Lucy Hsu, N.P.
NPI 1013188333 · Psychiatric/Mental Health Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lucy Hsu, N.P. is a Psychiatric/Mental Health Nurse Practitioner provider in San Francisco, CA (NPI 1013188333).
Provider details
- NPI number
- 1013188333
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 17431 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
94 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 36 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $93 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 29 | $138 |
Typical Medicare-allowed amounts for these services range $63–$138 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 59 | 13 |
| Quetiapine Fumarate | 46 | — |
| Gabapentin | 36 | — |
| Hydroxyzine Hcl | 32 | 17 |
| Aripiprazole | 23 | — |
| Sertraline Hcl | 17 | — |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-13
- Last updated
- 2008-03-13
Frequently asked questions
- What is Lucy Hsu's NPI number?
- Lucy Hsu's National Provider Identifier (NPI) is 1013188333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lucy Hsu's specialty?
- Lucy Hsu is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lucy Hsu located?
- Lucy Hsu's practice location on file with NPPES is 245 11th St, San Francisco, CA 94103-3732.
- What is Lucy Hsu's phone number?
- The practice phone number listed in the NPPES registry for Lucy Hsu is (415) 353-0115.
- Does Lucy Hsu accept Medicare?
- Lucy Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lucy Hsu's NPI active?
- Yes — Lucy Hsu's NPI (1013188333) is active in the NPPES registry as of the last update on 2008-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.