Mark Greathouse, MD
NPI 1093796542 · Cardiovascular Disease Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Greathouse, MD is a Cardiovascular Disease Physician provider in Pittsburgh, PA (NPI 1093796542).
Provider details
- NPI number
- 1093796542
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD032259E (PA)
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
20 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
1,268 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 Report93000 | 424 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 415 | $119 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 121 | $182 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 103 | $157 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days93248 | 44 | $24 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 524 | 157 |
| Apixabanbrand: Eliquis | 465 | 98 |
| Amlodipine Besylate | 353 | 116 |
| Rosuvastatin Calcium | 322 | 92 |
| Carvedilol | 237 | 64 |
| Atorvastatin Calcium | 235 | 63 |
| Metoprolol Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$740 across 46 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
Additional practice locations (1)
- 100 Medical BlvdCanonsburg, PA 15317-9762Phone: (724) 260-7400Fax: (724) 260-7410
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2024-01-20
- Certified
- 2024-01-20
Frequently asked questions
- What is Mark Greathouse's NPI number?
- Mark Greathouse's National Provider Identifier (NPI) is 1093796542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Greathouse's specialty?
- Mark Greathouse is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Greathouse located?
- Mark Greathouse's practice location on file with NPPES is 200 Quinn Dr, Pittsburgh, PA 15275-1055.
- What is Mark Greathouse's phone number?
- The practice phone number listed in the NPPES registry for Mark Greathouse is (421) 264-9500.
- Does Mark Greathouse accept Medicare?
- Mark Greathouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Greathouse's NPI active?
- Yes — Mark Greathouse's NPI (1093796542) is active in the NPPES registry as of the last update on 2024-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.