Tien I Karleen Su, M.D.
Rheumatology Internal Medicine
Tien I Karleen Su is a Rheumatology Internal Medicine specialist based in Whittier, CA with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 21 years in internal medicine, Tien I Karleen Su, M.D. is a long-established rheumatologist in Whittier. Trained at University of California, Geffen School of Medicine (class of 2005), she has been practicing for over 21 years. CMS Medicare data shows her patients commonly have high cholesterol, arthritis, and hypertension.
At a glance
- Prescribes opioids less than 35% of reporting doctors in California
- Uses generic medications more than 53% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 3838dNPPES updated 2016-01-05 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
12456 Washington Blvd, Whittier, CA 90602-1005
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better2.37%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-2.7 pts)
2.37% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better88.2%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+5.4 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
195
Unique beneficiaries
Standard volumePrescription Recipients
428
Patients prescribed
Prescriptions Written
1,939
Total claims
Total Medicare drug cost: $795k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Arthritis, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+3%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+53%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+2%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-11%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$8.5k received from industry
25 transactions reported in 2024 ·High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Tien I Karleen Su's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2005
David Geffen School of Medicine at Ucla
21 years in practice
Experienced
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
University of California, Geffen School of Medicine (Class of 2005)
Primary hospital affiliation: Acute Care - Veterans Administration
CMS Certification Number: 19043F
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Tien I Karleen Su
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Tien I Karleen Su for cholesterol management, arthritis follow-ups, blood pressure monitoring — no travel to Whittier required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Tien I Karleen Su
NPI records show Dr. Su as active with telehealth listed in Whittier, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (562) 758-6600.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Tien I Karleen Su
Practice Location
12456 Washington Blvd, Whittier, CA 90602-1005
Mailing Address
12456 Washington Blvd, Whittier, CA 90602-1005
This is a provider directory. Contact the office directly to schedule appointments.
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