Dr. Tien I Karleen Su, MD
- Medicare services, 2024
- 17,890
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 1,125
- Clinical trials
- 9
- Hospital affiliations
- 1
- Practice address
- 12456 E Washington Blvd, Whittier, CA 90602
- Practice phone
- Call (562) 758-6600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Amicus Arthritis and Osteoporosis Center, Inc
Whittier, California
Find Dr. Su's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tien I Karleen Su is a rheumatologist in Whittier, California
Dr. Su practices at Amicus Arthritis and Osteoporosis Center, Inc in Whittier, California.
Dr. Su's NPI, 1750581930, was assigned on July 25, 2007. Dr. Su graduated from David Geffen School of Medicine at UCLA in 2005. Dr. Su holds California license A98890.
- NPI
- 1750581930NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062692809
- NPI enumeration date
- July 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 758-6600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tien I Karleen Su practices at Amicus Arthritis and Osteoporosis Center, Inc in Whittier, California
Dr. Su's primary practice is Amicus Arthritis and Osteoporosis Center, Inc, at 12456 E Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 758-6600.
- Amicus Arthritis and Osteoporosis Center, Inc12456 E Washington Blvd, Whittier, CA 90602 · Los Angeles CountyPhone(562) 758-6600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tien I Karleen Su is affiliated with 3 sites of care and 1 medical group
Dr. Su's primary practice is Amicus Arthritis and Osteoporosis Center, Inc in Whittier, California. Dr. Su is also affiliated with PIH Health Whittier Hospital. The medical group on file is Amicus Arthritis & Osteoporosis Center. Dmand AI also links Dr. Su to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tien I Karleen Su's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Su practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Amicus Arthritis and Osteoporosis Center, Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tien I Karleen Su is one of 821 rheumatologists in California
Rheumatology is Dr. Su's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Su is board certified in rheumatology by the American Board of Internal Medicine. Dr. Su is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, fluid in a joint, gout, joint cyst, joint pain and lupus among the conditions Dr. Su treats.
Rheumatologists near Dr. Su
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tien I Karleen Su billed Medicare for 17,890 services in 2024
CMS data shows 17,890 Medicare services from Dr. Su across 16 procedure codes in 2024, for 169 Medicare patients. Medicare paid $294,336 for them. Every service was in an office.
Dr. Su's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 23,1362024: 16,30930%
- Office and hospital visits
- 2023: 5112024: 81159%
- Tests and treatments
- 2023: 4062024: 34515%
- Other services
- 2023: 02024: 273
- Imaging
- 2023: 782024: 11446%
- Surgery
- 2023: 302024: 3827%
Dr. Su compared with the California median for rheumatologists, 2024
- Dr. Su
- California median
- Medicare services
- 17,890vs 90019.9 times
- Medicare patients
- 169vs 21622% below
- Part D claims
- 887vs 9628% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Su's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Su?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Su and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tien I Karleen Su treated 169 Medicare patients in 2024, average age 77
CMS counts 169 Medicare patients who saw Dr. Su in 2024. The largest group is 75 to 84, with 69 patients. 75% of them have arthritis, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Su's median patient age at 74, with 87% women.
Dr. Su's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Su's Medicare patients by sex, 2024
- Women15089%
- Men1911%
Chronic conditions among Dr. Su's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- Osteoporosis75%
- High blood pressure72%
- Diabetes34%
- Chronic kidney disease30%
- Anxiety20%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Su's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women87%
- Men13%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tien I Karleen Su wrote 1,125 Medicare Part D claims in 2024
In 2024, Dr. Su wrote 1,125 Medicare Part D claims for 329 patients. 86% of them were for generic drugs. CMS names the drug for 887 of them, across 26 drugs with 11 or more claims each, at $129,866 in total drug cost. In 2023, CMS named 1,648 claims across 34 drugs.
Dr. Su's Part D claims by kind of drug, 2024
- Generic966 claims86%
- Brand-name and other159 claims14%
Dr. Su's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Su's Part D claims, 2024
- Opioids2%20 of 1,125 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6482024: 88746%
Drugs named by CMS: 26 in 2024, 34 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Tien I Karleen Su offers telehealth to Medicare patients
Dr. Su accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Su as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Tien I Karleen Su has worked on 9 clinical trials
Dmand AI links Dr. Su to 9 clinical trials, 6 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Arthritis, Rheumatoid, Rheumatic Diseases and Lupus Erythematosus, Systemic. Eli Lilly and Company sponsors the most, 3. Open Payments lists research payments to Dr. Su that name 3 trials.
