Michael Stephen, M.D.
NPI 1275807638 · Cardiovascular Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Stephen, M.D. is a Cardiovascular Disease Physician provider in Houston, TX (NPI 1275807638).
Provider details
- NPI number
- 1275807638
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- N6042 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,839 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,416 | $128 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 567 | $188 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 536 | $67 |
| Rubidium Rb-82, Diagnostic, Per Study Dose, Up to 60 MillicuriesA9555 | 461 | $776 |
| Nuclear Medicine Studies of Blood Flow in Heart Muscle at Rest and With Stress With Concurrent Ct Scan78431 | 458 | $2,316 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 758 | 213 |
| Apixabanbrand: Eliquis | 458 | 98 |
| Atorvastatin Calcium | 434 | 133 |
| Losartan Potassium | 284 | 84 |
| Amlodipine Besylate | 261 | 78 |
| Rosuvastatin Calcium | 219 | 66 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,349 across 52 records (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
Registry dates
- Enumerated
- 2012-03-02
- Last updated
- 2024-05-22
- Certified
- 2024-05-22
Frequently asked questions
- What is Michael Stephen's NPI number?
- Michael Stephen's National Provider Identifier (NPI) is 1275807638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Stephen's specialty?
- Michael Stephen is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Stephen located?
- Michael Stephen's practice location on file with NPPES is 5115 Fannin St Ste 801, Houston, TX 77004-5870.
- What is Michael Stephen's phone number?
- The practice phone number listed in the NPPES registry for Michael Stephen is (713) 790-0841.
- Does Michael Stephen accept Medicare?
- Michael Stephen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Stephen's NPI active?
- Yes — Michael Stephen's NPI (1275807638) is active in the NPPES registry as of the last update on 2024-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.