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Edit this profileAt a glance
- 8054 Garvey Ave Ste 201, Rosemead, CA 91770
About Dr. Lien
Thoi H. Lien, M.D. is a healthcare provider in Rosemead, CA specializing in family practice. Thoi trained at Hahnemann University College of Medicine, graduating in 1998. Thoi is also listed as specializing in family medicine. According to Medicare claims data, Thoi cared for 2,403 Medicare patients across 4,804 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and insertion of needle into vein for collection of blood sample. This provider record is associated with NPI 1871653816.
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) 280-5035
- Email not available
Practice Locations
8054 GARVEY AVE STE 201
Rosemead, CA 91770
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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
4,804 services · 2,403 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
549 | More than most peers in Family Practice |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
28 | As often as other peers in Family Practice |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
243 | More than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
31 | More often than most peers in Family Practice |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
16 | Less often than most peers in Family Practice |
| Influenza vaccine, trivalent, 0.5 ml dosage | Treatment | 90658 |
14 | Less often than most peers in Family Practice |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
154 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,599 | More than most peers in Family Practice |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
555 | More than most peers in Family Practice |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
528 | More than most peers in Family Practice |
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 practices in Rosemead 6
Same specialty, same city.
Trained at Hahnemann University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1998 at Hahnemann University College of Medicine 7
Providers who graduated from the same medical school in the same year.
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 does Thoi H. Lien specialize in?
Thoi H. Lien is a family practice in Rosemead, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Thoi H. Lien located?
Thoi H. Lien is listed at 8054 Garvey Ave Ste 201, Rosemead, CA 91770. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Thoi H. Lien's phone number?
The number on file is (626) 280-5035. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Thoi H. Lien's NPI number?
Thoi H. Lien's National Provider Identifier is 1871653816. 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 Thoi H. Lien train?
Thoi H. Lien attended Hahnemann University College of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Thoi H. Lien been practicing?
Thoi H. Lien has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Thoi H. Lien do most often?
According to Medicare billing data, Thoi H. Lien performs procedures including insertion of needle into vein for collection of blood sample and aspiration and/or injection of fluid from large joint; provides treatments such as influenza vaccine split virus, preservative free and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Thoi H. Lien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thoi H. Lien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.