John Barry McKernan, MD
Specialist · Woodstock, GA
John Barry McKernan, MD is a specialist with a practice address in Woodstock, Georgia, and NPI 1336197755, issued on May 5, 2006. Check the license (Georgia 024838, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Barry McKernan
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 024838 GA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Professional Pkwy, Woodstock, GA 30188
- Phone
- (770) 924-8808
- Enumerated
- May 5, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (770) 924-8266
- Entity
- Type 1 · individual
8 nearest specialist records → All 845 in Georgia → Look up another NPI →
Also registered at 2001 Professional Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Franckowiak, RDRegistered Dietitian1649363847
- Cecilia Hartnett, M.ED.Speech-Language Pathologist1619666542
Verify John Barry McKernan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license 024838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $4,775.47
6 payments; by number, the most common kind was food and beverage; the largest payer was Steris Corporation. 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.
John Barry McKernan among 845 specialist records in Georgia
John Barry McKernan, MD is one of 845 specialist records with a practice address in Georgia. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2026 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Georgia
There are 845 specialist records in Georgia.
All 845 in Georgia → Every provider in Woodstock → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Stephanie Delgaudio-Riemann, M.D.Woodstock, GA 301881306819743
- Susan MariniWoodstock, GA 301881710344882
- Amanda Mawete, MS,PTWoodstock, GA 301881487710448
- Irene Reece, LMT, NDWoodstock, GA 301881053532838
- Richard Arasi, MDWoodstock, GA 301891447420971
- Daniel Frajt, LPCWoodstock, GA 301891114067634
- Benjamin Kelly, M.D.Woodstock, GA 301891073599833
- Jihyun Koo, M.D.Woodstock, GA 301891699737254
Common questions
What is John Barry McKernan, MD's NPI number?
John Barry McKernan, MD's National Provider Identifier (NPI) is 1336197755, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Barry McKernan, MD located?
The NPPES record lists a practice address at 2001 Professional Pkwy, Woodstock, GA, 30188. Phone: (770) 924-8808. Providers update this record themselves, so call before visiting.
How can I verify John Barry McKernan, MD's license?
NPPES lists Georgia license number 024838, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity 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.