Shijun Xi, M.D.
NPI 1407130636 · Allergy & Immunology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shijun Xi, M.D. is a Allergy & Immunology Physician provider in Los Angeles, CA (NPI 1407130636).
Provider details
- NPI number
- 1407130636
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 117986 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
1,019 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) |
|---|---|---|
| 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 | 306 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 150 | $153 |
| 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 | 138 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diphenhydramine Hcl | 281 | — |
| Montelukast Sodium | 163 | 44 |
| Cetirizine Hclbrand: Quzyttir | 163 | — |
| Cromolyn Sodium | 152 | 34 |
| Famotidine | 148 | 34 |
| Famotidine/Pfbrand: Famotidine | 106 | — |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 101 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-10-06
- Last updated
- 2023-11-27
- Certified
- 2020-09-14
Frequently asked questions
- What is Shijun Xi's NPI number?
- Shijun Xi's National Provider Identifier (NPI) is 1407130636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shijun Xi's specialty?
- Shijun Xi is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Shijun Xi located?
- Shijun Xi's practice location on file with NPPES is 1520 San Pablo St Ste 1000, Los Angeles, CA 90033-5312.
- What is Shijun Xi's phone number?
- The practice phone number listed in the NPPES registry for Shijun Xi is (323) 442-5100.
- Does Shijun Xi accept Medicare?
- Shijun Xi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shijun Xi's NPI active?
- Yes — Shijun Xi's NPI (1407130636) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.