Jihyun Koo, M.D.
NPI 1699737254 · Specialist · Woodstock, GA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jihyun Koo, M.D. is a Specialist provider in Woodstock, GA (NPI 1699737254).
Provider details
- NPI number
- 1699737254
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 053254 (GA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,892 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 734 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 473 | $90 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 357 | $44 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 342 | $128 |
| Biopsy of Related Skin Growth, First Growth11102 | 329 | $86 |
| Biopsy of Related Skin Growth, Each Additional Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 165 | 102 |
| Triamcinolone Acetonide | 113 | 101 |
| Doxycycline Hyclate | 58 | 42 |
| Fluocinonide | 58 | 44 |
| Hydrocortisone | 55 | 49 |
| Minoxidil | 50 | 16 |
| Clobetasol Propionate | 48 | 32 |
| Mupirocin | 42 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$613 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2015-05-19
Frequently asked questions
- What is Jihyun Koo's NPI number?
- Jihyun Koo's National Provider Identifier (NPI) is 1699737254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jihyun Koo's specialty?
- Jihyun Koo is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Jihyun Koo located?
- Jihyun Koo's practice location on file with NPPES is 100 Stoneforest Dr, Woodstock, GA 30189-4880.
- What is Jihyun Koo's phone number?
- The practice phone number listed in the NPPES registry for Jihyun Koo is (770) 516-5199.
- Does Jihyun Koo accept Medicare?
- Jihyun Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jihyun Koo's NPI active?
- Yes — Jihyun Koo's NPI (1699737254) is active in the NPPES registry as of the last update on 2015-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.