Physician Profile
Based in San Francisco, CA, Andrew R. Lai, M.D. is listed in the NPI registry under internal medicine. Andrew graduated from Warren Alpert Medical School of Brown University in 2006. Medicare claims data shows Andrew provided 725 services to 356 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
505 PARNASSUS AVE
San Francisco, CA 94143
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.
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
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
725 services · 356 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
13 | |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
233 | More often than most peers in INTERNAL MEDICINE |
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
204 | More than most peers in INTERNAL MEDICINE |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
170 | As often as other peers in INTERNAL MEDICINE |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
57 | As often as other peers in INTERNAL MEDICINE |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
35 | As often as other peers in INTERNAL MEDICINE |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Andrew R. Lai is an internal medicine in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Andrew R. Lai is listed at 505 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 476-6760. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Andrew R. Lai's National Provider Identifier is 1861666281. 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
Andrew R. Lai attended Warren Alpert Medical School of Brown University, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
Andrew R. Lai has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Andrew R. Lai performs procedures including aspiration of fluid from chest cavity using imaging guidance, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Andrew R. Lai. 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.