Zhaijun Fan, DO
NPI 1124225578 · Family Medicine Physician · South Bend, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zhaijun Fan, DO is a Family Medicine Physician provider in South Bend, IN (NPI 1124225578).
Provider details
- NPI number
- 1124225578
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 02003570A (IN)
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
451 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 | 152 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $84 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 43 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 36 | $41 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 35 | $103 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 86 | 85 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 83 | 82 |
| Prednisone | 79 | 78 |
| Doxycycline Monohydrate | 66 | 65 |
| Azithromycin | 25 | 25 |
| Diclofenac Sodium | 25 | 25 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 18 |
Practice location
Mailing address
Additional practice locations (2)
- 3301 County Road 6 EElkhart, IN 46514-7673Phone: (574) 266-5342Fax: (574) 266-5847
- 6913 N Main StGranger, IN 46530-8039Phone: (574) 647-1500Fax: (574) 243-4306
Registry dates
- Enumerated
- 2007-06-29
- Last updated
- 2021-04-01
- Certified
- 2021-04-01
Frequently asked questions
- What is Zhaijun Fan's NPI number?
- Zhaijun Fan's National Provider Identifier (NPI) is 1124225578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zhaijun Fan's specialty?
- Zhaijun Fan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zhaijun Fan located?
- Zhaijun Fan's practice location on file with NPPES is 1815 E Ireland Rd, South Bend, IN 46614-2845.
- What is Zhaijun Fan's phone number?
- The practice phone number listed in the NPPES registry for Zhaijun Fan is (574) 647-1750.
- Does Zhaijun Fan accept Medicare?
- Zhaijun Fan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zhaijun Fan's NPI active?
- Yes — Zhaijun Fan's NPI (1124225578) is active in the NPPES registry as of the last update on 2021-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.