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Edit this profileAt a glance
- 18546 Roscoe Blvd Ste 300, Northridge, CA 91324
About Dr. Chen
Based in Northridge, CA, Sean X. Chen, MD is listed in the NPI registry under family medicine — adult medicine. According to Medicare claims data, Sean cared for 70 Medicare patients across 98 services. The services billed most often include telephone medical discussion with physician, 5-10 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and telephone medical discussion with physician, 11-20 minutes. NPI 1336777838 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (818) 886-4028
- Email not available
Practice Locations
18546 ROSCOE BLVD STE 300
Northridge, CA 91324
Conditions Commonly Evaluated or Treated
Within Family Medicine — Adult 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.
Conditions
Mental health
Most searched conditions
Blood
Digestive
Ear, nose & throat
Endocrinology
Eye
General symptoms
Heart & circulation
Infections
- Lyme disease
Injury
Joint & muscle
Men's health
Neurology
Pain
Respiratory
Sexual & reproductive health
Skin
- Acne
- Contact dermatitis
- Eczema
- Foot fungus
- Hair loss
- Herpes simplex of the skin
- Precancerous sun spot
- Psoriasis
- Rosacea
- Shingles
Sleep
Sleep & nerve
Spine & nerve
Urinary
Women's health
Procedures & services
Allergy
- Allergy shot
Evaluations
Infectious disease
Medication management
Men's health
- Testosterone Therapy Consultation
Minor procedures
Minor surgery
- Minor laceration repair
- Cyst Removal
- Incision and drainage of an abscess
- Ingrown toenail removal
- Suture removal
Pain
Sexual & reproductive health
- Depo Shot
- IUD Removal
Skin
Vaccines
- COVID-19 Booster
- Hepatitis B vaccine
- HPV vaccine
Weight management
Most searched procedures
Brain & nerve
Diagnostic testing
- Rapid flu test
- Rapid strep testing
- Workplace Drug Test
Ear, nose & throat
Heart
- Heart monitor
Heart & circulation
- EKG
Immunization
- Pneumonia shot
- Routine Vaccines
- Tetanus shot
- Travel vaccines
Mental health
Physicals
Preventive care
- Colon cancer screening consult
- Diabetic Foot Care
- Smoking cessation counseling
Respiratory
- Spirometry
Sexual health
Skin procedures
Wellness
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- Hormone replacement therapy consult
- IUD insertion
- Pap smear
Procedures Most Often Billed to Medicare
98 services · 70 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
35 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
27 | Less often than most peers in Family Medicine — Adult Medicine |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
19 | As often as other peers in Family Medicine — Adult Medicine |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
17 | Less often than most peers in Family Medicine — Adult Medicine |
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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 family doctors in Northridge 3
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Chen?
Dr. Chen is a family doctor in Northridge, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine — Adult Medicine”.
NPI registry
What is Dr. Chen's address?
Dr. Chen is listed at 18546 Roscoe Blvd Ste 300, Northridge, CA 91324. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Chen?
The number on file is (818) 886-4028. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chen's NPI number?
Dr. Chen's National Provider Identifier is 1336777838. 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 train?
Dr. Chen attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chen been practicing?
Dr. Chen has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chen perform?
According to Medicare billing data, Dr. Chen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.