Henry H. Ooi, MB

  • Gallatin, TN
  • Cardiologist
NPI1942268693PAC ID4082700448
Medicare services, 2024
30
Medicare patients, 2024
24
Part D claims, 2024
473
Publications
20
Clinical trials
1
Practice address
555 Hartsville Pike, Gallatin, TN 37066
Practice phone
Call (615) 328-8888
Professional email
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Personal email
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Mobile number
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Social profiles

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Henry H. Ooi is a cardiologist in Gallatin, Tennessee

Henry Ooi practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health.

Henry Ooi's NPI, 1942268693, was assigned on May 3, 2006. Henry Ooi holds Tennessee license 41870.

NPI and contact details
Medicare PAC ID
4082700448
NPI enumeration date
May 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(615) 328-8888
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Henry H. Ooi practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee

Henry Ooi's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas, at 555 Hartsville Pike, Gallatin, TN 37066 in Sumner County. The practice phone is (615) 328-8888.

Source: Dmand AI Affiliation Data

Henry H. Ooi is affiliated with 3 sites of care and 1 medical group

Henry Ooi's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health. Henry Ooi is also affiliated with Vanderbilt University Medical Center. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Henry Ooi to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Henry Ooi

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Henry H. Ooi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Henry Ooi practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Highpoint Health - Sumner with Ascension Saint ThomasAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Henry H. Ooi is one of 424 cardiologists in Tennessee

Cardiovascular disease is Henry Ooi's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Henry Ooi is licensed in Tennessee.

Specialties and state licenses

  • Cardiovascular disease, TennesseePrimaryLicense 41870 · taxonomy 207RC0000X

Cardiologists near Henry Ooi

Counts of cardiologists 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

Henry H. Ooi billed Medicare for 30 services in 2024

CMS data shows 30 Medicare services from Henry Ooi across 1 procedure code in 2024, all of them office visits, for 24 Medicare patients. Medicare paid $2,047 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202430
Medicare patients24
Paid by Medicare$2,047
Procedure codes1

Henry Ooi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 372024: 3019%

Henry Ooi compared with the Tennessee median for cardiologists, 2024

  • Henry Ooi
  • Tennessee median
Medicare services
30vs 1,79098% below
Medicare patients
24vs 86697% below
Part D claims
380vs 1,79879% below

Medians across 428 cardiologists in Tennessee with Dmand AI profiles that report each measure.

Henry Ooi'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.

See all procedures by Henry Ooi

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Medicare shows one payer. Book a meeting to get commercial claims data for Henry Ooi and other cardiologists in Tennessee.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Henry H. Ooi treated 24 Medicare patients in 2024, average age 71

CMS counts 24 Medicare patients who saw Henry Ooi in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have heart failure, and 75% have high blood pressure. Their average risk score is 2.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Henry Ooi's median patient age at 70, with 41% women.

Medicare patients, 202424
Average age71
Average risk score2.94

Henry Ooi's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Henry Ooi's Medicare patients, 2024

  1. Heart failure75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes63%
  5. Atrial fibrillation58%
  6. Chronic kidney disease54%
  7. Ischemic heart disease54%
  8. Arthritis50%

Share of Medicare patients with each condition. A patient can have several.

Henry Ooi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women41%
  • Men59%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Henry H. Ooi wrote 473 Medicare Part D claims in 2024

In 2024, Henry Ooi wrote 473 Medicare Part D claims for 42 patients. 73% of them were for generic drugs. CMS names the drug for 380 of them, across 15 drugs with 11 or more claims each, at $147,638 in total drug cost. In 2023, CMS named 357 claims across 15 drugs.

Part D claims, 2024473
Drugs named by CMS15
Total drug cost$147,638
Part D patients42

Henry Ooi's Part D claims by kind of drug, 2024

  • Generic347 claims73%
  • Brand-name126 claims27%

Henry Ooi'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: 3572024: 3806%

Drugs named by CMS: 15 in 2024, 15 in 2023.

See all prescribing by Henry Ooi

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

How Henry H. Ooi takes part in Medicare

Henry Ooi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Henry H. Ooi has 20 publications on record

Dmand AI links 20 papers to Henry Ooi, published from 2012 to 2025. 2023 was the busiest year, with 3. The most frequent topics are Heart Transplantation, Cardiomyopathy, Dilated and Heart Failure. Henry Ooi has published most often in J Card Fail. Henry Ooi's most frequent co-authors are Kelly Hulett Schlendorf, MD, MHS, Mark Allen Wigger, MD and Jonathan Nathan Menachem, MD.

