Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William S Jonas, MD

Individual provider Hematology & Oncology Physician · NPI 1962443051

Dr. William S Jonas, MD is a Hematology/Oncology in Atlanta, Georgia. Graduated from Hahneman Medical College of the Pacific in 2000, 26 years ago. Practices with Piedmont Cancer Institute PC, a 44-clinician group, works from 4 locations and offers telehealth. Licensed in Georgia.

Years since qualifying
26
Trained at
Hahneman Medical College of the Pacific
Licensed in
GA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1800 Howell Mill Rd NW Ste 800
Atlanta, GA 30318-0922
Phone: (404) 350-9853
Fax: (404) 350-8407
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 1267 Highway 54 W Ste 4200, Fayetteville, GA 30214-2112 — (678) 829-1060
  • 775 Poplar Rd Ste 310, Newnan, GA 30265-8303 — (770) 251-2590
  • 1240 Eagles Landing Pkwy Ste 260, Stockbridge, GA 30281-5173 — (678) 854-9500

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 052586 (GA)

Record details

NPI number1962443051
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2006
Last updated in NPPESSeptember 12, 2025
Certification dateMay 11, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHAHNEMAN MEDICAL COLLEGE OF THE PACIFIC
Graduated 2000 (26 years in practice)
Group practice Piedmont Cancer Institute Pc — 44 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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