Dr. Lawrence D. Kaplan, MD

  • San Francisco, CA
  • Medical oncologist
NPI1437113586PAC ID0345324653
Medicare services, 2024
115
Medicare patients, 2024
63
Part D claims, 2024
142
Publications
79
Clinical trials
8
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 8 affiliations

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Dr. Lawrence D. Kaplan is a medical oncologist in San Francisco, California

Dr. Kaplan practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Kaplan's NPI, 1437113586, was assigned on April 14, 2006. Dr. Kaplan graduated from David Geffen School of Medicine at UCLA in 1980. Dr. Kaplan's California license number on file is G51737.

NPI and contact details
Medicare PAC ID
0345324653
NPI enumeration date
April 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Lawrence D. Kaplan practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Kaplan's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Lawrence D. Kaplan is affiliated with 4 sites of care and 4 medical groups

Dr. Kaplan's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Kaplan to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Kaplan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Lawrence D. Kaplan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaplan practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Lawrence D. Kaplan is one of 415 medical oncologists in California

Medical oncology is Dr. Kaplan's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Kaplan is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kaplan has a license on file in California.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense G51737 · 1983 to 2025 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists chronic leukemia, immune deficiency disease, lymphoma and purpura and thrombocytopenia among the conditions Dr. Kaplan treats.

Medical oncologists near Dr. Kaplan

Counts of medical 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 D. Kaplan billed Medicare for 115 services in 2024

CMS data shows 115 Medicare services from Dr. Kaplan across 2 procedure codes in 2024, all of them office visits, for 63 Medicare patients. Medicare paid $9,638 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024115
Medicare patients63
Paid by Medicare$9,638
Procedure codes2

Dr. Kaplan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1482024: 11522%

Dr. Kaplan compared with the California median for medical oncologists, 2024

  • Dr. Kaplan
  • California median
Medicare services
115vs 49677% below
Medicare patients
63vs 15459% below
Part D claims
115vs 14420% below

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Kaplan'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.

See all procedures by Dr. Kaplan

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

Dr. Lawrence D. Kaplan treated 63 Medicare patients in 2024, average age 75

CMS counts 63 Medicare patients who saw Dr. Kaplan in 2024. The largest group is 65 to 74, with 26 patients. 65% of them have high cholesterol, and 56% have high blood pressure. 19% are also on Medicaid. Their average risk score is 2.25, 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. Kaplan's median patient age at 73, with 49% women.

Medicare patients, 202463
Average age75
Average risk score2.25
Also on Medicaid19%

Dr. Kaplan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Kaplan's Medicare patients by sex, 2024

  • Women3048%
  • Men3352%

Chronic conditions among Dr. Kaplan's Medicare patients, 2024

  1. High cholesterol65%
  2. High blood pressure56%
  3. Arthritis37%
  4. Chronic kidney disease30%
  5. Diabetes22%
  6. Ischemic heart disease21%
  7. Osteoporosis19%
  8. Atrial fibrillation17%

Share of Medicare patients with each condition. A patient can have several.

Dr. Kaplan's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women49%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Lawrence D. Kaplan wrote 142 Medicare Part D claims in 2024

In 2024, Dr. Kaplan wrote 142 Medicare Part D claims for 20 patients. 29% of them were for generic drugs. CMS names the drug for 115 of them, across 4 drugs with 11 or more claims each, at $1,485,782 in total drug cost. In 2023, CMS named 118 claims across 4 drugs.

Part D claims, 2024142
Drugs named by CMS4
Total drug cost$1.5M
Part D patients20

Dr. Kaplan's Part D claims by kind of drug, 2024

  • Generic41 claims29%
  • Brand-name101 claims71%

Dr. Kaplan'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: 1182024: 1153%

Drugs named by CMS: 4 in 2024, 4 in 2023.

See all prescribing by Dr. Kaplan

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 D. Kaplan scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Kaplan for performance year 2024, reported as part of a group. Dr. Kaplan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kaplan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Kaplan's MIPS scores, performance year 2024

  • 87of 100Final score
  • 86.8of 100Quality
  • 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 D. Kaplan has 79 publications on record

Dmand AI links 79 papers to Dr. Kaplan, published from 2005 to 2023. 2013 was the busiest year, with 3. The most frequent topics are Lymphoma, AIDS-Related, Acquired Immunodeficiency Syndrome and Antineoplastic Combined Chemotherapy Protocols. Dr. Kaplan has published most often in J Clin Oncol. Dr. Kaplan's most frequent co-authors are Paul A. Volberding, MD, Donald Ira Abrams, MD and Charalambos I. Andreadis, MD.

Papers79
Years published2005 to 2023

Dr. Kaplan's papers by year, 2013 to 2023

Topics Dr. Kaplan writes about most

  • Lymphoma, AIDS-Related
  • Acquired Immunodeficiency Syndrome
  • Antineoplastic Combined Chemotherapy Protocols
  • Lymphoma, Non-Hodgkin
  • HIV Infections
  • Vincristine
  • Cyclophosphamide
  • Doxorubicin

Dr. Kaplan's most frequent co-authors

Recent publications by Dr. Kaplan

See all 79 publications and co-authors

See who Dr. Kaplan researches with

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

How network discovery works

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

Dr. Lawrence D. Kaplan has worked on 8 clinical trials

Dmand AI links Dr. Kaplan to 8 clinical trials, 4 of them phase 2 studies. Conditions studied include Lymphoma, Non-Hodgkin, Burkitt Lymphoma and Lymphoma. National Cancer Institute (NCI) sponsors the most, 2.

