Marshall Benjamin, M.D.
NPI 1033125372 · Surgery Physician · Glen Burnie, MD
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Benjamin, M.D. is a Surgery Physician provider in Glen Burnie, MD (NPI 1033125372).
Provider details
- NPI number
- 1033125372
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0050688 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,479 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 1,285 | $38 |
| Ultrasound Study of Arm and Leg Arteries93922 | 1,257 | $12 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 569 | $21 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 489 | $33 |
| Complete Ultrasound of Aorta, Vena Cava, Groin Vessels Or Bypass Grafts93978 | 483 | $38 |
| Complete Ultrasound of Abdomen and Pelvis Artery and Vein Blood Flow93975 | 363 | $55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$223 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2016-11-15
Frequently asked questions
- What is Marshall Benjamin's NPI number?
- Marshall Benjamin's National Provider Identifier (NPI) is 1033125372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Benjamin's specialty?
- Marshall Benjamin is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Benjamin located?
- Marshall Benjamin's practice location on file with NPPES is 301 Hospital Dr, Glen Burnie, MD 21061-5803.
- What is Marshall Benjamin's phone number?
- The practice phone number listed in the NPPES registry for Marshall Benjamin is (410) 553-8300.
- Does Marshall Benjamin accept Medicare?
- Marshall Benjamin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Benjamin's NPI active?
- Yes — Marshall Benjamin's NPI (1033125372) is active in the NPPES registry as of the last update on 2016-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.