Mahfuz Oumer Yonis, M.D.
Nephrology Physician · Atlanta, GA
Mahfuz Oumer Yonis, M.D. is a nephrology physician with a practice address in Atlanta, Georgia, and NPI 1164675898, issued on Oct 26, 2008. Check the license (Georgia 94950, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mahfuz Oumer Yonis
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 94950 GA
296661 NY
Self-reported in NPPES; status is on the state search - Practice location
- 275 Collier RD NW Ste 290, Atlanta, GA 30309
- Phone
- (404) 352-3300
- Enumerated
- Oct 26, 2008
- Record last updated
- Feb 12, 2026
- Fax
- (404) 477-2276
- Medicare enrollment
- Enrolled (PECOS I20230726003853); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Georgia → Look up another NPI →
Also registered at 275 Collier RD NW Ste 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aditya Ragunathan, MDNephrology Physician1932737335
Verify Mahfuz Oumer Yonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 94950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average nephrology physician in 2024
396 Medicare Part D claims for 98 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide41 claims
- Losartan Potassium31 claims
- Amlodipine Besylate23 claims
- Carvedilol23 claims
- Nifedipine Er22 claims
- Calcium Acetate21 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: $26.87
6 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Nephrology Consultants OF Georgia, P.C.Atlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahfuz Oumer Yonis among 417 nephrology physician records in Georgia
Mahfuz Oumer Yonis, M.D. is one of 417 nephrology physician records with a practice address in Georgia. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2011 · median 2001 among the 343 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Georgia
There are 417 nephrology physician records in Georgia.
All 417 in Georgia → Every provider in Atlanta → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Dariush Bahrami, MDAtlanta, GA 303091659354850
- Waindel Belizaire, D.O.Atlanta, GA 303091235193632
- Jerry Cooper, MDAtlanta, GA 303091396728598
- Eric Gibney, MDAtlanta, GA 303091992899207
- Erica Hartmann, MDAtlanta, GA 303091154306587
- Edrea Jones, MDAtlanta, GA 303091427031210
- Michael Katz, MDAtlanta, GA 303091336215037
- Sundus Lodhi, M.D.Atlanta, GA 303091770682825
Common questions
What is Mahfuz Oumer Yonis, M.D.'s NPI number?
Mahfuz Oumer Yonis, M.D.'s National Provider Identifier (NPI) is 1164675898, issued on Oct 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mahfuz Oumer Yonis, M.D. located?
The NPPES record lists a practice address at 275 Collier RD NW Ste 290, Atlanta, GA, 30309. Phone: (404) 352-3300. Providers update this record themselves, so call before visiting.
How can I verify Mahfuz Oumer Yonis, M.D.'s license?
NPPES lists Georgia license number 94950, 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 Mahfuz Oumer Yonis, M.D. prescribe under Medicare Part D?
In 2024, Mahfuz Oumer Yonis, M.D. had 396 Medicare Part D claims for 98 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.