Dr. Khoi Quang Tang, MD
- Medicare services, 2024
- 2,875
- Medicare patients, 2024
- 1,268
- Part D claims, 2024
- 6,806
- MIPS score, 2024
- 3
- Industry payments
- $5,021
- Practice address
- 8915 Westminster Ave, Garden Grove, CA 92844-2609
- Practice phone
- Call (714) 899-4287
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tang Khoi MD Office
Physician office · Garden Grove, California
Find Dr. Tang'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. Khoi Quang Tang is a urologist in Garden Grove, California
Dr. Tang practices at Tang Khoi MD Office in Garden Grove, California.
Dr. Tang's NPI, 1285615559, was assigned on November 14, 2005. Dr. Tang graduated from Medical College Of Wisconsin in 1992. Dr. Tang's California license number on file is G82013.
- NPI
- 1285615559NPI Registry (opens in a new tab)
- NPI enumeration date
- November 14, 2005
- NPI status
- Active
- Practice phone
- (714) 899-4287
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Khoi Quang Tang practices at Tang Khoi MD Office in Garden Grove, California
Dr. Tang's primary practice is Tang Khoi MD Office, at 8915 Westminster Ave, Garden Grove, CA 92844-2609. The practice phone is (714) 899-4287.
- Tang Khoi MD Office8915 Westminster Ave, Garden Grove, CA 92844-2609Phone(714) 899-4287
Source: Dmand AI Affiliation Data
Dr. Khoi Quang Tang is affiliated with 1 site of care
Dr. Tang's primary practice is Tang Khoi MD Office in Garden Grove, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Khoi Quang Tang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tang Khoi MD Office | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Khoi Quang Tang is one of 1,395 urologists in California
Urology is Dr. Tang's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Tang is board certified in urology by the American Board of Urology. Dmand AI has Dr. Tang's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Urology, CaliforniaPrimary
- Florida license
Clinical focus
Dmand AI lists bladder disease, bladder removal, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery and kidney stone disease among the conditions Dr. Tang treats.
Urologists near Dr. Tang
Counts of urologists 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. Khoi Quang Tang billed Medicare for 2,875 services in 2024
CMS data shows 2,875 Medicare services from Dr. Tang across 10 procedure codes in 2024, for 1,268 Medicare patients. Medicare paid $239,626 for them.
Dr. Tang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1812024: 2,65022%
- Surgery
- 2023: 1942024: 2003%
- Imaging
- 2023: 252024: 25No change
Where Dr. Tang's Medicare services took place, 2024
- In an office2,76696%
- In a facility1094%
Dr. Tang compared with the California median for urologists, 2024
- Dr. Tang
- California median
- Medicare services
- 2,875vs 1,0502.7 times
- Medicare patients
- 1,268vs 3463.7 times
- Part D claims
- 6,742vs 64210.5 times
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Tang'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. Tang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tang and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Khoi Quang Tang treated 1,268 Medicare patients in 2024, average age 77
CMS counts 1,268 Medicare patients who saw Dr. Tang in 2024. The largest group is 75 to 84, with 563 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 97% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tang's median patient age at 73, with 20% women.
Dr. Tang's Medicare patients by age, 2024
Dr. Tang's Medicare patients by sex, 2024
- Women29023%
- Men97877%
Chronic conditions among Dr. Tang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes54%
- Arthritis51%
- Chronic kidney disease44%
- Ischemic heart disease37%
- COPD23%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women20%
- Men80%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Khoi Quang Tang wrote 6,806 Medicare Part D claims in 2024
In 2024, Dr. Tang wrote 6,806 Medicare Part D claims for 1,222 patients. 93% of them were for generic drugs. CMS names the drug for 6,742 of them, across 26 drugs with 11 or more claims each, at $799,757 in total drug cost. In 2023, CMS named 6,380 claims across 25 drugs.
Dr. Tang's Part D claims by kind of drug, 2024
- Generic6,311 claims93%
- Brand-name495 claims7%
Dr. Tang'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. Tang's Part D claims, 2024
- Opioids0%23 of 6,806 claims
- Antibiotics9%620 of 6,806 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: 6,3802024: 6,7426%
Drugs named by CMS: 26 in 2024, 25 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. Khoi Quang Tang scored 3 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 3 out of 100 for Dr. Tang for performance year 2024, reported individually.
Dr. Tang's MIPS scores, performance year 2024
- 3of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 10of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Khoi Quang Tang received $5,021 in industry payments from 2016 to 2024
CMS Open Payments shows 49 general payments to Dr. Tang from 15 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 96% of the total. Amgen Inc. paid the most, $1,344.
General payments to Dr. Tang by program year, 2016 to 2024
General payments to Dr. Tang by kind, 2016 to 2024
- Food and beverage$4,79796%
- Education$2244%
Companies that paid Dr. Tang the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Khoi Quang Tang graduated from Medical College Of Wisconsin
Dr. Tang graduated from Medical College Of Wisconsin in 1992.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Khoi Quang Tang accepts plans from 16 insurance carriers
Dr. Tang is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Tang accepts, by number of carriers
- PPO9
- HMO8
- Medicare8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Khoi Quang Tang'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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Khoi Quang Tang
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. Khoi Quang Tang's NPI number?
Dr. Khoi Quang Tang's NPI number is 1285615559. It was assigned on November 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Khoi Quang Tang?
Dr. Khoi Quang Tang is a urologist in Garden Grove, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Khoi Quang Tang practice?
Dr. Tang practices at 8915 Westminster Ave, Garden Grove, CA 92844-2609. Dr. Tang's primary practice is Tang Khoi MD Office in Garden Grove, California.
What is Dr. Khoi Quang Tang's office phone number?
The practice phone on file for Dr. Tang is (714) 899-4287.
What is Dr. Khoi Quang Tang's medical license number?
Dr. Tang's California license number on file is G82013, one of the licenses on file in 2 states.
Which states has Dr. Khoi Quang Tang been licensed in?
Dmand AI has state licenses on file for Dr. Tang in California (1995 to 2025) and Florida (1998 to 2002).
Does Dr. Khoi Quang Tang accept Medicare?
Yes. CMS data shows Dr. Tang billed Medicare for 2,875 services in 2024.
What is Dr. Khoi Quang Tang's MIPS score?
Dr. Tang's MIPS final score for performance year 2024 is 3 out of 100, reported individually.
How many Medicare patients does Dr. Khoi Quang Tang see?
CMS counts 1,268 Medicare patients who saw Dr. Tang in 2024, with an average age of 77.
Is Dr. Khoi Quang Tang board certified?
Yes. Dr. Tang is board certified in urology by the American Board of Urology.
Show 6 more questionsShow fewer questions
What services does Dr. Khoi Quang Tang bill to Medicare?
In 2024, Dr. Tang's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: urinary system (52000).
Where did Dr. Khoi Quang Tang go to medical school?
Dr. Tang graduated from Medical College Of Wisconsin in 1992.
What drugs does Dr. Khoi Quang Tang prescribe most?
In 2024 Medicare Part D data, Dr. Tang's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Ciprofloxacin HCl.
Has Dr. Khoi Quang Tang received payments from drug or device companies?
CMS Open Payments shows $5,021 in general payments to Dr. Tang from 15 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Khoi Quang Tang been practicing?
Dr. Tang graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Khoi Quang Tang accept?
Dr. Tang is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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