Dr. William Deferia, MD
- Part D claims, 2024
- 43
- Industry payments
- $255
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 620 Broad St, Milledgeville, GA 31062
- Practice phone
- Call (478) 445-4128
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Central State Hospital
Hospital · Milledgeville, Georgia
Find Dr. Deferia's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Deferia is a general practice physician in Milledgeville, Georgia
Dr. Deferia practices at Central State Hospital in Milledgeville, Georgia.
Dr. Deferia's NPI, 1841202769, was assigned on August 12, 2006. Dr. Deferia holds Georgia license 022537.
- NPI
- 1841202769NPI Registry (opens in a new tab)
- NPI enumeration date
- August 12, 2006
- NPI status
- Active
- Practice phone
- (478) 445-4128
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Deferia practices at Central State Hospital in Milledgeville, Georgia
Dr. Deferia's primary practice is Central State Hospital, at 620 Broad St, Milledgeville, GA 31062. The practice phone is (478) 445-4128.
- Central State Hospital620 Broad St, Milledgeville, GA 31062Phone(478) 445-4128
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. William Deferia is affiliated with 1 site of care and 1 medical group
Dr. Deferia's primary practice is Central State Hospital in Milledgeville, Georgia. The medical group on file is Central State Hospital.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Deferia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Deferia practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central State Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Deferia is one of 202 general practice physicians in Georgia
General practice is Dr. Deferia's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Deferia is licensed in Georgia.
Specialties and state licenses
- General practice, GeorgiaPrimary
General practice physicians near Dr. Deferia
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Deferia's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Deferia's median patient age at 67, with 100% women.
Dr. Deferia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. William Deferia wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Deferia wrote 43 Medicare Part D claims. 60% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $205 in total drug cost.
Dr. Deferia's Part D claims by kind of drug, 2024
- Generic26 claims60%
- Brand-name17 claims40%
Dr. Deferia's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. William Deferia received $255 in industry payments from 2018 to 2019
CMS Open Payments shows 13 general payments to Dr. Deferia from 3 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $187.
General payments to Dr. Deferia by program year, 2018 to 2019
Companies that paid Dr. Deferia the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Deferia's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Deferia
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Deferia's NPI number?
Dr. William Deferia's NPI number is 1841202769. It was assigned on August 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Deferia?
Dr. William Deferia is a general practice physician in Milledgeville, Georgia. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. William Deferia practice?
Dr. Deferia practices at 620 Broad St, Milledgeville, GA 31062. Dr. Deferia's primary practice is Central State Hospital in Milledgeville, Georgia.
What is Dr. William Deferia's office phone number?
The practice phone on file for Dr. Deferia is (478) 445-4128.
What is Dr. William Deferia's medical license number?
Dr. Deferia holds Georgia license 022537.
What medical group is Dr. William Deferia part of?
Dr. Deferia is linked to Central State Hospital.
What drugs does Dr. William Deferia prescribe most?
In 2021 Medicare Part D data, Dr. Deferia's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. William Deferia received payments from drug or device companies?
CMS Open Payments shows $255 in general payments to Dr. Deferia from 3 companies from 2018 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. William Deferia been practicing?
Dr. Deferia's NPI was assigned in 2006.
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