I-Mei Hsiu, M.D.
NPI 1841392594 · Family Medicine Physician · Elk Grove, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
I-Mei Hsiu, M.D. is a Family Medicine Physician provider in Elk Grove, CA (NPI 1841392594).
Provider details
- NPI number
- 1841392594
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A66077 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
555 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 182 | $133 |
| Administration of Influenza Virus VaccineG0008 | 105 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 94 | $46 |
| 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 | 78 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 272 | 80 |
| Levothyroxine Sodium | 182 | 49 |
| Amlodipine Besylate | 177 | 54 |
| Losartan Potassium | 165 | 45 |
| Lisinopril | 147 | 43 |
| Gabapentin | 144 | 43 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2015-07-28
Frequently asked questions
- What is I-Mei Hsiu's NPI number?
- I-Mei Hsiu's National Provider Identifier (NPI) is 1841392594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is I-Mei Hsiu's specialty?
- I-Mei Hsiu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is I-Mei Hsiu located?
- I-Mei Hsiu's practice location on file with NPPES is 8170 Laguna Blvd, Elk Grove, CA 95758-7901.
- What is I-Mei Hsiu's phone number?
- The practice phone number listed in the NPPES registry for I-Mei Hsiu is (916) 691-5900.
- Does I-Mei Hsiu accept Medicare?
- I-Mei Hsiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is I-Mei Hsiu's NPI active?
- Yes — I-Mei Hsiu's NPI (1841392594) is active in the NPPES registry as of the last update on 2015-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.