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Dr. Tiara Lauren Ong, MD
NPI1578097192PAC ID5193093656
- Medicare services, 2024
- 697
- Medicare patients, 2024
- 281
- Part D claims, 2024
- 470
- Publications
- 2
- MIPS score, 2024
- 80
- Practice address
- 1900 Don Wickham Dr, Clermont, FL 34711
- Practice phone
- Call (352) 394-4071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ong'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. Tiara Lauren Ong is an internist in Clermont, Florida
Dr. Ong practices at Orlando Health South Lake Hospital in Clermont, Florida, part of Orlando Health.
Dr. Ong's NPI, 1578097192, was assigned on April 20, 2017. Dr. Ong holds Florida license ME159891.
NPI and contact details
- NPI
- 1578097192NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193093656
- NPI enumeration date
- April 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (352) 394-4071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tiara Lauren Ong practices at Orlando Health South Lake Hospital in Clermont, Florida
Dr. Ong's primary practice is Orlando Health South Lake Hospital, at 1900 Don Wickham Dr, Clermont, FL 34711 in Lake County. The practice phone is (352) 394-4071.
- Orlando Health South Lake Hospital1900 Don Wickham Dr, Clermont, FL 34711 · Lake CountyPhone(352) 394-4071
Source: Dmand AI Affiliation Data
Dr. Tiara Lauren Ong is affiliated with 1 site of care and 1 medical group
Dr. Ong's primary practice is Orlando Health South Lake Hospital in Clermont, Florida, part of Orlando Health. The medical group on file is Orlando Health Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tiara Lauren Ong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orlando Health South Lake Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Orlando Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tiara Lauren Ong is one of 9,009 internists in Florida
Internal medicine is Dr. Ong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Ong's licenses on file in 2 states: Florida and California.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- California license
Internists near Dr. Ong
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
9,009internists in Florida71internists in Clermont52internists at Orlando Health South Lake Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tiara Lauren Ong billed Medicare for 697 services in 2024
CMS data shows 697 Medicare services from Dr. Ong across 5 procedure codes in 2024, for 281 Medicare patients. Medicare paid $61,155 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024697
Medicare patients281
Paid by Medicare$61,155
Procedure codes5
Dr. Ong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3292024: 697112%
Dr. Ong compared with the Florida median for internists, 2024
- Dr. Ong
- Florida median
- Medicare services
- 697vs 55526% above
- Medicare patients
- 281vs 21531% above
- Part D claims
- 189vs 46659% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Ong'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. Ong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ong and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tiara Lauren Ong treated 281 Medicare patients in 2024, average age 78
CMS counts 281 Medicare patients who saw Dr. Ong in 2024. The largest group is 75 to 84, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.48, 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. Ong's median patient age at 77, with 53% women.
Medicare patients, 2024281
Average age78
Average risk score2.48
Also on Medicaid14%
Dr. Ong's Medicare patients by age, 2024
Dr. Ong's Medicare patients by sex, 2024
- Women14150%
- Men14050%
Chronic conditions among Dr. Ong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis60%
- Chronic kidney disease58%
- Heart failure52%
- Diabetes50%
- Mood disorders46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tiara Lauren Ong wrote 470 Medicare Part D claims in 2024
In 2024, Dr. Ong wrote 470 Medicare Part D claims for 220 patients. 87% of them were for generic drugs. CMS names the drug for 189 of them, across 10 drugs with 11 or more claims each, at $871 in total drug cost. In 2022, CMS named 14 claims across 1 drug.
Part D claims, 2024470
Drugs named by CMS10
Total drug cost$871
Part D patients220
Dr. Ong's Part D claims by kind of drug, 2024
- Generic409 claims87%
- Brand-name and other61 claims13%
Dr. Ong'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. Ong's Part D claims, 2024
- Opioids9%43 of 470 claims
- Antibiotics16%76 of 470 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 142024: 1891250%
Drugs named by CMS: 10 in 2024, 1 in 2022.
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. Tiara Lauren Ong scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Ong for performance year 2024, reported as part of a group. Dr. Ong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ong's MIPS scores, performance year 2024
- 80of 100Final score
- 61.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tiara Lauren Ong has 2 publications on record
Dmand AI links 2 papers to Dr. Ong in 2011. Dr. Ong's most frequent co-authors are Kelly D. Foote, MD, Michael Scott Okun, MD and Irene Andonia C Malaty, MD.
Papers2
Dr. Ong's most frequent co-authors
- Kelly D. Foote, MD2 shared papers
- Michael Scott Okun, MD2 shared papers
- Irene Andonia C Malaty, MD1 shared paper
Recent publications by Dr. Ong
See who Dr. Ong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ong works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tiara Lauren Ong received $52 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Ong from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $52.
Companies that paid Dr. Ong the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tiara Lauren Ong'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 DataDmand AI Org Hierarchy 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) |
| 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) |
| 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. Tiara Lauren Ong
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. Tiara Lauren Ong's NPI number?
Dr. Tiara Lauren Ong's NPI number is 1578097192. It was assigned on April 20, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Tiara Lauren Ong?
Dr. Tiara Lauren Ong is an internist in Clermont, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tiara Lauren Ong practice?
Dr. Ong practices at 1900 Don Wickham Dr, Clermont, FL 34711. Dr. Ong's primary practice is Orlando Health South Lake Hospital in Clermont, Florida, part of Orlando Health.
What is Dr. Tiara Lauren Ong's office phone number?
The practice phone on file for Dr. Ong is (352) 394-4071.
What is Dr. Tiara Lauren Ong's medical license number?
Dr. Ong holds Florida license ME159891, one of the licenses on file in 2 states.
Which states has Dr. Tiara Lauren Ong been licensed in?
Dmand AI has state licenses on file for Dr. Ong in Florida and California.
Which hospitals is Dr. Tiara Lauren Ong affiliated with?
Dr. Ong practices at Orlando Health South Lake Hospital in Clermont, Florida.
What medical group is Dr. Tiara Lauren Ong part of?
Dr. Ong is linked to Orlando Health Medical Group.
Does Dr. Tiara Lauren Ong accept Medicare?
Yes. CMS data shows Dr. Ong billed Medicare for 697 services in 2024, and Dr. Ong accepts Medicare assignment.
What is Dr. Tiara Lauren Ong's MIPS score?
Dr. Ong's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Tiara Lauren Ong see?
CMS counts 281 Medicare patients who saw Dr. Ong in 2024, with an average age of 78.
What services does Dr. Tiara Lauren Ong bill to Medicare?
In 2024, Dr. Ong's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and care management and other visits (99497).
What drugs does Dr. Tiara Lauren Ong prescribe most?
In 2024 Medicare Part D data, Dr. Ong's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Amlodipine Besylate and Prednisone.
Has Dr. Tiara Lauren Ong received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Ong from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Tiara Lauren Ong been practicing?
Dr. Ong graduated from medical school in 2015, 11 years ago.
Does Dr. Tiara Lauren Ong do research?
Dmand AI links 2 publications to Dr. Ong.
Who does Dr. Tiara Lauren Ong publish with?
Dr. Ong's most frequent co-authors are Kelly D. Foote, MD (2 shared papers), Michael Scott Okun, MD (2 shared papers) and Irene Andonia C Malaty, MD (1 shared paper).
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