Physician Profile
Lydia H. Chan, M.D.
Unclaimed ProfileAbout Dr. Chan
Based in San Francisco, CA, Lydia H. Chan, M.D. is listed in the NPI registry under internal medicine. According to Medicare claims data, Lydia cared for 1,059 Medicare patients across 1,384 services. The services billed most often include insertion of needle into vein for collection of blood sample, hemoglobin a1c level, and creatinine level to test for kidney function or muscle injury.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (415) 750-5909
- Email not available
Practice Locations
2674 SAN BRUNO AVENUE
San Francisco, CA 94134
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
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
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
1,384 services · 1,059 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
239 | More often than most peers in Internal Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
157 | More often than most peers in Internal Medicine |
| Creatinine level to test for kidney function or muscle injury | Lab test | 82570 |
155 | More often than most peers in Internal Medicine |
| Urine microalbumin (protein) level | Lab test | 82043 |
139 | More often than most peers in Internal Medicine |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
113 | As often as other peers in Internal Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
108 | As often as other peers in Internal Medicine |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
95 | As often as other peers in Internal Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
91 | As often as other peers in Internal Medicine |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
85 | More often than most peers in Internal Medicine |
| Vitamin d-3 level | Lab test | 82306 |
68 | As often as other 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 San Francisco 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Lydia H. Chan?
Lydia H. Chan is an internist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Lydia H. Chan's address?
Lydia H. Chan is listed at 2674 San Bruno Avenue, San Francisco, CA 94134. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Lydia H. Chan?
The number on file is (415) 750-5909. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Lydia H. Chan's NPI number?
Lydia H. Chan's National Provider Identifier is 1578900452. 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 Lydia H. Chan train?
Lydia H. Chan attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Lydia H. Chan been practicing?
Lydia H. Chan has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Lydia H. Chan perform?
According to Medicare billing data, Lydia H. Chan performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Lydia H. Chan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Lydia H. Chan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.