Benjamin M. Landrum, MD
Infectious Disease Physician · Ellicott City, MD
Benjamin M. Landrum, MD is an infectious disease physician with a practice address in Ellicott City, Maryland, and NPI 1124131149, issued on Aug 16, 2006. Check the license (Maryland D0057970, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Benjamin M. Landrum
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- D0057970 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2850 N Ridge RD, Ellicott City, MD 21043
- Phone
- (410) 418-8550
- Enumerated
- Aug 16, 2006
- Record last updated
- Jun 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (410) 418-8552
- Medicaid ID
- 402077400 MD
- Medicare enrollment
- Enrolled (PECOS I20101117001352); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 410 in Maryland → Look up another NPI →
Also registered at 2850 N Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bonnie Catalano, D.O.Family Medicine Physician1164456877
- Neda Frayha, MDInternal Medicine Physician1356485783
- William Jones, D.C.Chiropractor1942532296
- Gabrielle Kallmeyer, RN MSN FNP-CFamily Nurse Practitioner1922550128
- Ravindra Karmarkar, MDInfectious Disease Physician1356380372
- Duniya Lancaster, M.DPediatrics Physician1124097860
Verify Benjamin M. Landrum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0057970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average infectious disease physician in 2024
127 Medicare Part D claims for 30 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Biktarvy29 claims
- Ceftriaxone19 claims
- Vancomycin Hcl13 claims
- Cefazolin Sodium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $72.07
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Johns Hopkins Regional Physicians LLCEllicott City, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin M. Landrum among 410 infectious disease physician records in Maryland
Benjamin M. Landrum, MD is one of 410 infectious disease physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1997 · median 2002 among the 202 with a school on file
- Record last updated2016 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Maryland
There are 410 infectious disease physician records in Maryland.
All 410 in Maryland → Every provider in Ellicott City → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Joseph Chang, MDEllicott City, MD 210431295120400
- Ravindra Karmarkar, MDEllicott City, MD 210431356380372
- Madeeha Shams, M.D.Ellicott City, MD 210431194138131
- Sara Taherkhani, MDEllicott City, MD 210431386954436
- Ramya Gopinath, M.D.Columbia, MD 210441376656306
- Angela Kopack, MDColumbia, MD 210441033253471
- Poonum Korpe, MDColumbia, MD 210441881853950
- Robert Ross, M.D.Columbia, MD 210441700999745
Common questions
What is Benjamin M. Landrum, MD's NPI number?
Benjamin M. Landrum, MD's National Provider Identifier (NPI) is 1124131149, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin M. Landrum, MD located?
The NPPES record lists a practice address at 2850 N Ridge RD, Ellicott City, MD, 21043. Phone: (410) 418-8550. Providers update this record themselves, so call before visiting.
How can I verify Benjamin M. Landrum, MD's license?
NPPES lists Maryland license number D0057970, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin M. Landrum, MD prescribe under Medicare Part D?
In 2024, Benjamin M. Landrum, MD had 127 Medicare Part D claims for 30 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Benjamin M. Landrum, MD's MIPS final score?
The 2023 MIPS final score is 83.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.