Dr. Lawrence Kleinberg, MD
- Medicare services, 2024
- 2,444
- Medicare patients, 2024
- 305
- Part D claims, 2024
- 39
- Publications
- 161
- Clinical trials
- 10
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. Kleinberg's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Lawrence Kleinberg is a radiation oncologist in Baltimore, Maryland
Dr. Kleinberg practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Kleinberg's NPI, 1952342214, was assigned on June 9, 2006. Dr. Kleinberg graduated from Yale School of Medicine in 1989. Dr. Kleinberg holds Maryland license D44461.
- NPI
- 1952342214NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547356115
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence Kleinberg practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Kleinberg's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lawrence Kleinberg is affiliated with 4 sites of care and 3 medical groups
Dr. Kleinberg's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Kleinberg is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Kleinberg to 2 more hospitals and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lawrence Kleinberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kleinberg practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lawrence Kleinberg is one of 100 radiation oncologists in Maryland
Radiation oncology is Dr. Kleinberg's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Kleinberg is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Kleinberg's licenses on file in 5 states: Maryland, District of Columbia, Virginia, North Carolina and New York.
Specialties and state licenses
- Radiation oncology, MarylandPrimary
- District of Columbia license
- Virginia license
- North Carolina license
- New York license
Clinical focus
Dmand AI lists bone cancer radiation, brain cancer radiation and brain tumor radiation among the conditions Dr. Kleinberg treats.
Radiation oncologists near Dr. Kleinberg
Counts of radiation 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. Lawrence Kleinberg billed Medicare for 2,444 services in 2024
CMS data shows 2,444 Medicare services from Dr. Kleinberg across 18 procedure codes in 2024, for 305 Medicare patients. Medicare paid $269,105 for them.
Dr. Kleinberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2,4092024: 2,03615%
- Other services
- 2023: 4642024: 29936%
- Office and hospital visits
- 2023: 1572024: 10931%
Where Dr. Kleinberg's Medicare services took place, 2024
- In an office93538%
- In a facility1,50962%
Dr. Kleinberg compared with the Maryland median for radiation oncologists, 2024
- Dr. Kleinberg
- Maryland median
- Medicare services
- 2,444vs 2,07618% above
- Medicare patients
- 305vs 24027% above
- Part D claims
- 25vs 25Close to median
Medians across 93 radiation oncologists in Maryland with Dmand AI profiles that report each measure.
Dr. Kleinberg's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kleinberg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kleinberg and other radiation oncologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence Kleinberg treated 305 Medicare patients in 2024, average age 72
CMS counts 305 Medicare patients who saw Dr. Kleinberg in 2024. The largest group is 65 to 74, with 174 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kleinberg's median patient age at 72, with 48% women.
Dr. Kleinberg's Medicare patients by age, 2024
Dr. Kleinberg's Medicare patients by sex, 2024
- Women12039%
- Men18561%
Chronic conditions among Dr. Kleinberg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer52%
- Arthritis43%
- Diabetes29%
- Ischemic heart disease29%
- Anxiety27%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kleinberg'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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence Kleinberg wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Kleinberg wrote 39 Medicare Part D claims for 20 patients. 92% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $326 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Kleinberg's Part D claims by kind of drug, 2024
- Generic36 claims92%
- Brand-name and other3 claims8%
Dr. Kleinberg's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 25108%
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Lawrence Kleinberg scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Kleinberg for performance year 2024, reported as part of a group. CMS lists Dr. Kleinberg as offering telehealth.
- Offers telehealth
- Yes
Dr. Kleinberg's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lawrence Kleinberg has 161 publications on record
Dmand AI links 161 papers to Dr. Kleinberg, published from 2006 to 2025. 2023 was the busiest year, with 18. The most frequent topics are Brain Neoplasms, Radiosurgery and Esophageal Neoplasms. Dr. Kleinberg has published most often in Int J Radiat Oncol Biol Phys. Dr. Kleinberg's most frequent co-authors are Kristin Janson Redmond, MD, Michael Lim, MD and Chetan Bettegowda, MD, PhD.
Dr. Kleinberg's papers by year, 2016 to 2025
Topics Dr. Kleinberg writes about most
- Brain Neoplasms
- Radiosurgery
- Esophageal Neoplasms
- Glioblastoma
- Disease Progression
- Cranial Irradiation
- Magnetic Resonance Imaging
- Adenocarcinoma
Dr. Kleinberg's most frequent co-authors
- Kristin Janson Redmond, MD66 shared papers
- Michael Lim, MD40 shared papers
- Chetan Bettegowda, MD, PhD20 shared papers
Recent publications by Dr. Kleinberg
See who Dr. Kleinberg researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kleinberg works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lawrence Kleinberg has worked on 10 clinical trials
Dmand AI links Dr. Kleinberg to 10 clinical trials, 5 of them phase 2 studies. 3 are still active or recruiting. Conditions studied include Glioblastoma, Astrocytoma and Gliosarcoma. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins sponsors the most, 8.
