Johanan Hsu, M.D.
NPI 1265868418 · Family Medicine Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johanan Hsu, M.D. is a Family Medicine Physician provider in Sugar Land, TX (NPI 1265868418).
Provider details
- NPI number
- 1265868418
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- Q8511 (TX)
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 tenure25% of score
12 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
1,213 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 378 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 273 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 266 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 142 | $87 |
| Administration of Influenza Virus VaccineG0008 | 48 | $31 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians a |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 599 | 173 |
| Amlodipine Besylate | 438 | 122 |
| Levothyroxine Sodium | 249 | 68 |
| Losartan Potassium | 235 | 71 |
| Metformin Hclbrand: Metformin Hcl Er | 230 | 71 |
| Rosuvastatin Calcium | 227 | 73 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,566 across 139 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
- 2013-09-19
- Last updated
- 2017-10-23
Frequently asked questions
- What is Johanan Hsu's NPI number?
- Johanan Hsu's National Provider Identifier (NPI) is 1265868418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanan Hsu's specialty?
- Johanan Hsu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Johanan Hsu located?
- Johanan Hsu's practice location on file with NPPES is 16605 Southwest Fwy, Sugar Land, TX 77479-3501.
- What is Johanan Hsu's phone number?
- The practice phone number listed in the NPPES registry for Johanan Hsu is (281) 275-0800.
- Does Johanan Hsu accept Medicare?
- Johanan Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johanan Hsu's NPI active?
- Yes — Johanan Hsu's NPI (1265868418) is active in the NPPES registry as of the last update on 2017-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.