Michael Marks, M.D.
NPI 1841246667 · Vascular & Interventional Radiology Physician · Salisbury, MD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Marks, M.D. is a Vascular & Interventional Radiology Physician provider in Salisbury, MD (NPI 1841246667).
Provider details
- NPI number
- 1841246667
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- D46274 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
9,276 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,229 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 503 | $38 |
| Screening 3d Breast Mammography77063 | 445 | $47 |
| Screening Mammography77067 | 444 | $108 |
| X-Ray of Chest, 2 Views71046 | 362 | $10 |
| Screening 3d Breast Mammography77063 | 309 | $28 |
| Screening Mammography |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$82 across 2 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
- 2006-05-25
- Last updated
- 2025-09-11
Frequently asked questions
- What is Michael Marks's NPI number?
- Michael Marks's National Provider Identifier (NPI) is 1841246667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marks's specialty?
- Michael Marks is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marks located?
- Michael Marks's practice location on file with NPPES is 100 E Carroll St, Salisbury, MD 21801-5422.
- What is Michael Marks's phone number?
- The practice phone number listed in the NPPES registry for Michael Marks is (410) 749-1124.
- Does Michael Marks accept Medicare?
- Michael Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Marks's NPI active?
- Yes — Michael Marks's NPI (1841246667) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.