Mark Feinberg, MD
NPI 1427015817 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Feinberg, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1427015817).
Provider details
- NPI number
- 1427015817
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 158254 (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
20 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
1,220 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 990 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 106 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 67 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $102 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 12 | $181 |
| Hospital Discharge Day Management, 30 Minutes Or Less |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2019-07-30
Frequently asked questions
- What is Mark Feinberg's NPI number?
- Mark Feinberg's National Provider Identifier (NPI) is 1427015817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Feinberg's specialty?
- Mark Feinberg is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Feinberg located?
- Mark Feinberg's practice location on file with NPPES is 20 Shattuck Street Thorn 1130, Boston, MA 02115.
- What is Mark Feinberg's phone number?
- The practice phone number listed in the NPPES registry for Mark Feinberg is (617) 732-5925.
- Does Mark Feinberg accept Medicare?
- Mark Feinberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Feinberg's NPI active?
- Yes — Mark Feinberg's NPI (1427015817) is active in the NPPES registry as of the last update on 2019-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.