Placeholder Photo for Mark K. Greathouse, MD

Dr. Mark Greathouse is a cardiologist in Pittsburgh, PA, offering care for conditions affecting the heart & cardiovascular system, such as coronary artery disease.


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St Clair Medical Services Inc.  


(412) 788-4290


1000 Bower Hill Road, Pittsburgh, PA 15243-1873

Office Details

Doctor Specialty Cardiology
Practice Specialty Multi Specialty
Languages Spoken English

West Hills Open Mri and Imaging Center, Inc.  


(412) 344-0405


890 Beaver Grade Road, Coraopolis, PA 15108-2653

Office Details

Doctor Specialty Cardiology
Practice Specialty Cardiology
Languages Spoken English

Preferred Primary Care Physicians, Inc.  



2375 Greentree Road, Floor 2, Carnegie, PA 15106-4203

Office Details

Doctor Specialty Cardiology
Languages Spoken English

Insurance Accepted  

  • Medicare

About Dr. Greathouse
Dr. Greathouse



Dr. Mark Greathouse graduated from West Virginia University School of Medicine in 1983.

Dr. Greathouse has three offices in Pennsylvania where he specializes in Cardiology.

Dr. Greathouse works with seventy-five doctors including Dr. Paula Duncan and Dr. Tera Conway.


Education & Training  

Hospital Affiliations

  • St Clair Memorial Hospital
  • Trinity Hospital Holding Company
  • Jefferson Regional Medical Center
  • Butler Health Care Providers

Languages Spoken  

  • English

Dr. Greathouse's Medicare Fee‑for‑Service Data (2014)  

Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Greathouse, but only those who participate in Medicare.

  • Participates in Medicare?: Yes 
  • Number of HCPCS Codes: 37 
  • Number of Services: 2666 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 37 
  • Number of Medical Services: 2666 
  • Number of Medicare Patients with Medical Services: 1005 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 1005 
  • Average Age of Medicare Patients: 79 
  • Number of Patients Under Age 65: 71 
  • Number of Patients Age 65 to 74: 273 
  • Number of Patients Age 75 to 84: 312 
  • Number of Patients Over Age 84: 349 
  • Number of Female Patients : 586 
  • Number of Male Patients: 419 
  • Number of Non-Hispanic White Patients: 977 
  • Number of Black or African American Patients: 13 
  • Number of Asian Pacific Islander Patients: 0 
  • Number of Hispanic Patients: 0 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 0 
  • Number of Patients with Medicare Only Entitlement: 905 
  • Number of Patients with Medicare & Medicaid Entitlement: 100 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 27% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 22% 
  • Percent of Patients with Asthma: 8% 
  • Percent of Patients with Cancer: 14% 
  • Percent of Patients with Heart Failure: 39% 
  • Percent of Patients with Chronic Kidney Disease: 31% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 23% 
  • Percent of Patients with Depression: 26% 
  • Percent of Patients with Diabetes: 35% 
  • Percent of Patients with Hyperlipidemia: 65% 
  • Percent of Patients with Hypertension (High Blood Pressure): 75% 
  • Percent of Patients with Ischemic Heart Disease: 59% 
  • Percent of Patients with Osteoporosis: 11% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 44% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 8% 
  • Percent of Patients with Stroke: 14% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $469,161.00 
  • Total Medicare Allowed Amount: $151,869.10 
  • Total Medicare Payment Amount: $110,226.21 
  • Total Medicare Standardized Payment Amount: $115,107.23 
  • Total Medical Submitted Charge Amount: $469,161.00 
  • Total Medical Medicare Allowed Amount: $151,869.10 
  • Total Medical Medicare Payment Amount: $110,226.21 
  • Total Medical Medicare Standardized Payment Amount: $115,107.23 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 0 
  • Number of Drug Services: 0 
  • Number of Medicare Beneficiaries With Drug Services: 0 
  • Total Drug Submitted Charge Amount: $0.00 
  • Total Drug Medicare Allowed Amount: $0.00 
  • Total Drug Medicare Payment Amount: $0.00 
  • Total Drug Medicare Standardized Payment Amount: $0.00