William S. Jonas, M.D.
Hematology & Oncology Physician · Atlanta, GA
William S. Jonas, M.D. is a hematology & oncology physician with a practice address in Atlanta, Georgia, and NPI 1962443051, issued on Jun 9, 2006. Check the license (Georgia 052586, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- William S. Jonas
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 052586 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Howell Mill RD NW Ste 800, Atlanta, GA 30318
- Phone
- (404) 350-9853
- Enumerated
- Jun 9, 2006
- Record last updated
- Sep 12, 2025
- Fax
- (404) 350-8407
- Medicare enrollment
- Enrolled (PECOS I20060721000199); may accept Medicare assignment
- Medical or professional school
- Hahneman Medical College Of The Pacific, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 396 in Georgia → Look up another NPI →
Also registered at 1800 Howell Mill RD NW Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nikita Amin, MDHematology & Oncology Physician1649536145
- Laura BealsOncology Registered Nurse1477158699
- Yosef Giles, PA-CPhysician Assistant1811138126
- Scott Helms, PA-CMedical Physician Assistant1033229638
- Kyle Kidwell, MDHematology & Oncology Physician1013570829
- Rebecca KolbasHematology & Oncology Physician1386159796
Verify William S. Jonas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 052586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,166 Medicare Part D claims for 347 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 131 claims were for opioids.
Most prescribed
- Anastrozole161 claims
- Eliquis152 claims
- Valacyclovir116 claims
- Sulfamethoxazole-Trimethoprim99 claims
- Hydroxyurea86 claims
- Prochlorperazine Maleate86 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.
The MIPS final score for 2023 (Medicare payment program): 99.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,694.10
71 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Piedmont Cancer Institute PCStockbridge, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William S. Jonas among 396 hematology & oncology physician records in Georgia
William S. Jonas, M.D. is one of 396 hematology & oncology physician records with a practice address in Georgia. 85% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 49% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2000 · median 2002 among the 300 with a school on file
- Record last updated2025 · 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 207RH0003X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Georgia
There are 396 hematology & oncology physician records in Georgia.
All 396 in Georgia → Every provider in Atlanta → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Nikita Amin, MDAtlanta, GA 303181649536145
- Wiley Ballard, M.D.Atlanta, GA 303181700834926
- Kyle Kidwell, MDAtlanta, GA 303181013570829
- Rebecca KolbasAtlanta, GA 303181386159796
- Sri Lakshmi Kollepara, MDAtlanta, GA 303181326351834
- Richard Leff, M.D.Atlanta, GA 303181356479190
- Eric Mininberg, M.D.Atlanta, GA 303181275591067
- Trailokya Pandit, M.D.Atlanta, GA 303181538329560
Common questions
What is William S. Jonas, M.D.'s NPI number?
William S. Jonas, M.D.'s National Provider Identifier (NPI) is 1962443051, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William S. Jonas, M.D. located?
The NPPES record lists a practice address at 1800 Howell Mill RD NW Ste 800, Atlanta, GA, 30318. Phone: (404) 350-9853. Providers update this record themselves, so call before visiting.
How can I verify William S. Jonas, M.D.'s license?
NPPES lists Georgia license number 052586, 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 S. Jonas, M.D. prescribe under Medicare Part D?
In 2024, William S. Jonas, M.D. had 2,166 Medicare Part D claims for 347 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is William S. Jonas, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.