Dr. Larry Mark Weisenthal, MD, PhD

  • Huntington Beach, CA
  • Hematologist and oncologist
NPI1568497519
Part D claims, 2024
12
Publications
2
Industry payments
$130
State license
1
Year NPI issued
2006
Practice address
16512 Burke Lane, Huntington Beach, CA 92647-4538
Practice phone
Call (714) 596-2100
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. Larry Mark Weisenthal is a hematologist and oncologist in Huntington Beach, California

Dr. Weisenthal practices in Huntington Beach, California.

Dr. Weisenthal's NPI, 1568497519, was assigned on July 11, 2006. Dr. Weisenthal graduated from University Of Michigan Medical School in 1975. Dr. Weisenthal holds California license 66724.

NPI and contact details
NPI enumeration date
July 11, 2006
NPI status
Active
Practice phone
(714) 596-2100
Professional email
Get email
Personal email
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Mobile number
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Medical school graduation
1975

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

Dr. Larry Mark Weisenthal's practice address is in Huntington Beach, California

Dr. Weisenthal's practice address in the NPI Registry is 16512 Burke Lane, Huntington Beach, CA 92647-4538. The practice phone is (714) 596-2100.

  • NPI Registry address
    16512 Burke Lane, Huntington Beach, CA 92647-4538Phone(714) 596-2100

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

Dmand AI tracks the EHR system at Dr. Larry Mark Weisenthal's practice

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

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

Source: Dmand AI Technology Install Data

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Dr. Larry Mark Weisenthal is one of 1,502 hematologists and oncologists in California

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

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense 66724 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Weisenthal

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

1,502hematologists and oncologists in California
2hematologists and oncologists in Huntington Beach

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

Dr. Larry Mark Weisenthal wrote 12 Medicare Part D claims in 2024

In 2024, Dr. Weisenthal wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $5 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 202412
Drugs named by CMS1
Total drug cost$5

Dr. Weisenthal'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: 112024: 129%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Weisenthal

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

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Dr. Larry Mark Weisenthal has 2 publications on record

Dmand AI links 2 papers to Dr. Weisenthal.

Papers2

Recent publications by Dr. Weisenthal

See all 2 publications and co-authors

See who Dr. Weisenthal researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weisenthal 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. Larry Mark Weisenthal received $130 in industry payments in 2016

CMS Open Payments shows 2 general payments to Dr. Weisenthal from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $130.

Companies that paid Dr. Weisenthal the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Weisenthal

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

Dr. Larry Mark Weisenthal graduated from University Of Michigan Medical School

Dr. Weisenthal graduated from University Of Michigan Medical School in 1975.

  1. Medical schoolUniversity Of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Larry Mark Weisenthal'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
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Larry Mark Weisenthal

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. Larry Mark Weisenthal's NPI number?

Dr. Larry Mark Weisenthal's NPI number is 1568497519. It was assigned on July 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Larry Mark Weisenthal?

Dr. Larry Mark Weisenthal is a hematologist and oncologist in Huntington Beach, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Larry Mark Weisenthal practice?

Dr. Weisenthal practices at 16512 Burke Lane, Huntington Beach, CA 92647-4538.

What is Dr. Larry Mark Weisenthal's office phone number?

The practice phone on file for Dr. Weisenthal is (714) 596-2100.

What is Dr. Larry Mark Weisenthal's medical license number?

Dr. Weisenthal holds California license 66724.

Where did Dr. Larry Mark Weisenthal go to medical school?

Dr. Weisenthal graduated from University Of Michigan Medical School in 1975.

What drugs does Dr. Larry Mark Weisenthal prescribe most?

In 2024 Medicare Part D data, Dr. Weisenthal's most prescribed drugs by claims were Levothyroxine Sodium.

Has Dr. Larry Mark Weisenthal received payments from drug or device companies?

CMS Open Payments shows $130 in general payments to Dr. Weisenthal from 1 company from 2016 to 2016. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Larry Mark Weisenthal been practicing?

Dr. Weisenthal graduated from medical school in 1975, 51 years ago.

Does Dr. Larry Mark Weisenthal do research?

Dmand AI links 2 publications to Dr. Weisenthal.

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