Conditions in Dr. Su's trials
- Arthritis, Rheumatoid
- Rheumatic Diseases
- Lupus Erythematosus, Systemic
- Connective Tissue Diseases
- Lymphoma, Follicular
Investigators on the most trials with Dr. Su
- Dhiman Basu, MD7 shared trials
- Michael E. Luggen, MD7 shared trials
- Tamar F. Brionez, MD6 shared trials
Recent clinical trials with Dr. Su
A Multi-centre Long-term Extension Study to Assess the Safety and Efficacy of GSK3196165 in the Treatment of Rheumatoid Arthritis (opens in a new tab)
Vagus Nerve Stimulation for Moderate to Severe Rheumatoid Arthritis (opens in a new tab)
Efficacy and Safety of Olokizumab in Subjects With Moderately to Severely Active Rheumatoid Arthritis (opens in a new tab)
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tien I Karleen Su received $17,433 in industry payments from 2016 to 2025
CMS Open Payments shows 480 general payments to Dr. Su from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 57% of the total. Abbvie Inc. paid the most, $9,001. It also lists 6 research payments totaling $130,019 from 2019 to 2024, naming 3 clinical trials.
General payments to Dr. Su by program year, 2016 to 2025
General payments to Dr. Su by kind, 2016 to 2025
- Food and beverage$9,87157%
- Grants$7,50043%
- Education$620%
Companies that paid Dr. Su the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tien I Karleen Su has 1 award and honors on record
Dmand AI lists 1 award for Dr. Su, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Su
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Tien I Karleen Su graduated from David Geffen School of Medicine at UCLA
Dr. Su graduated from David Geffen School of Medicine at UCLA in 2005.
- Medical school
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Tien I Karleen Su accepts plans from 12 insurance carriers
Dr. Su is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- +4 more carriersWith a free account
Plan types Dr. Su accepts, by number of carriers
- Medicare9
- PPO7
- HMO5
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Tien I Karleen Su's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tien I Karleen Su
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tien I Karleen Su's NPI number?
Dr. Tien I Karleen Su's NPI number is 1750581930. It was assigned on July 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tien I Karleen Su?
Dr. Tien I Karleen Su is a rheumatologist in Whittier, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Tien I Karleen Su practice?
Dr. Su practices at 12456 E Washington Blvd, Whittier, CA 90602. Dr. Su's primary practice is Amicus Arthritis and Osteoporosis Center, Inc in Whittier, California. Dmand AI also links Dr. Su to 1 group practice or clinic.
What is Dr. Tien I Karleen Su's office phone number?
The practice phone on file for Dr. Su is (562) 758-6600.
What is Dr. Tien I Karleen Su's medical license number?
Dr. Su holds California license A98890.
Which hospitals is Dr. Tien I Karleen Su affiliated with?
Dr. Su is affiliated with PIH Health Whittier Hospital.
What medical group is Dr. Tien I Karleen Su part of?
Dr. Su is linked to Amicus Arthritis & Osteoporosis Center.
Does Dr. Tien I Karleen Su accept Medicare?
Yes. CMS data shows Dr. Su billed Medicare for 17,890 services in 2024, and Dr. Su accepts Medicare assignment.
Does Dr. Tien I Karleen Su offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Su as offering telehealth services.
How many Medicare patients does Dr. Tien I Karleen Su see?
CMS counts 169 Medicare patients who saw Dr. Su in 2024, with an average age of 77.
Show 8 more questionsShow fewer questions
Is Dr. Tien I Karleen Su board certified?
Yes. Dr. Su is board certified in rheumatology by the American Board of Internal Medicine.
What services does Dr. Tien I Karleen Su bill to Medicare?
In 2024, Dr. Su's most billed Medicare services were injected or infused drug (J3111), injected or infused drug (J0897) and injected or infused drug (J1010).
Where did Dr. Tien I Karleen Su go to medical school?
Dr. Su graduated from David Geffen School of Medicine at UCLA in 2005.
What drugs does Dr. Tien I Karleen Su prescribe most?
In 2024 Medicare Part D data, Dr. Su's most prescribed drugs by claims were Alendronate Sodium, Gabapentin and Diclofenac Sodium.
Has Dr. Tien I Karleen Su received payments from drug or device companies?
CMS Open Payments shows $17,433 in general payments to Dr. Su from 29 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Tien I Karleen Su been practicing?
Dr. Su graduated from medical school in 2005, 21 years ago.
Does Dr. Tien I Karleen Su do research?
Dr. Su has worked on 9 clinical trials.
What insurance does Dr. Tien I Karleen Su accept?
Dr. Su is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to rheumatology practices?
See rheumatologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card