William Jonas, M.D.
NPI 1962443051 · Hematology & Oncology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Jonas, M.D. is a Hematology & Oncology Physician provider in Atlanta, GA (NPI 1962443051).
Provider details
- NPI number
- 1962443051
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 052586 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,600 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,643 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,090 | $82 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 506 | $116 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 292 | $25 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 285 | $116 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 161 | 44 |
| Apixabanbrand: Eliquis | 152 | 31 |
| Valacyclovir Hclbrand: Valacyclovir | 116 | 31 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 99 | 20 |
| Hydroxyurea | 86 | 21 |
| Prochlorperazine Maleate | 86 | 57 |
| Osimertinib Mesylatebrand: Tagrisso | 80 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,694 across 71 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1267 Highway 54 W Ste 4200Fayetteville, GA 30214-2112Phone: (678) 829-1060Fax: (678) 829-1099
- 775 Poplar Rd Ste 310Newnan, GA 30265-8303Phone: (770) 251-2590Fax: (770) 251-1490
- 1240 Eagles Landing Pkwy Ste 260Stockbridge, GA 30281-5173Phone: (678) 854-9500Fax: (678) 854-9502
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2025-09-12
- Certified
- 2020-05-11
Frequently asked questions
- What is William Jonas's NPI number?
- William Jonas's National Provider Identifier (NPI) is 1962443051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Jonas's specialty?
- William Jonas is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Jonas located?
- William Jonas's practice location on file with NPPES is 1800 Howell Mill Rd Nw Ste 800, Atlanta, GA 30318-0922.
- What is William Jonas's phone number?
- The practice phone number listed in the NPPES registry for William Jonas is (404) 350-9853.
- Does William Jonas accept Medicare?
- William Jonas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Jonas's NPI active?
- Yes — William Jonas's NPI (1962443051) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.