Marie Gerhard-Herman, MD
NPI 1720045180 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Gerhard-Herman, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1720045180).
Provider details
- NPI number
- 1720045180
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 73481 (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
2,158 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 | 997 | $8 |
| Ambulatory Blood Pressure Monitoring, 1 Day Or Longer, With Review, Interpretation and Report93790 | 275 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 132 | $151 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 108 | $34 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 108 | $180 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 128 | 36 |
| Amlodipine Besylate | 70 | 27 |
| Losartan Potassium | 69 | 20 |
| Rosuvastatin Calcium | 61 | 21 |
| Carvedilol | 49 | 13 |
| Atorvastatin Calcium | 47 | 16 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2012-05-02
Frequently asked questions
- What is Marie Gerhard-Herman's NPI number?
- Marie Gerhard-Herman's National Provider Identifier (NPI) is 1720045180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Gerhard-Herman's specialty?
- Marie Gerhard-Herman is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Gerhard-Herman located?
- Marie Gerhard-Herman's practice location on file with NPPES is Brigham and Womens Hospital, Boston, MA 02115.
- What is Marie Gerhard-Herman's phone number?
- The practice phone number listed in the NPPES registry for Marie Gerhard-Herman is (617) 732-6632.
- Does Marie Gerhard-Herman accept Medicare?
- Marie Gerhard-Herman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Gerhard-Herman's NPI active?
- Yes — Marie Gerhard-Herman's NPI (1720045180) is active in the NPPES registry as of the last update on 2012-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.