Mary Kathryn McMahan, MD
Internal Medicine Physician · Baxley, GA
Mary Kathryn McMahan, MD is an internal medicine physician with a practice address in Baxley, Georgia, and NPI 1205021193, issued on Sep 13, 2007. Check the license (Georgia 062860, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Kathryn McMahan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 062860 GA
Self-reported in NPPES; status is on the state search - Practice location
- 163 E Tollison St, Baxley, GA 31513
- Phone
- (912) 367-9841
- Enumerated
- Sep 13, 2007
- Record last updated
- Feb 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (912) 367-7203
- Medicaid IDs
- 752201798A GA
G62860 SC - Medicare enrollment
- Enrolled (PECOS I20090820000428); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 163 E Tollison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlie Jones, PA-CPhysician Assistant1912527359
- Beth Smith, CRNAAnesthesiologist Assistant1679655989
- Wanda Smith, NPNurse Practitioner1912074139
- Crystal Wood, BSN, RNPsychiatric/Mental Health Registered Nurse1891373288
- Victoria Woods, CRNACertified Registered Nurse Anesthetist1437128774
Verify Mary Kathryn McMahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 062860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
325 Medicare Part D claims for 143 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium16 claims
- Pantoprazole Sodium14 claims
- Oxycodone Hcl12 claims
- Cefdinir11 claims
- Eliquis11 claims
- Metoprolol Tartrate11 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: $99.67
5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Cogent Healthcare OF Georgia PCSavannah, GA
- Hospital Medicine Services OF GA LLCSavannah, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Kathryn McMahan among 3,911 internal medicine physician records in Georgia
Mary Kathryn McMahan, MD is one of 3,911 internal 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 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 49% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2006 · median 2005 among the 2,535 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Baxley
They are 5 of the 126 NPPES records with a practice address in Baxley, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Baxley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Orlando Fernando, M.D.Baxley, GA 315131982663381
- Bruce Gioia, MDBaxley, GA 315131427095827
- Errol Graham, M.D.Baxley, GA 315131821081860
- Michael Moss, MDBaxley, GA 315131851554935
- Khadijatu Allen, MDAlma, GA 315101235185455
- Harrison Carter, MDAlma, GA 315101043221492
- Neha Kakkar, M.DAlma, GA 315101518318054
- Aftab Ahmad, MDBrunswick, GA 315201902807381
Common questions
What is Mary Kathryn McMahan, MD's NPI number?
Mary Kathryn McMahan, MD's National Provider Identifier (NPI) is 1205021193, issued on Sep 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kathryn McMahan, MD located?
The NPPES record lists a practice address at 163 E Tollison St, Baxley, GA, 31513. Phone: (912) 367-9841. Providers update this record themselves, so call before visiting.
How can I verify Mary Kathryn McMahan, MD's license?
NPPES lists Georgia license number 062860, 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 Mary Kathryn McMahan, MD prescribe under Medicare Part D?
In 2024, Mary Kathryn McMahan, MD had 325 Medicare Part D claims for 143 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.