Dr. Ho Hyun Yoo, MD
- Medicare services, 2024
- 476
- Medicare patients, 2024
- 417
- Part D claims, 2024
- 421
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Practice address
- 540 Litchfield St, Torrington, CT 06790
- Practice phone
- Call (860) 496-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yoo'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. Ho Hyun Yoo is an emergency medicine physician in Torrington, Connecticut
Dr. Yoo practices at Charlotte Hungerford Hospital in Torrington, Connecticut, part of Hartford HealthCare.
Dr. Yoo's NPI, 1871598367, was assigned on June 20, 2005. Dr. Yoo graduated from Yale University School of Medicine in 1996. Dr. Yoo holds Connecticut license 39532.
- NPI
- 1871598367NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496731416
- NPI enumeration date
- June 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 496-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ho Hyun Yoo practices at Charlotte Hungerford Hospital in Torrington, Connecticut
Dr. Yoo's primary practice is Charlotte Hungerford Hospital, at 540 Litchfield St, Torrington, CT 06790 in Litchfield County. The practice phone is (860) 496-6666.
- Charlotte Hungerford Hospital540 Litchfield St, Torrington, CT 06790 · Litchfield CountyPhone(860) 496-6666
Source: Dmand AI Affiliation Data
Dr. Ho Hyun Yoo is affiliated with 2 sites of care and 4 medical groups
Dr. Yoo's primary practice is Charlotte Hungerford Hospital in Torrington, Connecticut, part of Hartford HealthCare. Dr. Yoo is also affiliated with The Hospital of Central Connecticut. The medical group on file is The Hospital of Central Connecticut. Dmand AI also links Dr. Yoo to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ho Hyun Yoo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yoo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charlotte Hungerford Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ho Hyun Yoo is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. Yoo's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Yoo's licenses on file in 3 states: Connecticut, Kentucky and Ohio.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
- Kentucky license
- Ohio license
Emergency medicine physicians near Dr. Yoo
Counts of emergency medicine physicians 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. Ho Hyun Yoo billed Medicare for 476 services in 2024
CMS data shows 476 Medicare services from Dr. Yoo across 4 procedure codes in 2024, for 417 Medicare patients. Medicare paid $60,575 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yoo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3772024: 47626%
- Tests and treatments
- 2023: 132024: 0100%
Dr. Yoo compared with the Connecticut median for emergency medicine physicians, 2024
- Dr. Yoo
- Connecticut median
- Medicare services
- 476vs 24396% above
- Medicare patients
- 417vs 25067% above
- Part D claims
- 266vs 485.5 times
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Yoo'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ho Hyun Yoo treated 417 Medicare patients in 2024, average age 74
CMS counts 417 Medicare patients who saw Dr. Yoo in 2024. The largest group is 75 to 84, with 129 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.07, 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. Yoo's median patient age at 53, with 53% women.
Dr. Yoo's Medicare patients by age, 2024
Dr. Yoo's Medicare patients by sex, 2024
- Women22353%
- Men19447%
Chronic conditions among Dr. Yoo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Anxiety51%
- Mood disorders47%
- Ischemic heart disease40%
- Depression38%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yoo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ho Hyun Yoo wrote 421 Medicare Part D claims in 2024
In 2024, Dr. Yoo wrote 421 Medicare Part D claims for 293 patients. 96% of them were for generic drugs. CMS names the drug for 266 of them, across 8 drugs with 11 or more claims each, at $1,481 in total drug cost. In 2023, CMS named 210 claims across 8 drugs.
Dr. Yoo's Part D claims by kind of drug, 2024
- Generic403 claims96%
- Brand-name18 claims4%
Dr. Yoo'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. Yoo's Part D claims, 2024
- Opioids11%45 of 421 claims
- Antibiotics48%200 of 421 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: 2102024: 26627%
Drugs named by CMS: 8 in 2024, 8 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. Ho Hyun Yoo scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Yoo for performance year 2024, reported as part of a group. Dr. Yoo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Yoo's MIPS scores, performance year 2024
- 88of 100Final score
- 70.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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. Ho Hyun Yoo received $75 in industry payments from 2018 to 2022
CMS Open Payments shows 4 general payments to Dr. Yoo from 2 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $39.
General payments to Dr. Yoo by program year, 2018 to 2022
Companies that paid Dr. Yoo the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ho Hyun Yoo graduated from Yale University School of Medicine
Dr. Yoo graduated from Yale University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ho Hyun Yoo'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ho Hyun Yoo
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. Ho Hyun Yoo's NPI number?
Dr. Ho Hyun Yoo's NPI number is 1871598367. It was assigned on June 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ho Hyun Yoo?
Dr. Ho Hyun Yoo is an emergency medicine physician in Torrington, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ho Hyun Yoo practice?
Dr. Yoo practices at 540 Litchfield St, Torrington, CT 06790. Dr. Yoo's primary practice is Charlotte Hungerford Hospital in Torrington, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Yoo to 3 medical groups.
What is Dr. Ho Hyun Yoo's office phone number?
The practice phone on file for Dr. Yoo is (860) 496-6666.
What is Dr. Ho Hyun Yoo's medical license number?
Dr. Yoo holds Connecticut license 39532, one of the licenses on file in 3 states.
Which states has Dr. Ho Hyun Yoo been licensed in?
Dmand AI has state licenses on file for Dr. Yoo in Connecticut, Kentucky and Ohio.
Which hospitals is Dr. Ho Hyun Yoo affiliated with?
Dr. Yoo practices at Charlotte Hungerford Hospital in Torrington, Connecticut. Dr. Yoo is also affiliated with The Hospital of Central Connecticut.
What medical group is Dr. Ho Hyun Yoo part of?
Dr. Yoo is linked to The Hospital of Central Connecticut. Dmand AI links Dr. Yoo to 3 more medical groups.
Does Dr. Ho Hyun Yoo accept Medicare?
Yes. CMS data shows Dr. Yoo billed Medicare for 476 services in 2024, and Dr. Yoo accepts Medicare assignment.
What is Dr. Ho Hyun Yoo's MIPS score?
Dr. Yoo's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Ho Hyun Yoo see?
CMS counts 417 Medicare patients who saw Dr. Yoo in 2024, with an average age of 74.
What services does Dr. Ho Hyun Yoo bill to Medicare?
In 2024, Dr. Yoo's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Ho Hyun Yoo go to medical school?
Dr. Yoo graduated from Yale University School of Medicine in 1996.
What drugs does Dr. Ho Hyun Yoo prescribe most?
In 2024 Medicare Part D data, Dr. Yoo's most prescribed drugs by claims were Cephalexin, Azithromycin and Amoxicillin-Clavulanate Potass.
Has Dr. Ho Hyun Yoo received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Dr. Yoo from 2 companies from 2018 to 2022. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Ho Hyun Yoo been practicing?
Dr. Yoo graduated from medical school in 1996, 30 years ago.
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