Jihyun Koo, M.D.
Specialist · Woodstock, GA
Jihyun Koo, M.D. is a specialist with a practice address in Woodstock, Georgia, and NPI 1699737254, issued on Apr 6, 2006. Check the license (Georgia 053254, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jihyun Koo
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 053254 GA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Stoneforest Dr, Woodstock, GA 30189
- Phone
- (770) 516-5199
- Enumerated
- Apr 6, 2006
- Record last updated
- May 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (770) 516-5188
- Medicare enrollment
- Enrolled (PECOS I20080915000354); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 100 Stoneforest Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tomas Chao, PAMedical Physician Assistant1316003577
- James Haley, M.D.Gynecology Physician1043250269
- Kimberly Nicholson, M.D.Dermatology Physician1427210475
Verify Jihyun Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license 053254Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average specialist in 2024
902 Medicare Part D claims for 354 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Ketoconazole165 claims
- Triamcinolone Acetonide113 claims
- Doxycycline Hyclate58 claims
- Fluocinonide58 claims
- Hydrocortisone55 claims
- Minoxidil50 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): 80.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $613.17
32 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Atlanta North Dermatology And Skin Care, Inc.Woodstock, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Specialist providers in Georgia
There are 845 specialist records in Georgia.
Other specialist records in Georgia
- Cynthia Abbott, M.D.Atlanta, GA1902898315
- Gene Abel, M.D.Atlanta, GA1427178169
- Tiffany AdamsForest Park, GA1215361910
- Azeez Adeduntan, MDAthens, GA1538138326
- Adejimi Adeniji, MDAtlanta, GA1750349676
- Nadeem Afzal, MDAugusta, GA1760480727
- Amr Agha, M.D.Douglasville, GA1184673238
- Saghir Ahmed, MDMacon, GA1699755009
- Muhammad Akbar, M.D.Macon, GA1891786299
- Ahmad Al-Hajj, M.D.Macon, GA1770784100
Common questions
What is Jihyun Koo, M.D.'s NPI number?
Jihyun Koo, M.D.'s National Provider Identifier (NPI) is 1699737254, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jihyun Koo, M.D. located?
The NPPES record lists a practice address at 100 Stoneforest Dr, Woodstock, GA, 30189. Phone: (770) 516-5199. Providers update this record themselves, so call before visiting.
How can I verify Jihyun Koo, M.D.'s license?
NPPES lists Georgia license number 053254, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Jihyun Koo, M.D. prescribe under Medicare Part D?
In 2024, Jihyun Koo, M.D. had 902 Medicare Part D claims for 354 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Jihyun Koo, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.6 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.