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Edit this profileWhere to find William C. Chen
- San Diego location main office
8008 Frost St Ste 200, San Diego, CA 92123 - Poway location
15611 Pomerado Rd Ste 500, Poway, CA 92064
About William Chen
William C. Chen is a healthcare provider in San Diego, CA specializing in internal medicine. William trained at Icahn School of Medicine at Mount Sinai, graduating in 2015. William is also listed as specializing in gastroenterology. According to Medicare claims data, William cared for 678 Medicare patients across 767 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. This provider record is associated with NPI 1366837890.
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
- (858) 292-7527
- Email not available
Practice Locations
8008 FROST ST STE 200
San Diego, CA 92123
15611 Pomerado Rd Ste 500
Poway, CA 92064
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
767 services · 678 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
111 | More often than most peers in Internal Medicine |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
63 | As often as other peers in Internal Medicine |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
62 | More often than most peers in Internal Medicine |
| Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43255 |
22 | More often than most peers in Internal Medicine |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
11 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
144 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
111 | More often than most peers in Internal Medicine |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
54 | As often as other peers in Internal Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
47 | More often than most peers in Internal Medicine |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
39 | More often than most peers in Internal 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 internists in San Diego 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is William C. Chen's specialty?
William C. Chen is an internist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find William C. Chen?
William C. Chen is listed at 8008 Frost St Ste 200, San Diego, CA 92123. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William C. Chen?
The number on file is (858) 292-7527. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William C. Chen's NPI number?
William C. Chen's National Provider Identifier is 1366837890. 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
What is William C. Chen's education?
William C. Chen attended Icahn School of Medicine at Mount Sinai, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has William C. Chen been practicing?
William C. Chen has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What is William C. Chen known for?
According to Medicare billing data, William C. Chen performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William C. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William C. Chen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.