Clinical trials with Dr. Kaplan by phase

  1. 1Early phase 1: 1 trial
  2. 1Phase 1: 1 trial
  3. 1Phase 1/2: 1 trial
  4. 4Phase 2: 4 trials
  5. 1Phase 3: 1 trial
  6. NonePhase 4: no trials

Conditions in Dr. Kaplan's trials

  • Lymphoma, Non-Hodgkin
  • Burkitt Lymphoma
  • Lymphoma
  • Lymphoma, Mantle-Cell
  • Epstein-Barr Virus Infections

Investigators on the most trials with Dr. Kaplan

Recent clinical trials with Dr. Kaplan

See all 8 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Lawrence D. Kaplan received $4,814 in industry payments from 2016 to 2023

CMS Open Payments shows 11 general payments to Dr. Kaplan from 6 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 83% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $4,464.

General payments to Dr. Kaplan by program year, 2016 to 2023

General payments to Dr. Kaplan by kind, 2016 to 2023

$4.8Kin total
  • Consulting fees$4,00083%
  • Travel and lodging$46410%
  • Food and beverage$3367%
  • Education$140%

Companies that paid Dr. Kaplan the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Kaplan

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

Dr. Lawrence D. Kaplan has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Kaplan, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Kaplan

  1. 2014
    • America's Top Doctors
  2. 2013
    • America's Top Doctors for Cancer
    • CMS Stage 1 EHR
  3. Undated
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Lawrence D. Kaplan graduated from David Geffen School of Medicine at UCLA

Dr. Kaplan graduated from David Geffen School of Medicine at UCLA in 1980. Dr. Kaplan is a member of ASCO and ASH.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Lawrence D. Kaplan accepts plans from 8 insurance carriers

Dr. Kaplan is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Kaplan accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Lawrence D. Kaplan'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Lawrence D. Kaplan

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 D. Kaplan's NPI number?

Dr. Lawrence D. Kaplan's NPI number is 1437113586. It was assigned on April 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Lawrence D. Kaplan?

Dr. Lawrence D. Kaplan is a medical oncologist in San Francisco, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Lawrence D. Kaplan practice?

Dr. Kaplan practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Kaplan's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Kaplan to 3 group practices and clinics and 3 medical groups.

What is Dr. Lawrence D. Kaplan's office phone number?

The practice phone on file for Dr. Kaplan is (415) 353-2733.

What is Dr. Lawrence D. Kaplan's medical license number?

Dr. Kaplan's California license number on file is G51737.

Which hospitals is Dr. Lawrence D. Kaplan affiliated with?

Dr. Kaplan practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Lawrence D. Kaplan part of?

Dr. Kaplan is linked to UCSF Pediatrics. Dmand AI links Dr. Kaplan to 3 more medical groups.

Does Dr. Lawrence D. Kaplan accept Medicare?

Yes. CMS data shows Dr. Kaplan billed Medicare for 115 services in 2024, and Dr. Kaplan accepts Medicare assignment.

Does Dr. Lawrence D. Kaplan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kaplan as offering telehealth services.

What is Dr. Lawrence D. Kaplan's MIPS score?

Dr. Kaplan's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Lawrence D. Kaplan see?

CMS counts 63 Medicare patients who saw Dr. Kaplan in 2024, with an average age of 75.

Is Dr. Lawrence D. Kaplan board certified?

Yes. Dr. Kaplan is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Lawrence D. Kaplan bill to Medicare?

In 2024, Dr. Kaplan's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Lawrence D. Kaplan go to medical school?

Dr. Kaplan graduated from David Geffen School of Medicine at UCLA in 1980.

What drugs does Dr. Lawrence D. Kaplan prescribe most?

In 2024 Medicare Part D data, Dr. Kaplan's most prescribed drugs by claims were Calquence, Brukinsa and Imbruvica.

Has Dr. Lawrence D. Kaplan received payments from drug or device companies?

CMS Open Payments shows $4,814 in general payments to Dr. Kaplan from 6 companies from 2016 to 2023. The largest total came from Bayer HealthCare Pharmaceuticals Inc.

How long has Dr. Lawrence D. Kaplan been practicing?

Dr. Kaplan graduated from medical school in 1980, 46 years ago.

Does Dr. Lawrence D. Kaplan do research?

Dmand AI links 79 publications to Dr. Kaplan, published from 2005 to 2023. Dr. Kaplan has worked on 8 clinical trials.

Who does Dr. Lawrence D. Kaplan publish with?

Dr. Kaplan's most frequent co-authors are Paul A. Volberding, MD (18 shared papers), Donald Ira Abrams, MD (9 shared papers) and Charalambos I. Andreadis, MD (8 shared papers).

What insurance does Dr. Lawrence D. Kaplan accept?

Dr. Kaplan is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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