NPPES file of Aug 9, 2026

Lucy Dreng Hsu, N.P.

Psychiatric/Mental Health Nurse Practitioner · San Francisco, CA

Lucy Dreng Hsu, N.P. is a psychiatric/mental health nurse practitioner with a practice address in San Francisco, California, and NPI 1013188333, issued on Mar 13, 2008. Check the license (California 17431, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013188333
Name
Lucy Dreng Hsu
Credential
N.P.
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
17431 CA
Self-reported in NPPES; status is on the state search
Practice location
245 11TH St, San Francisco, CA 94103
Phone
(415) 353-0115
Enumerated
Mar 13, 2008
Record last updated
Mar 13, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(415) 353-5059
Medicare enrollment
Enrolled (PECOS I20090827000819); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 245 11TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Antonia Airozo, MAMental Health Counselor1194946509
  2. Malaika AlertPsychiatric/Mental Health Nurse Practitioner1679242481
  3. Sheetal AnandStudent in an Organized Health Care Education/Training Program1508159419
  4. Tiffany AndradeCommunity Health Worker1215498670
  5. Adrienne AngelStudent in an Organized Health Care Education/Training Program1609169515
  6. Andrea ArnoldSpecialist1043700156

Verify Lucy Dreng Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 17431    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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47% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

482 Medicare Part D claims for 58 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Lucy Hsu482
  2. Specialty average906

Most prescribed

  1. Bupropion Xl59 claims
  2. Quetiapine Fumarate46 claims
  3. Gabapentin36 claims
  4. Hydroxyzine Hcl32 claims
  5. Aripiprazole23 claims
  6. Sertraline Hcl17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Westside Community Mental Health CenterSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lucy Dreng Hsu among 4,226 psychiatric/mental health nurse practitioner records in California

Lucy Dreng Hsu, N.P. is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 7% of them.

  • NPI issued2008 · 7% of these records are older, 91% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2007 · median 2021 among the 1,965 with a school on file
  • Record last updated2008 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California.

All 4,226 in California → Every provider in San Francisco → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Malaika AlertSan Francisco, CA 941031679242481
  2. Clarissa Bush, NPSan Francisco, CA 941031174878151
  3. Maria CellesSan Francisco, CA 941031912377573
  4. Kathleen Gilligan, RN, NPSan Francisco, CA 941031962834150
  5. Ethan HuffmanSan Francisco, CA 941031609473735
  6. Marcella Johnson-Santana, NPSan Francisco, CA 941031740659242
  7. Emilio Orozco, NPSan Francisco, CA 941031225165822
  8. Yvonne Piper, R.N., N.P.San Francisco, CA 941031447596432

Common questions

What is Lucy Dreng Hsu, N.P.'s NPI number?

Lucy Dreng Hsu, N.P.'s National Provider Identifier (NPI) is 1013188333, issued on Mar 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lucy Dreng Hsu, N.P. located?

The NPPES record lists a practice address at 245 11TH St, San Francisco, CA, 94103. Phone: (415) 353-0115. Providers update this record themselves, so call before visiting.

How can I verify Lucy Dreng Hsu, N.P.'s license?

NPPES lists California license number 17431, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lucy Dreng Hsu, N.P. prescribe under Medicare Part D?

In 2024, Lucy Dreng Hsu, N.P. had 482 Medicare Part D claims for 58 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.