William Deferia, M.D.
General Practice Physician · Milledgeville, GA
William Deferia, M.D. is a general practice physician with a practice address in Milledgeville, Georgia, and NPI 1841202769, issued on Aug 12, 2006. Check the license (Georgia 022537, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Deferia
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 022537 GA
Self-reported in NPPES; status is on the state search - Practice location
- 620 Broad St, Milledgeville, GA 31062
- Phone
- (478) 445-4128
- Enumerated
- Aug 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00593381A GA
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 316 in Georgia → Look up another NPI →
Also registered at 620 Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ikechukwu Akunwanne, M.D.General Practice Physician1710995113
- Kamal Campbell, PH.D.Clinical Psychologist1447261581
- Sung Choi, M.D.Anesthesiology Physician1326050337
- Ernesto Coligado, M.D.General Practice Physician1336350750
- Yonghua Du, M.D.General Practice Physician1578679122
- Katherine Jacoby, M.D.Psychiatry Physician1710998554
Verify William Deferia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 022537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average general practice physician in 2024
43 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of 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.
William Deferia among 316 general practice physician records in Georgia
William Deferia, M.D. is one of 316 general practice physician records with a practice address in Georgia. 49% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 68% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileNo · 26% of these records are
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 general practice physician records list a practice address in Milledgeville
They are 6 of the 560 NPPES records with a practice address in Milledgeville, and 316 general practice physician records in Georgia.
All 316 in Georgia → Every provider in Milledgeville → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Ikechukwu Akunwanne, M.D.Milledgeville, GA 310621710995113
- Ernesto Coligado, M.D.Milledgeville, GA 310621336350750
- Yonghua Du, M.D.Milledgeville, GA 310621578679122
- David Steelman, M.D.Milledgeville, GA 310621437161924
- Wigberto Vivas, MDMilledgeville, GA 310621740462399
- Brian Siddall, M.D.Mc Rae, GA 310551205029352
- Chadwick Gaddis, D.O.Sandersville, GA 310821912295411
- Luis Ramos Santiago, MDSandersville, GA 310821639147531
Common questions
What is William Deferia, M.D.'s NPI number?
William Deferia, M.D.'s National Provider Identifier (NPI) is 1841202769, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Deferia, M.D. located?
The NPPES record lists a practice address at 620 Broad St, Milledgeville, GA, 31062. Phone: (478) 445-4128. Providers update this record themselves, so call before visiting.
How can I verify William Deferia, M.D.'s license?
NPPES lists Georgia license number 022537, 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 William Deferia, M.D. prescribe under Medicare Part D?
In 2024, William Deferia, M.D. had 43 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.