Brian Lempa, DO
NPI 1891228144 · Psychiatry Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Lempa, DO is a Psychiatry Physician provider in Los Angeles, CA (NPI 1891228144).
Provider details
- NPI number
- 1891228144
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 312652 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
18 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) |
|---|---|---|
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 18 | $161 |
Typical Medicare-allowed amounts for these services range $161–$161 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 73 | 13 |
| Quetiapine Fumarate | 71 | 11 |
| Risperidone | 57 | — |
| Divalproex Sodium | 45 | — |
| Benztropine Mesylate | 41 | — |
| Clonazepam | 38 | — |
| Escitalopram Oxalate | 36 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-04
- Last updated
- 2024-12-24
- Certified
- 2024-12-24
Frequently asked questions
- What is Brian Lempa's NPI number?
- Brian Lempa's National Provider Identifier (NPI) is 1891228144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Lempa's specialty?
- Brian Lempa is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Lempa located?
- Brian Lempa's practice location on file with NPPES is 6200 Wilshire Blvd Ste 1410, Los Angeles, CA 90048-5815.
- What is Brian Lempa's phone number?
- The practice phone number listed in the NPPES registry for Brian Lempa is (925) 282-1778.
- Does Brian Lempa accept Medicare?
- Brian Lempa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Lempa's NPI active?
- Yes — Brian Lempa's NPI (1891228144) is active in the NPPES registry as of the last update on 2024-12-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.