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Edit this profileAt a glance
- 4748 Saint Andrews Drive, Stockton, CA 95219
About Dr. Chan
Alexander Y. Chan, M.D. practices internal medicine in Stockton, CA. According to Medicare claims data, Alexander cared for 1,421 Medicare patients across 2,596 services. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes, and subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes. The provider's National Provider Identifier (NPI) is 1386722296.
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
- (209) 689-4607
- Email not available
Practice Locations
4748 SAINT ANDREWS DRIVE
Stockton, CA 95219
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
- Pre-Op Clearance Exam
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
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
2,596 services · 1,421 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
1,307 | More than most peers in Internal Medicine |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
471 | More than most peers in Internal Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
451 | More often than most peers in Internal Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
195 | More often than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
68 | As often as other peers in Internal Medicine |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
61 | Less often than most peers in Internal Medicine |
| Nursing facility discharge management, more than 30 minutes | Office visit | 99316 |
43 | 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.
Other internists in Stockton 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Alexander Y. Chan specialize in?
Alexander Y. Chan is an internist in Stockton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Alexander Y. Chan located?
Alexander Y. Chan is listed at 4748 Saint Andrews Drive, Stockton, CA 95219. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alexander Y. Chan's phone number?
The number on file is (209) 689-4607. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alexander Y. Chan's NPI number?
Alexander Y. Chan's National Provider Identifier is 1386722296. 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 Alexander Y. Chan train?
Alexander Y. Chan attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Alexander Y. Chan been practicing?
Alexander Y. Chan has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Alexander Y. Chan do most often?
According to Medicare billing data, Alexander Y. Chan 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 Alexander Y. Chan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alexander Y. Chan. If this is you, claiming it is free.
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