Karen Nicole Duvall, D.O.
Family Medicine Physician · Johns Creek, GA
Karen Nicole Duvall, D.O. is a family medicine physician with a practice address in Johns Creek, Georgia, and NPI 1235499724, issued on May 18, 2012. Check the license (Georgia 068149, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Nicole Duvall
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 068149 GA
OS11048 FL
Self-reported in NPPES; status is on the state search - Practice location
- 10475 Medlock Bridge RD, Johns Creek, GA 30097
- Phone
- (678) 990-4828
- Enumerated
- May 18, 2012
- Record last updated
- Aug 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120813000309); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2009
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,951 in Georgia → Look up another NPI →
Also registered at 10475 Medlock Bridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Nicole Duvall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 068149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,879 Medicare Part D claims for 330 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium199 claims
- Amlodipine Besylate151 claims
- Lisinopril134 claims
- Levothyroxine Sodium118 claims
- Rosuvastatin Calcium95 claims
- Pravastatin Sodium74 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: $680.06
31 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.
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
- Ivy Falls Family MedicineDuluth, GA
- Legacy Healthcare Services IncWinder, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Nicole Duvall among 3,951 family medicine physician records in Georgia
Karen Nicole Duvall, D.O. is one of 3,951 family medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.
- NPI issued2012 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2009 · median 2005 among the 2,542 with a school on file
- Record last updated2012 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Johns Creek
They are 24 of the 840 NPPES records with a practice address in Johns Creek, and 3,951 family medicine physician records in Georgia.
All 3,951 in Georgia → Every provider in Johns Creek → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Neela Bakane, MDJohns Creek, GA 300971811088842
- Purnima Bansal, M.D.Duluth, GA 300971992955736
- Matthew Britton, MDDuluth, GA 300971083702252
- Ahmad Charkawi, MDJohns Creek, GA 300971982602074
- Lisa Culpepper, MDJohns Creek, GA 300971316951999
- Frank Curvin, M.D.Johns Creek, GA 300971457397382
- Paul Ellis, MDJohns Creek, GA 300971740297811
- Henry Gardiner, MDJohns Creek, GA 300971346275658
Common questions
What is Karen Nicole Duvall, D.O.'s NPI number?
Karen Nicole Duvall, D.O.'s National Provider Identifier (NPI) is 1235499724, issued on May 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karen Nicole Duvall, D.O. located?
The NPPES record lists a practice address at 10475 Medlock Bridge RD, Johns Creek, GA, 30097. Phone: (678) 990-4828. Providers update this record themselves, so call before visiting.
How can I verify Karen Nicole Duvall, D.O.'s license?
NPPES lists Georgia license number 068149, 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 Karen Nicole Duvall, D.O. prescribe under Medicare Part D?
In 2024, Karen Nicole Duvall, D.O. had 2,879 Medicare Part D claims for 330 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.