Placeholder Photo for Charles A. Marsh, MD

Dr. Charles Marsh is a San Angelo, TX cardiologist who specializes in the diagnosis, treatment & management of heart & cardiovascular conditions.


Reviews of Dr. Marsh
Dr. Marsh

Have you seen this doctor?

We invite you to write a review about your experience with Dr. Marsh.

Offices of Dr. Marsh See Insurance
of Dr. Marsh


Shannon Clinic  


Please Note: This link will direct you to a third-party website unaffiliated with (, where you're able to request or schedule an appointment online with Dr. Charles Marsh.


(325) 481-2166


2239 N Bryant, San Angelo, TX 76903

Office Details

Doctor Specialty Cardiology
Practice Specialty Multi Specialty
Languages Spoken English

Shannon Clinic  


102 N Magdalen, San Angelo, TX 76903

Office Details

Doctor Specialty Cardiology
Languages Spoken English

Insurance Accepted  

  • Medicare

About Dr. Marsh
Dr. Marsh



Dr. Charles Marsh graduated from Other in 1971.

Dr. Marsh has two offices in Texas where he specializes in Cardiology.

Dr. Marsh works with seventy doctors including Dr. Stephen Coates and Dr. Leslie Westmoreland.


Education & Training  

Medical School

  • Other
    MD • 1971

Hospital Affiliations

  • Shannon Medical Center
  • Sutton County Hospital District
  • Preferred Hospital Leasing Junction, Inc
  • Rolling Plains Memorial Hospital

Languages Spoken  

  • English

Dr. Marsh'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. Marsh, but only those who participate in Medicare.

  • Participates in Medicare?: Yes 
  • Number of HCPCS Codes: 67 
  • Number of Services: 4286 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 64 
  • Number of Medical Services: 3496 
  • Number of Medicare Patients with Medical Services: 1415 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 1415 
  • Average Age of Medicare Patients: 75 
  • Number of Patients Under Age 65: 119 
  • Number of Patients Age 65 to 74: 561 
  • Number of Patients Age 75 to 84: 540 
  • Number of Patients Over Age 84: 195 
  • Number of Female Patients : 714 
  • Number of Male Patients: 701 
  • Number of Non-Hispanic White Patients: 1148 
  • Number of Black or African American Patients: 31 
  • Number of Asian Pacific Islander Patients: 0 
  • Number of Hispanic Patients: 223 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 0 
  • Number of Patients with Medicare Only Entitlement: 1239 
  • Number of Patients with Medicare & Medicaid Entitlement: 176 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 19% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 10% 
  • Percent of Patients with Asthma: 8% 
  • Percent of Patients with Cancer: 9% 
  • Percent of Patients with Heart Failure: 39% 
  • Percent of Patients with Chronic Kidney Disease: 26% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 19% 
  • Percent of Patients with Depression: 14% 
  • Percent of Patients with Diabetes: 38% 
  • Percent of Patients with Hyperlipidemia: 74% 
  • Percent of Patients with Hypertension (High Blood Pressure): 75% 
  • Percent of Patients with Ischemic Heart Disease: 75% 
  • Percent of Patients with Osteoporosis: 6% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 38% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 2% 
  • Percent of Patients with Stroke: 10% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $358,048.22 
  • Total Medicare Allowed Amount: $334,734.57 
  • Total Medicare Payment Amount: $250,515.59 
  • Total Medicare Standardized Payment Amount: $274,087.51 
  • Total Medical Submitted Charge Amount: $316,124.31 
  • Total Medical Medicare Allowed Amount: $293,370.64 
  • Total Medical Medicare Payment Amount: $218,251.85 
  • Total Medical Medicare Standardized Payment Amount: $241,823.77 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 3 
  • Number of Drug Services: 790 
  • Number of Medicare Beneficiaries With Drug Services: 204 
  • Total Drug Submitted Charge Amount: $41,923.91 
  • Total Drug Medicare Allowed Amount: $41,363.93 
  • Total Drug Medicare Payment Amount: $32,263.74 
  • Total Drug Medicare Standardized Payment Amount: $32,263.74