Steven Mentzer, MD
NPI 1881788156 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Mentzer, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Boston, MA (NPI 1881788156).
Provider details
- NPI number
- 1881788156
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 51151 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
332 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $98 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 69 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 48 | $180 |
| Initial Removal of Wedge of Lung Tissue Using an Endoscope32666 | 22 | $893 |
| Diagnostic Exam of Lung Airway Using an Endoscope31622 | 15 | $77 |
| Removal of Lymph Nodes of Chest Cavity Using an Endoscope32674 | 12 | $213 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2012-08-09
Frequently asked questions
- What is Steven Mentzer's NPI number?
- Steven Mentzer's National Provider Identifier (NPI) is 1881788156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Mentzer's specialty?
- Steven Mentzer is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Mentzer located?
- Steven Mentzer's practice location on file with NPPES is 75 Francis Street, Boston, MA 02115.
- What is Steven Mentzer's phone number?
- The practice phone number listed in the NPPES registry for Steven Mentzer is (617) 732-5500.
- Does Steven Mentzer accept Medicare?
- Steven Mentzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Mentzer's NPI active?
- Yes — Steven Mentzer's NPI (1881788156) is active in the NPPES registry as of the last update on 2012-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.