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Dr. Vivian Liu Qin, MD
NPI1114489002PAC ID1951638162
- Medicare services, 2024
- 554
- Medicare patients, 2024
- 212
- Part D claims, 2024
- 1,500
- Publications
- 5
- MIPS score, 2024
- 97
- Practice address
- 625 S Fair Oaks Ave, Pasadena, CA 91105
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Ambulatory Surgery Center - HOPD
Acute Care Hospital outpatient department · Pasadena, California
Find Dr. Qin's professional email, personal email and mobile number
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Dr. Vivian Liu Qin is a glaucoma specialist (ophthalmology) physician in Pasadena, California
Dr. Qin practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California.
Dr. Qin's NPI, 1114489002, was assigned on April 1, 2019. Dr. Qin graduated from Cleveland Medical College, Homeopathic in 2019. Dr. Qin holds California license A185849.
NPI and contact details
- NPI
- 1114489002NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951638162
- NPI enumeration date
- April 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vivian Liu Qin practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California
Dr. Qin's primary practice is Huntington Ambulatory Surgery Center - HOPD, at 625 S Fair Oaks Ave, Pasadena, CA 91105.
- Huntington Ambulatory Surgery Center - HOPD625 S Fair Oaks Ave, Pasadena, CA 91105
Source: Dmand AI Affiliation Data
Dr. Vivian Liu Qin is affiliated with 3 sites of care and 1 medical group
Dr. Qin's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Dr. Qin is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI also links Dr. Qin to 1 more group practice or clinic and 1 medical group, each named with a free account.
Huntington Ambulatory Surgery Center - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Vivian Liu Qin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Qin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntington Ambulatory Surgery Center - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vivian Liu Qin is one of 66 glaucoma specialist (ophthalmology) physicians in California
Glaucoma specialist is Dr. Qin's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dr. Qin is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Qin's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Glaucoma specialist (ophthalmology), CaliforniaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists glaucoma surgery among the conditions Dr. Qin treats.
Glaucoma specialist (ophthalmology) physicians near Dr. Qin
Counts of glaucoma specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.
66glaucoma specialist (ophthalmology) physicians in California
2glaucoma specialist (ophthalmology) physicians in Pasadena
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Vivian Liu Qin billed Medicare for 554 services in 2024
CMS data shows 554 Medicare services from Dr. Qin across 9 procedure codes in 2024, for 212 Medicare patients. Medicare paid $39,604 for them.
Medicare services, 2024554
Medicare patients212
Paid by Medicare$39,604
Procedure codes9
Dr. Qin's Medicare services by type, 2024
- Tests and treatments515
- Imaging27
- Surgery12
Where Dr. Qin's Medicare services took place, 2024
- In an office54298%
- In a facility122%
Dr. Qin compared with the California median for glaucoma specialist (ophthalmology) physicians, 2024
- Dr. Qin
- California median
- Medicare services
- 554vs 1,06948% below
- Medicare patients
- 212vs 38144% below
- Part D claims
- 1,417vs 1,74419% below
Medians across 66 glaucoma specialist (ophthalmology) physicians in California with Dmand AI profiles that report each measure.
Dr. Qin'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. Qin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Qin and other glaucoma specialist (ophthalmology) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vivian Liu Qin treated 212 Medicare patients in 2024, average age 77
CMS counts 212 Medicare patients who saw Dr. Qin in 2024. The largest group is 75 to 84, with 89 patients. 74% of them have high blood pressure, and 72% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Qin's median patient age at 69, with 57% women.
Medicare patients, 2024212
Average age77
Average risk score1.35
Also on Medicaid33%
Dr. Qin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Qin's Medicare patients by sex, 2024
- Women13262%
- Men8038%
Chronic conditions among Dr. Qin's Medicare patients, 2024
- High blood pressure74%
- High cholesterol72%
- Arthritis43%
- Diabetes37%
- Chronic kidney disease24%
- Ischemic heart disease24%
- Osteoporosis23%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Qin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vivian Liu Qin wrote 1,500 Medicare Part D claims in 2024
In 2024, Dr. Qin wrote 1,500 Medicare Part D claims for 424 patients. 57% of them were for generic drugs. CMS names the drug for 1,417 of them, across 24 drugs with 11 or more claims each, at $133,539 in total drug cost. In 2023, CMS named 481 claims across 13 drugs.
Part D claims, 20241,500
Drugs named by CMS24
Total drug cost$133,539
Part D patients424
Dr. Qin's Part D claims by kind of drug, 2024
- Generic856 claims57%
- Brand-name644 claims43%
Dr. Qin'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4812024: 1,417195%
Drugs named by CMS: 24 in 2024, 13 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. Vivian Liu Qin scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Qin for performance year 2024, reported as part of a group. Dr. Qin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 102 procedures of cataract surgery by Dr. Qin, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Qin's MIPS scores, performance year 2024
- 97of 100Final score
- 89.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Qin ranks in Medicare procedure volume
- Cataract surgery
- 75th percentile102 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Vivian Liu Qin has 5 publications on record
Dmand AI links 5 papers to Dr. Qin, published from 2018 to 2021. The most frequent topics are Visual Acuity. Dr. Qin's most frequent co-authors are Justis P. Ehlers, MD, Norman H. Kumins, MD and Eduardo Buchele Rodrigues, MD, PhD.
