Dr. Benjamin M. Landrum, MD
- Medicare services, 2024
- 1,399
- Medicare patients, 2024
- 427
- Part D claims, 2024
- 127
- MIPS score, 2024
- 82
- Hospital affiliations
- 2
- Practice address
- 5755 Cedar Lane, Columbia, MD 21044
- Practice phone
- Call (410) 740-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Landrum's professional email, personal email and mobile number
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Dr. Benjamin M. Landrum is an infectious disease specialist in Columbia, Maryland
Dr. Landrum practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System.
Dr. Landrum's NPI, 1124131149, was assigned on August 16, 2006. Dr. Landrum graduated from University of Maryland School of Medicine in 1997. Dr. Landrum holds Maryland license D0057970.
- NPI
- 1124131149NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638066855
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 740-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin M. Landrum practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland
Dr. Landrum's primary practice is Johns Hopkins Howard County Medical Center, at 5755 Cedar Lane, Columbia, MD 21044 in Howard County. The practice phone is (410) 740-7890.
- Johns Hopkins Howard County Medical Center5755 Cedar Lane, Columbia, MD 21044 · Howard CountyPhone(410) 740-7890
Source: Dmand AI Affiliation Data
Dr. Benjamin M. Landrum is affiliated with 4 sites of care and 2 medical groups
Dr. Landrum's primary practice is Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System. Dr. Landrum is also affiliated with The Johns Hopkins Hospital. The medical group on file is ENTAA Care. Dmand AI also links Dr. Landrum to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Benjamin M. Landrum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Landrum practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Howard County Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin M. Landrum is one of 303 infectious disease specialists in Maryland
Infectious disease is Dr. Landrum's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Landrum is board certified in infectious disease by the American Board of Internal Medicine. Dr. Landrum is licensed in Maryland.
Specialties and state licenses
- Infectious disease, MarylandPrimary
Infectious disease specialists near Dr. Landrum
Counts of infectious disease specialists 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. Benjamin M. Landrum billed Medicare for 1,399 services in 2024
CMS data shows 1,399 Medicare services from Dr. Landrum across 6 procedure codes in 2024, for 427 Medicare patients. Medicare paid $134,792 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Landrum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6602024: 1,39916%
Dr. Landrum compared with the Maryland median for infectious disease specialists, 2024
- Dr. Landrum
- Maryland median
- Medicare services
- 1,399vs 2176.4 times
- Medicare patients
- 427vs 1263.4 times
- Part D claims
- 73vs 9826% below
Medians across 250 infectious disease specialists in Maryland with Dmand AI profiles that report each measure.
Dr. Landrum'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Landrum and other infectious disease specialists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin M. Landrum treated 427 Medicare patients in 2024, average age 75
CMS counts 427 Medicare patients who saw Dr. Landrum in 2024. The largest group is 75 to 84, with 165 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.82, 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. Landrum's median patient age at 66, with 47% women.
Dr. Landrum's Medicare patients by age, 2024
Dr. Landrum's Medicare patients by sex, 2024
- Women21450%
- Men21350%
Chronic conditions among Dr. Landrum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis60%
- Chronic kidney disease55%
- Mood disorders49%
- Ischemic heart disease44%
- Heart failure43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Landrum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin M. Landrum wrote 127 Medicare Part D claims in 2024
In 2024, Dr. Landrum wrote 127 Medicare Part D claims for 30 patients. 60% of them were for generic drugs. CMS names the drug for 73 of them, across 4 drugs with 11 or more claims each, at $128,659 in total drug cost. In 2023, CMS named 19 claims across 1 drug.
Dr. Landrum's Part D claims by kind of drug, 2024
- Generic76 claims60%
- Brand-name51 claims40%
Dr. Landrum'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.
Drug classes CMS tracks in Dr. Landrum's Part D claims, 2024
- Antibiotics57%72 of 127 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 192024: 73284%
Drugs named by CMS: 4 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. Benjamin M. Landrum scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Landrum for performance year 2024, reported as part of a group. Dr. Landrum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Landrum's MIPS scores, performance year 2024
- 82of 100Final score
- 65.1of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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. Benjamin M. Landrum received $754 in industry payments from 2017 to 2025
CMS Open Payments shows 15 general payments to Dr. Landrum from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $680.
General payments to Dr. Landrum by program year, 2017 to 2025
Companies that paid Dr. Landrum the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin M. Landrum graduated from University of Maryland School of Medicine
Dr. Landrum graduated from University of Maryland School of Medicine in 1997.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin M. Landrum'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 Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Benjamin M. Landrum
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. Benjamin M. Landrum's NPI number?
Dr. Benjamin M. Landrum's NPI number is 1124131149. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin M. Landrum?
Dr. Benjamin M. Landrum is an infectious disease specialist in Columbia, Maryland. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Benjamin M. Landrum practice?
Dr. Landrum practices at 5755 Cedar Lane, Columbia, MD 21044. Dr. Landrum's primary practice is Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System. Dmand AI also links Dr. Landrum to 2 group practices and clinics and 1 medical group.
What is Dr. Benjamin M. Landrum's office phone number?
The practice phone on file for Dr. Landrum is (410) 740-7890.
What is Dr. Benjamin M. Landrum's medical license number?
Dr. Landrum holds Maryland license D0057970.
Which hospitals is Dr. Benjamin M. Landrum affiliated with?
Dr. Landrum practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland. Dr. Landrum is also affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Benjamin M. Landrum part of?
Dr. Landrum is linked to ENTAA Care. Dmand AI links Dr. Landrum to 1 more medical group.
Does Dr. Benjamin M. Landrum accept Medicare?
Yes. CMS data shows Dr. Landrum billed Medicare for 1,399 services in 2024, and Dr. Landrum accepts Medicare assignment.
What is Dr. Benjamin M. Landrum's MIPS score?
Dr. Landrum's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Benjamin M. Landrum see?
CMS counts 427 Medicare patients who saw Dr. Landrum in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
Is Dr. Benjamin M. Landrum board certified?
Yes. Dr. Landrum is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Benjamin M. Landrum bill to Medicare?
In 2024, Dr. Landrum's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Benjamin M. Landrum go to medical school?
Dr. Landrum graduated from University of Maryland School of Medicine in 1997.
What drugs does Dr. Benjamin M. Landrum prescribe most?
In 2024 Medicare Part D data, Dr. Landrum's most prescribed drugs by claims were Biktarvy, Ceftriaxone and Vancomycin HCl.
Has Dr. Benjamin M. Landrum received payments from drug or device companies?
CMS Open Payments shows $754 in general payments to Dr. Landrum from 4 companies from 2017 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Benjamin M. Landrum been practicing?
Dr. Landrum graduated from medical school in 1997, 29 years ago.
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