Robert Justin Klafter, M.D.
Hematology & Oncology Physician · Stockbridge, GA
Robert Justin Klafter, M.D. is a hematology & oncology physician with a practice address in Stockbridge, Georgia, and NPI 1558360446, issued on Jul 21, 2005. Check the license (Georgia 45519, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Justin Klafter
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 45519 GA
201795 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1757 Rock Quarry RD Ste A, Stockbridge, GA 30281
- Phone
- (678) 284-6575
- Enumerated
- Jul 21, 2005
- Record last updated
- Mar 2, 2023
- Medicare enrollment
- Enrolled (PECOS I20160413001800); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 396 in Georgia → Look up another NPI →
Also registered at 1757 Rock Quarry RD Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amalia Bonano-Rios, MDHematology & Oncology Physician1881137412
- Emilie Hitron, NPNurse Practitioner1114304292
- Mohamed Issa, M.D.Hematology & Oncology Physician1225655285
Verify Robert Justin Klafter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 45519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
198 Medicare Part D claims for 57 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 16 claims were for opioids.
Most prescribed
- Anastrozole24 claims
- Dexamethasone17 claims
- Hydroxyurea14 claims
- Ondansetron Hcl13 claims
- Lenvima11 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 practice group's MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $623.85
30 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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 2 group practices
- Phoebe Putney Memorial Hospital, Inc.Albany, GA
- Piedmont Providers LLCAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Justin Klafter among 396 hematology & oncology physician records in Georgia
Robert Justin Klafter, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1994 · median 2002 among the 300 with a school on file
- Record last updated2023 · 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 Stockbridge → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Amalia Bonano-Rios, MDStockbridge, GA 302811881137412
- Jamie Haber, MDStockbridge, GA 302811447756242
- Padrica Hopkins-Menchion, MDStockbridge, GA 302811306824800
- Mohamed Issa, M.D.Stockbridge, GA 302811225655285
- Gurinderjit Kaur Sidhu, MDStockbridge, GA 302811043267628
- Ruth Sarmiento, M.D.Stockbridge, GA 302811609893072
- Darion Showell, D.O.Stockbridge, GA 302811740629096
- Lijo Simpson, MBBSStockbridge, GA 302811134106503
Common questions
What is Robert Justin Klafter, M.D.'s NPI number?
Robert Justin Klafter, M.D.'s National Provider Identifier (NPI) is 1558360446, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Justin Klafter, M.D. located?
The NPPES record lists a practice address at 1757 Rock Quarry RD Ste A, Stockbridge, GA, 30281. Phone: (678) 284-6575. Providers update this record themselves, so call before visiting.
How can I verify Robert Justin Klafter, M.D.'s license?
NPPES lists Georgia license number 45519, 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 Robert Justin Klafter, M.D. prescribe under Medicare Part D?
In 2024, Robert Justin Klafter, M.D. had 198 Medicare Part D claims for 57 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Robert Justin Klafter, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.5 of 100, reported for the practice group. 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.