Dr. Larry A. Drum, MD
- Part D claims, 2024
- 27
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 10861 Cherry St, Los Alamitos, CA 90720-5402
- Practice phone
- Call (562) 795-6406
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial Sports & Internal Medicine
Primary care practice · Los Alamitos, California
Find Dr. Drum'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. Larry A. Drum is an internist in Los Alamitos, California
Dr. Drum practices at Memorial Sports & Internal Medicine in Los Alamitos, California.
Dr. Drum's NPI, 1316018112, was assigned on November 13, 2006. Dr. Drum holds California license G55755.
- NPI
- 1316018112NPI Registry (opens in a new tab)
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Practice phone
- (562) 795-6406
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Larry A. Drum practices at Memorial Sports & Internal Medicine in Los Alamitos, California
Dr. Drum's primary practice is Memorial Sports & Internal Medicine, at 10861 Cherry St, Los Alamitos, CA 90720-5402. The practice phone is (562) 795-6406.
- Memorial Sports & Internal Medicine10861 Cherry St, Los Alamitos, CA 90720-5402Phone(562) 795-6406
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Larry A. Drum is affiliated with 1 site of care and 1 medical group
Dr. Drum's primary practice is Memorial Sports & Internal Medicine in Los Alamitos, California. Dmand AI also links Dr. Drum to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Larry A. Drum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Drum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Sports & Internal Medicine | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Larry A. Drum is one of 16,751 internists in California
Internal medicine is Dr. Drum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Drum is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Drum
Counts of internists 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. Larry A. Drum's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Drum's median patient age at 65, with 44% women.
Dr. Drum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Larry A. Drum wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Drum wrote 27 Medicare Part D claims for 14 patients. 93% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $526 in total drug cost. In 2016, CMS named 15 claims across 1 drug.
Dr. Drum's Part D claims by kind of drug, 2024
- Generic25 claims93%
- Brand-name and other2 claims7%
Dr. Drum's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 152017: 1313%
Drugs named by CMS: 1 in 2017, 1 in 2016.
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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Sources for Dr. Larry A. Drum'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Larry A. Drum
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 A. Drum's NPI number?
Dr. Larry A. Drum's NPI number is 1316018112. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Larry A. Drum?
Dr. Larry A. Drum is an internist in Los Alamitos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Larry A. Drum practice?
Dr. Drum practices at 10861 Cherry St, Los Alamitos, CA 90720-5402. Dr. Drum's primary practice is Memorial Sports & Internal Medicine in Los Alamitos, California. Dmand AI also links Dr. Drum to 1 medical group.
What is Dr. Larry A. Drum's office phone number?
The practice phone on file for Dr. Drum is (562) 795-6406.
What is Dr. Larry A. Drum's medical license number?
Dr. Drum holds California license G55755.
What drugs does Dr. Larry A. Drum prescribe most?
In 2017 Medicare Part D data, Dr. Drum's most prescribed drugs by claims were Insulin Syringe.
How long has Dr. Larry A. Drum been practicing?
Dr. Drum's NPI was assigned in 2006.
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