Jeffrey Layne Cox, MD
Family Medicine Physician · Powder Springs, GA
Jeffrey Layne Cox, MD is a family medicine physician with a practice address in Powder Springs, Georgia, and NPI 1124290549, issued on Mar 25, 2008. Check the license (Georgia 68396, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Layne Cox
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 68396 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4250 Brownsville RD, Powder Springs, GA 30127
- Phone
- (678) 567-8000
- Enumerated
- Mar 25, 2008
- Record last updated
- Oct 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (770) 439-3555
- Medicare enrollment
- Enrolled (PECOS I20120919000016); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,951 in Georgia → Look up another NPI →
Also registered at 4250 Brownsville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Christa, MDFamily Medicine Physician1013908128
- Linda Cowart, CNPNurse Practitioner1467442756
- Georgia Forrest, MDFamily Medicine Physician1366767444
- Della Lertpenmaeta, CNPNurse Practitioner1912997206
- Ahmed Mahmood, MDFamily Medicine Physician1093394488
- Chiamaka Ngwudike, MDFamily Medicine Physician1720541881
Verify Jeffrey Layne Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 68396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family medicine physician in 2024
10,254 Medicare Part D claims for 905 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 170 claims were for opioids.
Most prescribed
- Atorvastatin Calcium581 claims
- Lisinopril453 claims
- Levothyroxine Sodium391 claims
- Amlodipine Besylate375 claims
- Losartan Potassium291 claims
- Metformin Hcl275 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 MIPS final score for 2023 (Medicare payment program): 92.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,454.87
86 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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 one group practice
- Wellstar Medical Group LLCPowder Springs, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Layne Cox among 3,951 family medicine physician records in Georgia
Jeffrey Layne Cox, MD 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2007 · median 2005 among the 2,542 with a school on file
- Record last updated2019 · 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).
8 family medicine physician records list a practice address in Powder Springs
They are 8 of the 380 NPPES records with a practice address in Powder Springs, and 3,951 family medicine physician records in Georgia.
All 3,951 in Georgia → Every provider in Powder Springs → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Christa, MDPowder Springs, GA 301271013908128
- Albert Edwards, M.DPowder Springs, GA 301271265505531
- Georgia Forrest, MDPowder Springs, GA 301271366767444
- Ahmed Mahmood, MDPowder Springs, GA 301271093394488
- Chiamaka Ngwudike, MDPowder Springs, GA 301271720541881
- Jack Saltz, M.D.Powder Springs, GA 301271336212513
- Christopher Wizner, MDPowder Springs, GA 301271902896293
- Tammy Allen, MDMableton, GA 301261861550865
Common questions
What is Jeffrey Layne Cox, MD's NPI number?
Jeffrey Layne Cox, MD's National Provider Identifier (NPI) is 1124290549, issued on Mar 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Layne Cox, MD located?
The NPPES record lists a practice address at 4250 Brownsville RD, Powder Springs, GA, 30127. Phone: (678) 567-8000. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Layne Cox, MD's license?
NPPES lists Georgia license number 68396, 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 Jeffrey Layne Cox, MD prescribe under Medicare Part D?
In 2024, Jeffrey Layne Cox, MD had 10,254 Medicare Part D claims for 905 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jeffrey Layne Cox, MD's MIPS final score?
The 2023 MIPS final score is 92.9 of 100. 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.