Hsin-Chen Liu
NPI 1609353135 · Hospitalist Physician · Montclair, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hsin-Chen Liu is a Hospitalist Physician provider in Montclair, CA (NPI 1609353135).
Provider details
- NPI number
- 1609353135
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 20A17728 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
647 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 381 | $80 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 133 | $175 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 46 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 44 | $120 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 43 | $82 |
Typical Medicare-allowed amounts for these services range $80–$175 (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 |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 41 | 40 |
| Furosemide | 33 | 32 |
| Ciprofloxacin Hcl | 32 | 31 |
| Atorvastatin Calcium | 25 | 23 |
| Levofloxacin | 24 | 23 |
| Pantoprazole Sodium | 23 | 17 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$537 across 41 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-07-27
- Last updated
- 2021-09-28
- Certified
- 2021-09-28
Frequently asked questions
- What is Hsin-Chen Liu's NPI number?
- Hsin-Chen Liu's National Provider Identifier (NPI) is 1609353135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hsin-Chen Liu's specialty?
- Hsin-Chen Liu is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Hsin-Chen Liu located?
- Hsin-Chen Liu's practice location on file with NPPES is 9525 Monte Vista Ave Ste 105, Montclair, CA 91763-2231.
- What is Hsin-Chen Liu's phone number?
- The practice phone number listed in the NPPES registry for Hsin-Chen Liu is (909) 625-1205.
- Does Hsin-Chen Liu accept Medicare?
- Hsin-Chen Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hsin-Chen Liu's NPI active?
- Yes — Hsin-Chen Liu's NPI (1609353135) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.