Papers20
Years published2012 to 2025

Henry Ooi's papers by year, 2013 to 2025

Topics Henry Ooi writes about most

  • Heart Transplantation
  • Cardiomyopathy, Dilated
  • Heart Failure
  • Mineralocorticoid Receptor Antagonists
  • Tissue Donors
  • Antiviral Agents
  • Hepatitis C
  • Myocardial Perfusion Imaging

Henry Ooi's most frequent co-authors

Recent publications by Henry Ooi

See all 20 publications and co-authors

See who Henry Ooi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Henry Ooi works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Henry H. Ooi has worked on 1 clinical trial

Dmand AI links Henry Ooi to 1 clinical trial. Conditions studied include Heart Failure and Diabetes Mellitus, Type 2. Open Payments lists research payments to Henry Ooi that name 1 trial.

Conditions in Henry Ooi's trials

  • Heart Failure
  • Diabetes Mellitus, Type 2

Investigators on the most trials with Henry Ooi

Recent clinical trials with Henry Ooi

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Henry H. Ooi received $3,425 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Henry Ooi from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 71% of the total. Novartis Pharmaceuticals Corporation paid the most, $3,088. It also lists 7 research payments totaling $939 in 2018, naming 1 clinical trial.

General payments to Henry Ooi by program year, 2016 to 2025

General payments to Henry Ooi by kind, 2016 to 2025

$3.4Kin total
  • Travel and lodging$2,41571%
  • Food and beverage$92227%
  • Education speaker fees$883%

Companies that paid Henry Ooi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Henry Ooi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Henry H. Ooi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Henry H. Ooi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Henry H. Ooi's NPI number?

Henry H. Ooi's NPI number is 1942268693. It was assigned on May 3, 2006, and it is active in the NPI Registry.

What does Henry H. Ooi specialize in?

Henry H. Ooi is a cardiologist in Gallatin, Tennessee. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Henry H. Ooi practice?

Henry Ooi practices at 555 Hartsville Pike, Gallatin, TN 37066. Henry Ooi's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health. Dmand AI also links Henry Ooi to 1 group practice or clinic.

What is Henry H. Ooi's office phone number?

The practice phone on file for Henry Ooi is (615) 328-8888.

What is Henry H. Ooi's medical license number?

Henry Ooi holds Tennessee license 41870.

Which hospitals is Henry H. Ooi affiliated with?

Henry Ooi practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee. Henry Ooi is also affiliated with Vanderbilt University Medical Center.

What medical group is Henry H. Ooi part of?

Henry Ooi is linked to Vanderbilt University Medical Center.

Does Henry H. Ooi accept Medicare?

Yes. CMS data shows Henry Ooi billed Medicare for 30 services in 2024, and Henry Ooi accepts Medicare assignment.

How many Medicare patients does Henry H. Ooi see?

CMS counts 24 Medicare patients who saw Henry Ooi in 2024, with an average age of 71.

What services does Henry H. Ooi bill to Medicare?

In 2024, Henry Ooi's most billed Medicare services were office visit, established patient (99214).

Show 5 more questionsShow fewer questions

What drugs does Henry H. Ooi prescribe most?

In 2024 Medicare Part D data, Henry Ooi's most prescribed drugs by claims were Spironolactone, Furosemide and Carvedilol.

Has Henry H. Ooi received payments from drug or device companies?

CMS Open Payments shows $3,425 in general payments to Henry Ooi from 4 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Henry H. Ooi been practicing?

Henry Ooi graduated from medical school in 1989, 37 years ago.

Does Henry H. Ooi do research?

Dmand AI links 20 publications to Henry Ooi, published from 2012 to 2025. Henry Ooi has worked on 1 clinical trial.

Who does Henry H. Ooi publish with?

Henry Ooi's most frequent co-authors are Kelly Hulett Schlendorf, MD, MHS (11 shared papers), Mark Allen Wigger, MD (10 shared papers) and Jonathan Nathan Menachem, MD (7 shared papers).

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