Jian Chen, M.D.
NPI 1841633617 · Family Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jian Chen, M.D. is a Family Medicine Physician provider in Loma Linda, CA (NPI 1841633617).
Provider details
- NPI number
- 1841633617
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A138143 (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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
371 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 | 125 | $129 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 58 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $94 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 39 | $34 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 22 | $16 |
| Urinalysis, Manual Test81002 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 87 | 81 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 59 | 59 |
| Methylprednisolone | 49 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 44 | 44 |
| Ciprofloxacin Hcl | 35 | 35 |
| Ibuprofen | 31 | 31 |
| Cephalexin | 21 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 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
Additional practice locations (2)
- 5630 E Santa Ana Canyon RdAnaheim, CA 92807-3122Phone: (714) 257-6170
- 2501 E Chapman AveOrange, CA 92869-3204Phone: (714) 628-3300
Registry dates
- Enumerated
- 2013-04-11
- Last updated
- 2020-09-23
- Certified
- 2020-09-23
Frequently asked questions
- What is Jian Chen's NPI number?
- Jian Chen's National Provider Identifier (NPI) is 1841633617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jian Chen's specialty?
- Jian Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jian Chen located?
- Jian Chen's practice location on file with NPPES is 25455 Barton Rd, Loma Linda, CA 92354-3128.
- What is Jian Chen's phone number?
- The practice phone number listed in the NPPES registry for Jian Chen is (909) 558-6526.
- Does Jian Chen accept Medicare?
- Jian Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jian Chen's NPI active?
- Yes — Jian Chen's NPI (1841633617) is active in the NPPES registry as of the last update on 2020-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.