Josephine Hwu, MD
NPI 1194170894 · Nephrology Physician · Alhambra, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josephine Hwu, MD is a Nephrology Physician provider in Alhambra, CA (NPI 1194170894).
Provider details
- NPI number
- 1194170894
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A154264 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
1,986 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 50 Minutes99233 | 1,011 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 655 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 141 | $135 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $139 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 40 | $179 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 58 | 19 |
| Losartan Potassium | 44 | 12 |
| Pantoprazole Sodium | 36 | — |
| Atorvastatin Calcium | 35 | 11 |
| Carvedilol | 26 | — |
| Furosemide | 25 | 11 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$167 across 4 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
- 2016-05-01
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Josephine Hwu's NPI number?
- Josephine Hwu's National Provider Identifier (NPI) is 1194170894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephine Hwu's specialty?
- Josephine Hwu is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Josephine Hwu located?
- Josephine Hwu's practice location on file with NPPES is 1027 E Main St, Alhambra, CA 91801-4154.
- What is Josephine Hwu's phone number?
- The practice phone number listed in the NPPES registry for Josephine Hwu is (626) 280-0676.
- Does Josephine Hwu accept Medicare?
- Josephine Hwu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josephine Hwu's NPI active?
- Yes — Josephine Hwu's NPI (1194170894) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.