Vivian Tang, MD
NPI 1013275148 · Psychiatry Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Tang, MD is a Psychiatry Physician provider in Torrance, CA (NPI 1013275148).
Provider details
- NPI number
- 1013275148
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 150329 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
50 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $194 |
Typical Medicare-allowed amounts for these services range $194–$194 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Aripiprazole | 78 |
| Clonazepam | 56 |
| Quetiapine Fumarate | 54 |
| Bupropion Hclbrand: Bupropion Xl | 51 |
| Lorazepam | 47 |
| Escitalopram Oxalate | 47 |
| Trazodone Hcl | 37 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-26
- Last updated
- 2020-07-15
- Certified
- 2020-07-15
Frequently asked questions
- What is Vivian Tang's NPI number?
- Vivian Tang's National Provider Identifier (NPI) is 1013275148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Tang's specialty?
- Vivian Tang is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Tang located?
- Vivian Tang's practice location on file with NPPES is 1000 W Carson St # 8, Torrance, CA 90502-2004.
- What is Vivian Tang's phone number?
- The practice phone number listed in the NPPES registry for Vivian Tang is (310) 222-4086.
- Does Vivian Tang accept Medicare?
- Vivian Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Tang's NPI active?
- Yes — Vivian Tang's NPI (1013275148) is active in the NPPES registry as of the last update on 2020-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.