Physician Profile
Marc L. Schermerhorn, MD
Unclaimed ProfileAbout Dr. Schermerhorn
Marc L. Schermerhorn, MD practices vascular surgery in Boston, MA. Marc is a 1991 graduate of Georgetown University School of Medicine. According to Medicare claims data, Marc cared for 268 Medicare patients across 286 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and telephone medical discussion with physician, 21-30 minutes. The provider's National Provider Identifier (NPI) is 1356391312.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 632-9971
- Email not available
Practice Locations
110 FRANCIS ST 5B
Boston, MA 02215
Conditions Commonly Evaluated or Treated
Within Vascular Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Aneurysms
Aortic disease
Artery conditions
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
Congenital vascular disorders
Dialysis
Digestive & abdominal
Emergencies
Foot & toe conditions
Leg & foot pain
Nerve & vessel compression
Skin & vein conditions
Vascular malformations
Vascular tumors
Vein conditions
Vein disease
Wounds & sores
Wounds & ulcers
Procedures & services
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
Aneurysm repair
- Complex Branched Aortic Aneurysm Repair
- Minimally Invasive Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Atherectomy
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Artery surgery
Blood clot treatments
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Diagnostic procedures
Diagnostic tests
Dialysis access
Emergency surgery
Imaging & diagnostics
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
- Leg Vein Ultrasound
- Peripheral Angiogram
Nerve & vessel compression
Nerve surgery
Vascular access
- Chemo port placement
- Chemo port removal
- Dialysis Catheter Removal
- Tunneled Dialysis Catheter Placement
Vascular malformation treatments
Vein procedures
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
286 services · 268 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exposure of groin artery for delivery of graft | Procedure | 34713 |
34 | More than most peers in Vascular Surgery |
| Repair of aorta in abdomen between and below kidneys with graft, including 4 or more grafts in abdominal organ arteries with review by radiologist | Procedure | 34848 |
13 | As often as other peers in Vascular Surgery |
| Repair of infrarenal aorta and groin artery with graft for other than rupture on both sides with review by radiologist | Procedure | 34705 |
11 | Less often than most peers in Vascular Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
14 | Less often than most peers in Vascular Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
94 | More often than most peers in Vascular Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
61 | More often than most peers in Vascular Surgery |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
59 | More often than most peers in Vascular Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other vascular surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other vascular surgeons in Boston 8
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Exposure of groin artery for delivery of graft 2
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Schermerhorn specialize in?
Dr. Schermerhorn is a vascular surgeon in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
Where is Dr. Schermerhorn located?
Dr. Schermerhorn is listed at 110 Francis St 5B, Boston, MA 02215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Schermerhorn's phone number?
The number on file is (617) 632-9971. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Schermerhorn's NPI number?
Dr. Schermerhorn's National Provider Identifier is 1356391312. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Schermerhorn go to medical school?
Dr. Schermerhorn attended Georgetown University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Schermerhorn been practicing?
Dr. Schermerhorn has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Schermerhorn do most often?
According to Medicare billing data, Dr. Schermerhorn performs procedures including exposure of groin artery for delivery of graft, repair of aorta in abdomen between and below kidneys with graft, including 4 or more grafts in abdominal organ arteries with review by radiologist and repair of infrarenal aorta and groin artery with graft for other than rupture on both sides with review by radiologist; reads or performs imaging such as ultrasonic guidance for blood vessel access, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Schermerhorn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schermerhorn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.