Lulu Tsai, M.D.
NPI 1811109952 · Psychiatry Physician · Redmond, OR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lulu Tsai, M.D. is a Psychiatry Physician provider in Redmond, OR (NPI 1811109952).
Provider details
- NPI number
- 1811109952
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD26330 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
348 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 333 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $164 |
Typical Medicare-allowed amounts for these services range $123–$164 (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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 492 | 85 |
| Clonazepam | 459 | 71 |
| Quetiapine Fumarate | 444 | 76 |
| Trazodone Hcl | 330 | 75 |
| Duloxetine Hcl | 317 | 74 |
| Lorazepam | 271 | 45 |
| Lamotrigine | 242 | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2010-03-01
Frequently asked questions
- What is Lulu Tsai's NPI number?
- Lulu Tsai's National Provider Identifier (NPI) is 1811109952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lulu Tsai's specialty?
- Lulu Tsai is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Lulu Tsai located?
- Lulu Tsai's practice location on file with NPPES is 1810 Se First Street, Redmond, OR 97756-1420.
- What is Lulu Tsai's phone number?
- The practice phone number listed in the NPPES registry for Lulu Tsai is (541) 350-2408.
- Does Lulu Tsai accept Medicare?
- Lulu Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lulu Tsai's NPI active?
- Yes — Lulu Tsai's NPI (1811109952) is active in the NPPES registry as of the last update on 2010-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.