA 94124 (415) 206-7612 |
| 1659433316 | MRS. TANISHA LASHA HOGAN BSW Individual | Counselor (Mental Health) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7622 |
| 1366506198 | CHAZ JULIUS OWENS Individual | Counselor | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1124181383 | TROY ALEXANDER ROBERTS Individual | Counselor (Mental Health) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7608 |
| 1043374770 | MR. JULIAN LESSING PHILIPP MFT Individual | Marriage & Family Therapist | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7655 |
| 1932263803 | MR. EDDIE ARNOLD PEREZ Individual | Counselor (Mental Health) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1679630917 | TIONA BOSTICK Individual | Social Worker | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7610 |
| 1417004268 | LISA WINCH MSW, LCSW Individual | Social Worker (Clinical) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1275682130 | MABEL W JUNG RN, MSN Individual | Registered Nurse (Psychiatric/Mental Health, Adult) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7636 |
| 1407905342 | MS. SUSAN RIVA ENTEEN JD Individual | Counselor (Mental Health) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7605 |
| 1093864464 | MR. CORNELIUS DOHERTY LSCW Individual | Social Worker (Clinical) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (510) 325-1846 |
| 1871642397 | MS. DEBRA JOAN HINES R.N., P.H.N. Individual | Registered Nurse (Case Management) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7639 |
| 1841341773 | MS. GINGER MARIE HOLMAN L.C.S.W. Individual | Social Worker (Clinical) | 1309 EVANS AVE 2ND FLOOR SAN FRANCISCO, CA 94124 (415) 519-2605 |
| 1811109481 | JORDAN ISAAC WIGGINS Individual | Counselor | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1528277142 | VIOLET PERKINS Individual | Case Manager/Care Coordinator | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1073703674 | MS. LINDA BAILEY Individual | Counselor (Mental Health) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1952592446 | MISS MISAEL VARGAS Individual | Counselor (Mental Health) | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7622 |
| 1336325661 | HIU FUNG BOWIE LUK Individual | Case Manager/Care Coordinator | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7664 |
| 1144496977 | MR. ROBERT RAMON DILLARD Individual | Case Manager/Care Coordinator | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7600 |
| 1134372493 | CLEMENCIA CARDOZA Individual | Case Manager/Care Coordinator | 1309 EVANS AVE SAN FRANCISCO, CA 94124 (415) 206-7643 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1093501231, enumerated in the NPI registry as an "individual" on April 15, 2025
The provider is located at 1309 Evans Ave San Francisco, Ca 94124 and the phone number is (628) 754-9856
The provider's speciality is Social Worker with taxonomy code 104100000X
This NPI record was last updated on April 15, 2025. 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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