DR. BENJAMIN M LANDRUM (MD) – Infectious Disease Physician, NPI 1124131149
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
327 INFECTIOUS DISEASE in MD
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Provider Addresses for DR. BENJAMIN M LANDRUM (MD)
2850, North Ridge Road, Rockland, Ellicott City, Howard County, Maryland, 21043, United States
102
ELLICOTT CITY, MD 210433464
Phone: (410) 418-8550
Fax: (410) 418-8552
Type: Location
Ellicott City Post Office, Ellicott Center Drive, Kaiser Park at Ellicott City, Dunloggin, Ellicott City, Howard County, Maryland, 21043, United States
ELLICOTT CITY, MD 210412377
Phone: (410) 418-8550
Fax: (410) 418-8552
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $217.
Total Amount is formed as General ($217) + Research ($0) + Ownership ($0) = $217.
Last reported payment date: 2024-04-17 • Largest payer in this snapshot: Gilead Sciences, Inc. ($217).
Total Amount
$217
General + Research + Ownership
Payments
4
Total payment records
General Amount
$217
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $217 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-11-17
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20101117001352 | I | Infectious Disease | MD | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 704 | 311 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 533 | 246 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 319 | 294 | $0 |
| 99291 | Critical care, first 30-74 minutes | 71 | 45 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 33 | 32 | $0 |
Insurance plans in this area (ZIP 21043)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MD | |
| O T O L A R Y N G O L O G Y | MD | |
| Qualified Audiologist | AZ | |
| - | MD | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MD | |
| O T O L A R Y N G O L O G Y | MD | |
| Qualified Audiologist | MD | |
| Qualified Audiologist | MD | |
| Qualified Audiologist | MD | |
| Cardiovascular Disease (Cardiology) | MD |
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