Erika Hsu, MD
NPI 1801390810 · Psychiatry Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erika Hsu, MD is a Psychiatry Physician provider in Los Angeles, CA (NPI 1801390810).
Provider details
- NPI number
- 1801390810
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
20 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $177 |
Typical Medicare-allowed amounts for these services range $177–$177 (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.
Practice location
Mailing address
Additional practice locations (2)
- 2116 Arlington AveLos Angeles, CA 90018-1353Phone: (323) 334-9000
- 757 Westwood PlzLos Angeles, CA 90095-8358Phone: (310) 825-0018
Registry dates
- Enumerated
- 2018-03-23
- Last updated
- 2022-07-13
- Certified
- 2022-07-13
Frequently asked questions
- What is Erika Hsu's NPI number?
- Erika Hsu's National Provider Identifier (NPI) is 1801390810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erika Hsu's specialty?
- Erika Hsu is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Erika Hsu located?
- Erika Hsu's practice location on file with NPPES is 300 Ucla Medical Plz Ste 2200, Los Angeles, CA 90095-1353.
- What is Erika Hsu's phone number?
- The practice phone number listed in the NPPES registry for Erika Hsu is (310) 825-9989.
- Does Erika Hsu accept Medicare?
- Erika Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erika Hsu's NPI active?
- Yes — Erika Hsu's NPI (1801390810) is active in the NPPES registry as of the last update on 2022-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.