Papers5
Years published2018 to 2021
Dr. Qin's papers by year, 2018 to 2021
Topics Dr. Qin writes about most
- Visual Acuity
Dr. Qin's most frequent co-authors
- Justis P. Ehlers, MD1 shared paper
- Norman H. Kumins, MD1 shared paper
- Eduardo Buchele Rodrigues, MD, PhD1 shared paper
Recent publications by Dr. Qin
Angiogenesis InhibitorsBevacizumabIntravitreal Injections
Curr Opin Ophthalmol
Cataract ExtractionOutcome Assessment, Health CareVisual Acuity
See who Dr. Qin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Qin works with, so you can find a warm path to the right glaucoma specialist (ophthalmology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Vivian Liu Qin received $1,397 in industry payments from 2023 to 2024
CMS Open Payments shows 6 general payments to Dr. Qin from 2 drug and device companies from 2023 to 2024. Travel and lodging make up the largest share, 85% of the total. Alcon Laboratories Inc paid the most, $1,380.
General payments to Dr. Qin by program year, 2023 to 2024
General payments to Dr. Qin by kind, 2023 to 2024
$1.4Kin total
- Travel and lodging$1,18385%
- Food and beverage$21415%
Companies that paid Dr. Qin the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vivian Liu Qin graduated from Cleveland Medical College, Homeopathic
Dr. Qin graduated from Cleveland Medical College, Homeopathic in 2019.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Vivian Liu Qin accepts plans from 8 insurance carriers
Dr. Qin is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Molina
Plan types Dr. Qin accepts, by number of carriers
- Medicare8
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Vivian Liu Qin'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Vivian Liu Qin
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. Vivian Liu Qin's NPI number?
Dr. Vivian Liu Qin's NPI number is 1114489002. It was assigned on April 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Vivian Liu Qin?
Dr. Vivian Liu Qin is a glaucoma specialist (ophthalmology) physician in Pasadena, California. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).
Where does Dr. Vivian Liu Qin practice?
Dr. Qin practices at 625 S Fair Oaks Ave, Pasadena, CA 91105. Dr. Qin's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Dmand AI also links Dr. Qin to 1 group practice or clinic and 1 medical group.
What is Dr. Vivian Liu Qin's medical license number?
Dr. Qin holds California license A185849, one of the licenses on file in 2 states.
Which states has Dr. Vivian Liu Qin been licensed in?
Dmand AI has state licenses on file for Dr. Qin in California (2023 to 2027) and Pennsylvania (2019 to 2023).
Which hospitals is Dr. Vivian Liu Qin affiliated with?
Dr. Qin is affiliated with Ronald Reagan UCLA Medical Center.
Does Dr. Vivian Liu Qin accept Medicare?
Yes. CMS data shows Dr. Qin billed Medicare for 554 services in 2024, and Dr. Qin accepts Medicare assignment.
What is Dr. Vivian Liu Qin's MIPS score?
Dr. Qin's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Vivian Liu Qin see?
CMS counts 212 Medicare patients who saw Dr. Qin in 2024, with an average age of 77.
Is Dr. Vivian Liu Qin board certified?
Yes. Dr. Qin is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Vivian Liu Qin bill to Medicare?
In 2024, Dr. Qin's most billed Medicare services were eye exam or test (92012), eye exam or test (92083) and eye exam or test (92133).
Where did Dr. Vivian Liu Qin go to medical school?
Dr. Qin graduated from Cleveland Medical College, Homeopathic in 2019.
What drugs does Dr. Vivian Liu Qin prescribe most?
In 2024 Medicare Part D data, Dr. Qin's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Vivian Liu Qin received payments from drug or device companies?
CMS Open Payments shows $1,397 in general payments to Dr. Qin from 2 companies from 2023 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. Vivian Liu Qin been practicing?
Dr. Qin graduated from medical school in 2019, 7 years ago.
Does Dr. Vivian Liu Qin do research?
Dmand AI links 5 publications to Dr. Qin, published from 2018 to 2021.
Who does Dr. Vivian Liu Qin publish with?
Dr. Qin's most frequent co-authors are Justis P. Ehlers, MD (1 shared paper), Norman H. Kumins, MD (1 shared paper) and Eduardo Buchele Rodrigues, MD, PhD (1 shared paper).
What insurance does Dr. Vivian Liu Qin accept?
Dr. Qin is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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