Clinical trials with Dr. Kleinberg by phase
- 1Early phase 1: 1 trial
- 1Phase 1: 1 trial
- 5Phase 2: 5 trials
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Kleinberg's trials
- Glioblastoma
- Astrocytoma
- Gliosarcoma
- Small Cell Lung Carcinoma
- Carcinoma, Bronchogenic
Investigators on the most trials with Dr. Kleinberg
- Kristin Janson Redmond, MD6 shared trials
- Russell K. Hales, MD2 shared trials
- Michael Lim, MD2 shared trials
Recent clinical trials with Dr. Kleinberg
Carmustine Wafer in Combination With Retifanlimab and Radiation With/Without Temozolomide in Subjects With Glioblastoma (opens in a new tab)
Pivotal, Randomized, Open-label Study of Optune® (Tumor Treating Fields) Concomitant with RT & TMZ for the Treatment of Newly Diagnosed GBM (opens in a new tab)
5 Fraction Stereotactic Radiosurgery With Temozolomide for Glioblastoma Multiforme (opens in a new tab)
Spectroscopic MRI-Guided Radiation Therapy Planning in Glioblastoma (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Lawrence Kleinberg received $51,967 in industry payments from 2016 to 2025
CMS Open Payments shows 94 general payments to Dr. Kleinberg from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 45% of the total. Novocure Inc. paid the most, $24,360. It also lists 2 research payments totaling $19,849 in 2017.
General payments to Dr. Kleinberg by program year, 2016 to 2025
General payments to Dr. Kleinberg by kind, 2016 to 2025
- Consulting fees$23,60345%
- Honoraria$15,39130%
- Travel and lodging$6,39112%
- Food and beverage$4,6839%
- Other$1,9004%
Companies that paid Dr. Kleinberg the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lawrence Kleinberg has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Kleinberg, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Kleinberg
- 2014
- America's Top Doctors
- 2013
- America's Top Doctors for Cancer
- CMS Stage 1 EHR
- 2012
- Top Doctors:Baltimore Area
- Top Doctors:Washington-Baltimore
Source: Dmand AI Professional Profile Data
Dr. Lawrence Kleinberg graduated from Yale School of Medicine
Dr. Kleinberg graduated from Yale School of Medicine in 1989. Dr. Kleinberg is a member of ASCO.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Lawrence Kleinberg accepts plans from 9 insurance carriers
Dr. Kleinberg is in network with 9 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- CareFirst BlueCross BlueShield
- Elevance
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Kleinberg accepts, by number of carriers
- Medicare6
- HMO5
- POS5
- PPO5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Lawrence Kleinberg's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lawrence Kleinberg
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. Lawrence Kleinberg's NPI number?
Dr. Lawrence Kleinberg's NPI number is 1952342214. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence Kleinberg?
Dr. Lawrence Kleinberg is a radiation oncologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Lawrence Kleinberg practice?
Dr. Kleinberg practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Kleinberg's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Kleinberg to 2 hospitals and 2 medical groups.
What is Dr. Lawrence Kleinberg's office phone number?
The practice phone on file for Dr. Kleinberg is (855) 662-3017.
What is Dr. Lawrence Kleinberg's medical license number?
Dr. Kleinberg holds Maryland license D44461, one of the licenses on file in 5 states.
Which states has Dr. Lawrence Kleinberg been licensed in?
Dmand AI has state licenses on file for Dr. Kleinberg in Maryland (1993 to 2026), District of Columbia (2019 to 2027), Virginia (2024 to 2026), North Carolina (2021 to 2022) and New York (1990 to 1994).
Which hospitals is Dr. Lawrence Kleinberg affiliated with?
Dr. Kleinberg is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Kleinberg to 2 more hospitals.
What medical group is Dr. Lawrence Kleinberg part of?
Dr. Kleinberg is linked to Johns Hopkins University. Dmand AI links Dr. Kleinberg to 2 more medical groups.
Does Dr. Lawrence Kleinberg accept Medicare?
Yes. CMS data shows Dr. Kleinberg billed Medicare for 2,444 services in 2024.
Does Dr. Lawrence Kleinberg offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kleinberg as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Lawrence Kleinberg's MIPS score?
Dr. Kleinberg's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lawrence Kleinberg see?
CMS counts 305 Medicare patients who saw Dr. Kleinberg in 2024, with an average age of 72.
Is Dr. Lawrence Kleinberg board certified?
Yes. Dr. Kleinberg is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Lawrence Kleinberg bill to Medicare?
In 2024, Dr. Kleinberg's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and medicare service (G6015).
Where did Dr. Lawrence Kleinberg go to medical school?
Dr. Kleinberg graduated from Yale School of Medicine in 1989.
What drugs does Dr. Lawrence Kleinberg prescribe most?
In 2024 Medicare Part D data, Dr. Kleinberg's most prescribed drugs by claims were Temazepam and Dexamethasone.
Has Dr. Lawrence Kleinberg received payments from drug or device companies?
CMS Open Payments shows $51,967 in general payments to Dr. Kleinberg from 16 companies from 2016 to 2025. The largest total came from Novocure Inc.
How long has Dr. Lawrence Kleinberg been practicing?
Dr. Kleinberg graduated from medical school in 1989, 37 years ago.
Does Dr. Lawrence Kleinberg do research?
Dmand AI links 161 publications to Dr. Kleinberg, published from 2006 to 2025. Dr. Kleinberg has worked on 10 clinical trials.
Who does Dr. Lawrence Kleinberg publish with?
Dr. Kleinberg's most frequent co-authors are Kristin Janson Redmond, MD (66 shared papers), Michael Lim, MD (40 shared papers) and Chetan Bettegowda, MD, PhD (20 shared papers).
What insurance does Dr. Lawrence Kleinberg accept?
Dr. Kleinberg is in network with 9 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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