NPPES file of Aug 9, 2026

Johan Koo, DO

Family Medicine Physician · Dawsonville, GA

Johan Koo, DO is a family medicine physician with a practice address in Dawsonville, Georgia, and NPI 1114280419, issued on Jun 21, 2012. Check the license (Georgia 77166, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1114280419
Name
Johan Koo
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
77166 GA
077166 GA
Self-reported in NPPES; status is on the state search
Practice location
108 Prominence CT Ste 200, Dawsonville, GA 30534
Phone
(706) 216-3238
Enumerated
Jun 21, 2012
Record last updated
Oct 9, 2023
Fax
(706) 216-5285
Medicare enrollment
Enrolled (PECOS I20170405001589); accepts Medicare assignment
Medical or professional school
Lincoln Memorial University Medical Department, 2012
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 108 Prominence CT Ste 200

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

  1. Katia Adams, M.D.Family Medicine Physician1649224114
  2. Kristen Gabaldon, DOFamily Medicine Physician1952006009
  3. Katelyn Goodwin, FNP-CFamily Nurse Practitioner1821647215
  4. Trey Gunter, MDFamily Medicine Physician1700264728
  5. Paige Hood, FNP-CFamily Nurse Practitioner1477038107
  6. John Travis Nelson, M.D.Family Medicine Physician1699120964

Verify Johan Koo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 77166
    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 Georgia license search

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46% fewer Medicare Part D claims than the average family medicine physician in 2024

1,900 Medicare Part D claims for 291 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Johan Koo1,900
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium93 claims
  2. Metformin Hcl62 claims
  3. Lisinopril56 claims
  4. Jardiance49 claims
  5. Trazodone Hcl48 claims
  6. Amlodipine Besylate45 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.

Industry payments in 2024: $853.51

48 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Johan Koo$853.51
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Northeast Georgia Physicians Group IncDawsonville, GA
  2. Peachtree Immediate Care FP, LLCCumming, GA

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

20 family medicine physician records list a practice address in Dawsonville

They are 20 of the 327 NPPES records with a practice address in Dawsonville, and 3,951 family medicine physician records in Georgia.

Other family medicine physician records in Georgia

  1. Hayden Aaron, MDAtlanta, GA1699139246
  2. Margaret Abate, MDCovington, GA1710962113
  3. Suzanne Abbasi, MDGrovetown, GA1285125310
  4. Zia Abdi, MDAtlanta, GA1881701936
  5. Hamdi Abdirahman, MDDahlonega, GA1811410244
  6. Nailah Abdulbaaqee, M.D.Atlanta, GA1396929873
  7. Tolulope Abe, MDDublin, GA1518540012
  8. Bruke Abenet, MDMacon, GA1063146157
  9. Ekata Abhulimen, MDNewnan, GA1093440158
  10. Dereje Aboye, M.D.Atlanta, GA1780857243

Common questions

What is Johan Koo, DO's NPI number?

Johan Koo, DO's National Provider Identifier (NPI) is 1114280419, issued on Jun 21, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Johan Koo, DO located?

The NPPES record lists a practice address at 108 Prominence CT Ste 200, Dawsonville, GA, 30534. Phone: (706) 216-3238. Providers update this record themselves, so call before visiting.

How can I verify Johan Koo, DO's license?

NPPES lists Georgia license number 77166, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Johan Koo, DO prescribe under Medicare Part D?

In 2024, Johan Koo, DO had 1,900 Medicare Part D claims for 291 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.