Dr. Leonard T. Heffner, MD

  • Atlanta, GA
  • Hematologist and oncologist
NPI1780791533
Medicare services, 2022
85
Part D claims, 2022
288
Publications
55
Clinical trials
1
Industry payments
$18,757
Practice address
540 New Haven SW Ct, Atlanta, GA 30331
Practice phone
Call (404) 778-1900
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Leonard T. Heffner is a hematologist and oncologist in Atlanta, Georgia

Dr. Heffner practices in Atlanta, Georgia.

Dr. Heffner's NPI, 1780791533, was assigned on August 25, 2006. Dr. Heffner graduated from Wake Forest University School of Medicine in 1969. Dr. Heffner holds Georgia license 15780.

NPI and contact details
NPI enumeration date
August 25, 2006
NPI status
Active
Practice phone
(404) 778-1900
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
83
Medical school graduation
1969

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Leonard T. Heffner's practice address is in Atlanta, Georgia

Dr. Heffner's practice address in the NPI Registry is 540 New Haven SW Ct, Atlanta, GA 30331, in Fulton County. The practice phone is (404) 778-1900.

  • NPI Registry address
    540 New Haven SW Ct, Atlanta, GA 30331 · Fulton CountyPhone(404) 778-1900

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Leonard T. Heffner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heffner practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Heffner's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Leonard T. Heffner is one of 379 hematologists and oncologists in Georgia

Hematology and oncology is Dr. Heffner's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Heffner is licensed in Georgia.

Specialties and state licenses

  • Hematology and oncology, GeorgiaPrimaryLicense 15780 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Heffner

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Leonard T. Heffner billed Medicare for 85 services in 2022

CMS data shows 85 Medicare services from Dr. Heffner across 2 procedure codes in 2022, all of them office visits. Medicare paid $3,084 for them. Every service was in an office.

Medicare services, 202285
Paid by Medicare$3,084
Procedure codes2

Dr. Heffner's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 3032022: 8572%

Dr. Heffner compared with the Georgia median for hematologists and oncologists, 2022

  • Dr. Heffner
  • Georgia median
Medicare services
85vs 69188% below
Part D claims
288vs 67557% below

Medians across 350 hematologists and oncologists in Georgia with Dmand AI profiles that report each measure.

Dr. Heffner's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Heffner

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Leonard T. Heffner's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Dr. Heffner's median patient age at 72, with 58% women.

Dr. Heffner's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women58%
  • Men42%

Source: Dmand AI Patient Panel Data

Dr. Leonard T. Heffner wrote 288 Medicare Part D claims in 2022

In 2022, Dr. Heffner wrote 288 Medicare Part D claims. They cover 12 drugs, with $2,416,366 in total drug cost. In 2021, CMS named 802 claims across 22 drugs.

Part D claims, 2022288
Drugs named by CMS12
Total drug cost$2.4M

Dr. Heffner's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 8022022: 28864%

Drugs named by CMS: 12 in 2022, 22 in 2021.

See all prescribing by Dr. Heffner

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Leonard T. Heffner has 55 publications on record

Dmand AI links 55 papers to Dr. Heffner, published from 2010 to 2022. 2019 was the busiest year, with 8. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Multiple Myeloma and Antibodies, Monoclonal, Humanized. Dr. Heffner has published most often in Clin Lymphoma Myeloma Leuk. Dr. Heffner's most frequent co-authors are Sagar Lonial, MD, Ajay K. Nooka, MD and Amelia A. Langston, MD.

Papers55
Years published2010 to 2022

Dr. Heffner's papers by year, 2013 to 2022

Topics Dr. Heffner writes about most

  • Antineoplastic Combined Chemotherapy Protocols
  • Multiple Myeloma
  • Antibodies, Monoclonal, Humanized
  • Dexamethasone
  • Salvage Therapy
  • Antineoplastic Agents
  • Benzodiazepines
  • B-Lymphocytes

Dr. Heffner's most frequent co-authors

Recent publications by Dr. Heffner

See all 55 publications and co-authors

See who Dr. Heffner researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Heffner works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Leonard T. Heffner has worked on 1 clinical trial

Dmand AI links Dr. Heffner to 1 clinical trial. Conditions studied include Multiple Myeloma and Blood Protein Disorders. Open Payments lists research payments to Dr. Heffner that name 1 trial.

Conditions in Dr. Heffner's trials

  • Multiple Myeloma
  • Blood Protein Disorders

Investigators on the most trials with Dr. Heffner

Recent clinical trials with Dr. Heffner

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Leonard T. Heffner received $18,757 in industry payments from 2016 to 2022

CMS Open Payments shows 33 general payments to Dr. Heffner from 10 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 69% of the total. Amgen Inc. paid the most, $4,198. It also lists 4 research payments totaling $359 in 2018, naming 1 clinical trial.

General payments to Dr. Heffner by program year, 2016 to 2022

General payments to Dr. Heffner by kind, 2016 to 2022

$18.8Kin total
  • Consulting fees$12,99569%
  • Speaker and faculty fees$2,40013%
  • Travel and lodging$2,33812%
  • Food and beverage$7194%
  • Education$3062%

Companies that paid Dr. Heffner the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Heffner

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Leonard T. Heffner graduated from Wake Forest University School of Medicine

Dr. Heffner graduated from Wake Forest University School of Medicine in 1969.

  1. Medical schoolWake Forest University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Leonard T. Heffner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Leonard T. Heffner

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Leonard T. Heffner's NPI number?

Dr. Leonard T. Heffner's NPI number is 1780791533. It was assigned on August 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Leonard T. Heffner?

Dr. Leonard T. Heffner is a hematologist and oncologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Leonard T. Heffner practice?

Dr. Heffner practices at 540 New Haven SW Ct, Atlanta, GA 30331.

What is Dr. Leonard T. Heffner's office phone number?

The practice phone on file for Dr. Heffner is (404) 778-1900.

What is Dr. Leonard T. Heffner's medical license number?

Dr. Heffner holds Georgia license 15780.

Does Dr. Leonard T. Heffner accept Medicare?

Yes. CMS data shows Dr. Heffner billed Medicare for 85 services in 2022.

What services does Dr. Leonard T. Heffner bill to Medicare?

In 2022, Dr. Heffner's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Leonard T. Heffner go to medical school?

Dr. Heffner graduated from Wake Forest University School of Medicine in 1969.

What drugs does Dr. Leonard T. Heffner prescribe most?

In 2022 Medicare Part D data, Dr. Heffner's most prescribed drugs by claims were Imbruvica, Valacyclovir and Revlimid.

Has Dr. Leonard T. Heffner received payments from drug or device companies?

CMS Open Payments shows $18,757 in general payments to Dr. Heffner from 10 companies from 2016 to 2022. The largest total came from Amgen Inc.

Show 3 more questionsShow fewer questions

How long has Dr. Leonard T. Heffner been practicing?

Dr. Heffner graduated from medical school in 1969, 57 years ago.

Does Dr. Leonard T. Heffner do research?

Dmand AI links 55 publications to Dr. Heffner, published from 2010 to 2022. Dr. Heffner has worked on 1 clinical trial.

Who does Dr. Leonard T. Heffner publish with?

Dr. Heffner's most frequent co-authors are Sagar Lonial, MD (25 shared papers), Ajay K. Nooka, MD (18 shared papers) and Amelia A. Langston, MD (17 shared papers).

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