Janssen Jacob Williams, MD
Internal Medicine Physician · McDonough, GA
Janssen Jacob Williams, MD is an internal medicine physician with a practice address in McDonough, Georgia, and NPI 1568548790, issued on Oct 31, 2006. Check the license (Georgia 075176, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Janssen Jacob Williams
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 075176 GA
01076261A IN
19536 NE
Self-reported in NPPES; status is on the state search - Practice location
- 4303 Jodeco RD, McDonough, GA 30253
- Phone
- (618) 546-5464
- Enumerated
- Oct 31, 2006
- Record last updated
- Mar 26, 2025
- Fax
- (618) 546-2648
- Medicare enrollment
- Enrolled (PECOS I20160408001038); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 4303 Jodeco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Butters, PA-CPhysician Assistant1013469329
- Renee Corley, M.D.Family Medicine Physician1972605624
- Andrew Slavico, MDFamily Medicine Physician1255486056
- Mark Whitmer, PA-CMedical Physician Assistant1831373992
Verify Janssen Jacob Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 075176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,293 Medicare Part D claims for 458 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium116 claims
- Amlodipine Besylate91 claims
- Metformin Hcl83 claims
- Levothyroxine Sodium70 claims
- Rosuvastatin Calcium70 claims
- Lisinopril65 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: $647.55
23 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
Janssen Jacob Williams among 3,911 internal medicine physician records in Georgia
Janssen Jacob Williams, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1990 · median 2005 among the 2,535 with a school on file
- Record last updated2025 · 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).
Internal Medicine Physician providers in Georgia
There are 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in McDonough → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adam Anglyn, D.OMcDonough, GA 302531215321971
- Alicia Grady, M.D.McDonough, GA 302531235113002
- Erica Isom, MDMcDonough, GA 302531285991588
- Carrie Madej, DOMcDonough, GA 302531962492744
- Todd Meadows, M.D.McDonough, GA 302531992933576
- Samuel Obiorah, MDMcDonough, GA 302531265507818
- Gurkirat SidhuMcDonough, GA 302531275236879
- Samina Bhatti, M.D.McDonough, GA 302521205008935
Common questions
What is Janssen Jacob Williams, MD's NPI number?
Janssen Jacob Williams, MD's National Provider Identifier (NPI) is 1568548790, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janssen Jacob Williams, MD located?
The NPPES record lists a practice address at 4303 Jodeco RD, McDonough, GA, 30253. Phone: (618) 546-5464. Providers update this record themselves, so call before visiting.
How can I verify Janssen Jacob Williams, MD's license?
NPPES lists Georgia license number 075176, 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 Janssen Jacob Williams, MD prescribe under Medicare Part D?
In 2024, Janssen Jacob Williams, MD had 2,293 Medicare Part D claims for 458 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.