VIOLET W NG LCSW
NPI 1528185196
Social Worker - Clinical in San Francisco, CA

NPI Status: Active since March 26, 2007

Contact Information

1520 STOCKTON ST
SAN FRANCISCO, CA
ZIP 94133
Phone: (415) 391-9686
Fax: (415) 292-2030

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  • Individual
  • Female
  • Years of Experience 42
  • Social Worker
  • Clinical
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About VIOLET NG

This page provides the complete NPI Profile along with additional information for Violet Ng, a provider established in San Francisco, California with a medical specialization in Social Worker, focusing in clinical and more than 42 years of experience. The healthcare provider is registered in the NPI registry with number 1528185196 assigned on March 2007. The practitioner's primary taxonomy code is 1041C0700X with license number LCS13417 (CA). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1528185196
Provider Name
VIOLET W NG LCSW
Gender
Female
Entity Type
Individual
Location Address
1520 STOCKTON ST SAN FRANCISCO, CA 94133
Location Phone
(415) 391-9686
Location Fax
(415) 292-2030
Mailing Address
1520 STOCKTON ST SAN FRANCISCO, CA 94133
Mailing Phone
(415) 391-9686
Mailing Fax
(415) 292-2030
Medical School Name
OTHER
Graduation Year
1984
Is Sole Proprietor?
No
Enumeration Date
03-26-2007
Last Update Date
02-22-2017
Code Navigator

A clinical social worker like Violet Ng 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.

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 Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
LCS13417
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
620OTHER (01)SFGH INTERNAL USE ONLY
620OTHER (01)CBHS INTERNAL USE ONLY-COMMERCIAL NUMBER

Medicare Participation & PECOS Enrollment Status

Violet Ng is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Violet Ng is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

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.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 5799724712

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20050428001127

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $0 for a new patient copayment and $21.22 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 94133 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is NA

  • Average New Patient Price $0
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $0
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $84.91
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $21.22
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for VIOLET W NG 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.
1528185196
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
25482810118
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 5 + 4 + 8 + 2 + 8 + 1 + 0 + 1 + 1 + 8 + 24 = 64
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 64 = 66

The NPI number 1528185196 is valid because the calculated check digit 6 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
1023108578DR. HOI YUNG SIT D.D.S.
Individual
Dentist1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 706-9392
1467536607DR. HELEN W YU D.D.S.
Individual
Dentist1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1932284775DR. EMIL NG D.D.S.
Individual
Dentist (General Practice)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1831275908 CORDELIA ACHUCK SAITO DDS
Individual
Dentist (General Practice)1520 STOCKTON ST 4TH FLOOR-DENTAL DEPT.
SAN FRANCISCO, CA 94133
(415) 391-9686
1477631083 EMILY YONG MD
Individual
Internal Medicine1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1780758318MR. RUDOLF S KAO
Individual
Social Worker (Clinical)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1184798159MS. KATRINA ROSE LIU MD
Individual
Pediatrics1520 STOCKTON ST 5TH FLOOR
SAN FRANCISCO, CA 94133
(415) 391-9686
1326112327MS. OLIN LAU FNP
Individual
Nurse Practitioner (Family)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1730253709MS. SOFIA PAN MD
Individual
Pediatrics1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1548334501MS. BONNIE M CHU RD
Individual
Dietitian, Registered1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1922172998DR. CLETUS CHI CHEN D.D.S.
Individual
Dentist1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1649347816MRS. HELEN K LU
Individual
Pediatrics1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1568669752 EVELYN LOUIE RN
Individual
Registered Nurse (College Health)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1619174869 ELLEN LUM RN
Individual
Registered Nurse (Community Health)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1083811244 AMY LI
Individual
Student in an Organized Health Care Education/Training Program1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1053518217 SHIRLEY CHIANG
Individual
Student in an Organized Health Care Education/Training Program1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1306043567 SAN-MEI YEH RN,CDE
Individual
Registered Nurse (Community Health)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1588861736 STEPHANIE SIT RN
Individual
Registered Nurse (Community Health)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1427255686 LORRAINE MA
Individual
Student in an Organized Health Care Education/Training Program1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686
1689871881 DORIS LAM RN
Individual
Registered Nurse (Community Health)1520 STOCKTON ST
SAN FRANCISCO, CA 94133
(415) 391-9686

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528185196, enumerated in the NPI registry as an "individual" on March 26, 2007

The provider is located at 1520 Stockton St San Francisco, Ca 94133 and the phone number is (415) 391-9686

The provider's speciality is Social Worker with taxonomy code 1041C0700X with a focus in Clinical

The provider has more than 42 years of experience.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

Medicare beneficiaries should expect a typical cost of $0 with an average copayment of $0 for new patient appointments. Established patients should expect a typical charge of $84.91 and an average copayment of 21.22. Please review your insurance plan or contact the provider directly to determine your specific costs.

This NPI record was last updated on March 26, 2007. 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].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.