Physician Profile
Unclaimed ProfileAbout CHEN
Based in Arcadia, CA, Emy Caitlin Chen, MD is listed in the NPI registry under rheumatology. Emy graduated from University of Southern California Keck School of Medicine in 1998. According to Medicare claims data, Emy cared for 864 Medicare patients across 4,947 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 357-6808
- Email not available
Practice Locations
488 E SANTA CLARA ST 104
Arcadia, CA 91006
Procedures Most Often Billed to Medicare
4,947 services · 864 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
237 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
229 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
50 |
| Influenza vaccine, trivalent, 0.5 ml dosage | Treatment | 90658 |
18 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
2,048 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
882 |
| Injection, zoledronic acid, 1 mg | Drug given | J3489 |
50 |
| Injection, methylprednisolone acetate, 80 mg | Drug given | J1040 |
12 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
882 |
| 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' | Billing code | G2211 |
258 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other rheumatology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other rheumatology specialists in Arcadia 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chen specialize in?
Dr. Chen is a rheumatology in Arcadia, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 488 E SANTA CLARA ST 104, Arcadia, CA 91006. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (626) 357-6808. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chen's NPI number?
Dr. Chen's National Provider Identifier is 1689741910. 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
Where did Dr. Chen go to medical school?
Dr. Chen attended University of Southern California Keck School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chen been practicing?
Dr. Chen has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen provides treatments such as administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chen confirmed this information?
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.