Thinh Mai, MD
NPI 1558505750 · Psychiatry Physician · Los Gatos, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thinh Mai, MD is a Psychiatry Physician provider in Los Gatos, CA (NPI 1558505750).
Provider details
- NPI number
- 1558505750
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A107289 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
527 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 221 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 | $110 |
| Psychiatric Services Complicated By Communication Factor90785 | 90 | $17 |
Typical Medicare-allowed amounts for these services range $17–$110 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 262 | 41 |
| Risperidone | 199 | 27 |
| Clonazepam | 196 | 29 |
| Olanzapine | 194 | 31 |
| Trazodone Hcl | 138 | 22 |
| Sertraline Hcl | 133 | 27 |
| Aripiprazole | 129 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,312 across 233 records (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
- 2009-05-01
- Last updated
- 2023-05-05
- Certified
- 2023-05-05
Frequently asked questions
- What is Thinh Mai's NPI number?
- Thinh Mai's National Provider Identifier (NPI) is 1558505750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thinh Mai's specialty?
- Thinh Mai is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Thinh Mai located?
- Thinh Mai's practice location on file with NPPES is 61 Victory Ln Ste a, Los Gatos, CA 95030-5920.
- What is Thinh Mai's phone number?
- The practice phone number listed in the NPPES registry for Thinh Mai is (408) 363-6533.
- Does Thinh Mai accept Medicare?
- Thinh Mai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thinh Mai's NPI active?
- Yes — Thinh Mai's NPI (1558505750) is active in the NPPES registry as of the last update on 2023-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.