Mark Steuerwald, M.D.
NPI 1740713320 · Cardiovascular Disease Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Steuerwald, M.D. is a Cardiovascular Disease Physician provider in Stamford, CT (NPI 1740713320).
Provider details
- NPI number
- 1740713320
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73505 (CT)
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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,358 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 639 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 241 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 93 | $120 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 91 | $99 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 72 | $133 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 91 | 41 |
| Amlodipine Besylate | 65 | 30 |
| Rosuvastatin Calcium | 53 | 26 |
| Metoprolol Succinate | 50 | 23 |
| Losartan Potassium | 47 | 15 |
| Apixabanbrand: Eliquis | 33 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
Additional practice locations (1)
- 637 West AveNorwalk, CT 06850-4004Phone: (203) 348-7410Fax: (203) 961-8488
Registry dates
- Enumerated
- 2017-04-10
- Last updated
- 2023-08-30
- Certified
- 2023-08-30
Frequently asked questions
- What is Mark Steuerwald's NPI number?
- Mark Steuerwald's National Provider Identifier (NPI) is 1740713320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Steuerwald's specialty?
- Mark Steuerwald is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Steuerwald located?
- Mark Steuerwald's practice location on file with NPPES is 29 Hospital Plz Ste 502, Stamford, CT 06902-3602.
- What is Mark Steuerwald's phone number?
- The practice phone number listed in the NPPES registry for Mark Steuerwald is (203) 348-7410.
- Does Mark Steuerwald accept Medicare?
- Mark Steuerwald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Steuerwald's NPI active?
- Yes — Mark Steuerwald's NPI (1740713320) is active in the NPPES registry as of the last update on 2023-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.