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Edit this profileAt a glance
- 1108 Fremont Ave, South Pasadena, CA 91030
About Dr. Tsai
Sean I. Tsai, D.O. practices family medicine in South Pasadena, CA. Medicare claims data shows Sean provided 1,502 services to 235 patients. The services billed most often include osteopathic manipulative treatment, 9-10 body regions, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. The provider's National Provider Identifier (NPI) is 1932130697.
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
- (626) 793-0660
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1108 FREMONT AVE
South Pasadena, CA 91030
Conditions Commonly Evaluated or Treated
Within Family 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
Bariatrics
- Severe Obesity
Cancer Prevention
Cancer risk
Digestive
- Stomach Bug and Food Poisoning
- Acid reflux
- IBS
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Wounds & skin
- Severe skin tears
Most searched conditions
Cardiometabolic
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Addiction & habits
Bladder & bowel
- Skin barrier and rash care for incontinence
Breathing
- Nebulizer Breathing Treatment Training
Cancer Screening
Cancer screening
Checkups & exams
Chronic illness
Diagnostic testing
Diagnostic Tests
- COVID-19 Rapid Test
- COVID-19 testing
- Rapid Flu Swab
- Rapid Strep and Flu Swabs
- Urine Pregnancy Test
- Urine Drug Screen
Diagnostics & screening
Environmental health
Exams
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Fitness & body composition
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Heart & circulation
Immunizations
Infection & Microbiology Tests
- Colon cancer screening consult
- STI and STD Screening
- H. Pylori Breath Test
Lifestyle & Prevention
Longevity
Lower endoscopy
Metabolic health
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational health
Occupational Health
Office procedures
- Minor laceration repair
- Removal of a minor skin lesion
- Superficial foreign-body removal
- Earwax removal
- Incision and drainage of an abscess
Post-Op Care
- Surgical Staple Removal
Preventive and evaluation
Preventive Care
- Chronic Illness Checkup
- Travel Vaccines And Consult
- Routine Vaccines
Preventive imaging
Preventive interventions
- Vaccinations and immunizations
- Weight-management counseling
- Birth control counseling
- Smoking cessation counseling
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
Screening and testing
- Blood pressure screening
- Diabetes and prediabetes screening
- Point-of-care laboratory testing
- Cholesterol screening
- Depression screening
- EKG
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
Travel Health
Travel medicine
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness
Wellness & Screening
Wellness & Weight
- Weight Management Consult
Women's Health
Workplace health
Wound care
- Suture and Staple Removal
Wounds & skin
- Bedsore staging and treatment
- Wound dressing and care
Sleep
Most searched procedures
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Pain Management
- Joint injections
Respiratory
Senior Care
Sexual & Reproductive Health
Procedures Most Often Billed to Medicare
1,502 services · 235 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Osteopathic manipulative treatment, 9-10 body regions | Treatment | 98929 |
764 | More than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
714 | More than most peers in Family 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 |
24 | More often than most peers in Family 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.
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 South Pasadena 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Osteopathic manipulative treatment, 9-10 body regions 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Sean I. Tsai?
Sean I. Tsai is a family doctor in South Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
What is Sean I. Tsai's address?
Sean I. Tsai is listed at 1108 Fremont Ave, South Pasadena, CA 91030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Sean I. Tsai?
The number on file is (626) 793-0660. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Sean I. Tsai?
Sean I. Tsai's National Provider Identifier is 1932130697. 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 Sean I. Tsai train?
Sean I. Tsai attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sean I. Tsai have?
Sean I. Tsai has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Sean I. Tsai perform?
According to Medicare billing data, Sean I. Tsai provides treatments such as osteopathic manipulative treatment, 9-10 body regions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sean I. Tsai's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sean I. Tsai. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.