NPPES file of Aug 9, 2026

Ho Hyun Yoo, MD

Emergency Medicine Physician · New Britain, CT

Ho Hyun Yoo, MD is an emergency medicine physician with a practice address in New Britain, Connecticut, and NPI 1871598367, issued on Jun 20, 2005. Check the license (Connecticut 39532, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871598367
Name
Ho Hyun Yoo
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
39532 CT
KY44320 KY
35084147 OH
Self-reported in NPPES; status is on the state search
Practice location
100 Grand St, New Britain, CT 06052
Phone
(860) 224-5675
Enumerated
Jun 20, 2005
Record last updated
Jul 21, 2022
Fax
(860) 224-5774
Medicaid IDs
200477230 IN
2484379 OH
64080906 KY
Medicare enrollment
Enrolled (PECOS I20170908000462); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Grand St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha Abraham, PA-CSurgical Physician Assistant1922580984
  2. Atif Afzal, M.D.Internal Medicine Physician1760770234
  3. Casey Aivano, APRNFamily Nurse Practitioner1366050411
  4. Kelly Alberdi, LCSWClinical Social Worker1750575452
  5. Farhana Alladin, M.DInternal Medicine Physician1891361101
  6. Maria Allen, PA-CSurgical Physician Assistant1093034431

Verify Ho Hyun Yoo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 39532
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% more Medicare Part D claims than the average emergency medicine physician in 2024

421 Medicare Part D claims for 293 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 45 claims were for opioids.

  1. Ho Yoo421
  2. Specialty average226

Most prescribed

  1. Cephalexin52 claims
  2. Azithromycin51 claims
  3. Amoxicillin-Clavulanate Potass38 claims
  4. Oxycodone-Acetaminophen31 claims
  5. Prednisone30 claims
  6. Sulfamethoxazole-Trimethoprim29 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 83.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score72.2
  2. Costout of 100 · 30%56.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Charlotte Hungerford HospitalTorrington, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ho Hyun Yoo among 846 emergency medicine physician records in Connecticut

Ho Hyun Yoo, MD is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1996 · median 2011 among the 574 with a school on file
  • Record last updated2022 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 emergency medicine physician records list a practice address in New Britain

They are 33 of the 1,772 NPPES records with a practice address in New Britain, and 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Buono, M.D.New Britain, CT 060521659321305
  2. Ronald Clark, M.D.New Britain, CT 060521154369965
  3. Dennis Dolce, M.D.New Britain, CT 060521699701946
  4. Louis Graff, M.D.New Britain, CT 060521013968767
  5. Rene Hipona, M.D.New Britain, CT 060521801846670
  6. Eric Hobert, M.D.New Britain, CT 060521639148653
  7. William Karp, M.D.05New Britain, CT 060521174550297
  8. Edward Kim, M.D.New Britain, CT 060521598717159

Common questions

What is Ho Hyun Yoo, MD's NPI number?

Ho Hyun Yoo, MD's National Provider Identifier (NPI) is 1871598367, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ho Hyun Yoo, MD located?

The NPPES record lists a practice address at 100 Grand St, New Britain, CT, 06052. Phone: (860) 224-5675. Providers update this record themselves, so call before visiting.

How can I verify Ho Hyun Yoo, MD's license?

NPPES lists Connecticut license number 39532, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ho Hyun Yoo, MD prescribe under Medicare Part D?

In 2024, Ho Hyun Yoo, MD had 421 Medicare Part D claims for 293 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Ho Hyun Yoo, MD's MIPS final score?

The 2023 MIPS final score is 83.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.