Ralph F. Winkler, MD
Anatomic Pathology & Clinical Pathology Physician · Alpharetta, GA
Ralph F. Winkler, MD is an anatomic pathology & clinical pathology physician with a practice address in Alpharetta, Georgia, and NPI 1336124395, issued on Dec 13, 2005. Check the license (Georgia 63754, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ralph F. Winkler
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- 63754 GA
MME85823 FL
Self-reported in NPPES; status is on the state search - Practice location
- 6240 Shiloh RD, Alpharetta, GA 30005
- Phone
- (855) 422-5628
- Enumerated
- Dec 13, 2005
- Record last updated
- Dec 15, 2022
- Fax
- (205) 579-9387
- Medicaid ID
- 276071100 FL
- Medicare enrollment
- Enrolled (PECOS I20120206000510); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 425 in Georgia → Look up another NPI →
Also registered at 6240 Shiloh RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Acker, M.D.General Practice Physician1851754600
- Wayne Bakotic, D.O.Dermatopathology (Pathology) Physician1295798320
- John Grimwood, M.D.Anatomic Pathology & Clinical Pathology Physician1184698391
- Darren Harris, MDAnatomic Pathology & Clinical Pathology Physician1942259668
- Carolina Montes, MDAnatomic Pathology & Clinical Pathology Physician1861480980
- Eli Piatigorsky, M.D.Dermatopathology Physician1700900263
Verify Ralph F. Winkler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 63754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Bakotic Pathology Associates, LLCAlpharetta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph F. Winkler among 425 anatomic pathology & clinical pathology physician records in Georgia
Ralph F. Winkler, MD is one of 425 anatomic pathology & clinical pathology physician records with a practice address in Georgia. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1978 · median 2003 among the 214 with a school on file
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Georgia
There are 425 anatomic pathology & clinical pathology physician records in Georgia.
All 425 in Georgia → Every provider in Alpharetta → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- John Grimwood, M.D.Alpharetta, GA 300051184698391
- Darren Harris, MDAlpharetta, GA 300051942259668
- Carolina Montes, MDAlpharetta, GA 300051861480980
- Steve (eustace) Kargas, MD, PHDAlpharetta, GA 300041427244193
- Tara Chang, MDAlpharetta, GA 300091316112451
- Nancy Covington, M.D.Alpharetta, GA 300091215074893
- Monica AbdelmalakConyers, GA 300121528520574
- Neil Edgerton, M.D.Conyers, GA 300121063695773
Common questions
What is Ralph F. Winkler, MD's NPI number?
Ralph F. Winkler, MD's National Provider Identifier (NPI) is 1336124395, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ralph F. Winkler, MD located?
The NPPES record lists a practice address at 6240 Shiloh RD, Alpharetta, GA, 30005. Phone: (855) 422-5628. Providers update this record themselves, so call before visiting.
How can I verify Ralph F. Winkler, MD's license?
NPPES lists Georgia license number 63754, 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.
What is Ralph F. Winkler, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.