Based in Rialto, CA, Paul Chen, M.D. is listed in the NPI registry under internal medicine. Paul graduated from George Washington University School of Medicine in 2000. According to Medicare claims data, Paul cared for 239 Medicare patients across 364 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1851 N RIVERSIDE AVE
Rialto, CA 92376
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Cardiac and vascular
Neurologic and behavioral
Rheumatologic and pain
Preventive and evaluation
Screening and diagnostic testing
Office procedures
364 services · 239 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Administration and interpretation of patient-focused health risk assessment | Treatment | 96160 |
25 |
| Influenza vaccine, inactivated | Treatment | 90653 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
208 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
57 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
32 |
| Administration of influenza virus vaccine | Billing code | G0008 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chen is an internal medicine in Rialto, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. Chen is listed at 1851 N RIVERSIDE AVE, Rialto, CA 92376. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 421-2700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chen's National Provider Identifier is 1588689350. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Chen attended George Washington University School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chen has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chen provides treatments such as administration and interpretation of patient-focused health risk assessment and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.