Marc Schermerhorn, MD
NPI 1356391312 · Vascular Surgery Physician · Boston, MA
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Schermerhorn, MD is a Vascular Surgery Physician provider in Boston, MA (NPI 1356391312).
Provider details
- NPI number
- 1356391312
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 79009 (MA)
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
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
286 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 94 | $102 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 61 | $138 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 59 | $137 |
| Exposure of Groin Artery for Delivery of Graft34713 | 34 | $155 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 14 | $14 |
| Repair of Aorta in Abdomen Between and Below Kidneys With Graft, Including 4 Or More Grafts in Abdominal Organ Arteries With Review By Radiologist34848 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,065 across 11 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
- 2006-05-11
- Last updated
- 2011-05-02
Frequently asked questions
- What is Marc Schermerhorn's NPI number?
- Marc Schermerhorn's National Provider Identifier (NPI) is 1356391312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Schermerhorn's specialty?
- Marc Schermerhorn is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Schermerhorn located?
- Marc Schermerhorn's practice location on file with NPPES is 110 Francis St, Boston, MA 02215-5501.
- What is Marc Schermerhorn's phone number?
- The practice phone number listed in the NPPES registry for Marc Schermerhorn is (617) 632-9971.
- Does Marc Schermerhorn accept Medicare?
- Marc Schermerhorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Schermerhorn's NPI active?
- Yes — Marc Schermerhorn's NPI (1356391312) is active in the NPPES registry as of the last update on 2011-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.