Placeholder Photo for Timothy M. Marshall, MD

As a cardiologist, Dr. Timothy Marshall provides specialized care for conditions affecting the heart & cardiovascular system in patients near Tucson, AZ.


Reviews of Dr. Marshall
Dr. Marshall


See what patients are saying about Dr. Marshall.





  • Recommends
  • Available
  • On Time
  • Friendly
  • Professional
  • Knowledgeable
  • Nice Office
  • Understandable
  • Reachable
  • Helpful Staff

Dr. Marshall is a great cardiologist in many respects. His bedside manner should be franchised to the medical profession. His sense of calm is especially important for heart patients and I believe that he is one of the tops in his field in our region. Both my wife and I see him an an annual basis and my wife had a successful Stent surgically placed by Dr. Marshall. He's just plain great!

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Offices of Dr. Marshall See Insurance
of Dr. Marshall


Timothy M Marshall PC  

Accepting New Patients?

Yes, Dr. Timothy M. Marshall is accepting new patients at this office.


(520) 290-5083


5170 E Glenn Street, 160, Tucson, AZ 85712

Office Details

Doctor Specialty Cardiology
Accepting New Patients? Yes
Practice Specialty Cardiology
Languages Spoken English

Timothy M Marshall MD, PC  

Accepting New Patients?

Yes, Dr. Timothy M. Marshall is accepting new patients at this office.



5170 E Glenn St Bldg 2, Suite 160, Tucson, AZ 86712-7302

Office Details

Doctor Specialty Cardiology
Accepting New Patients? Yes
Languages Spoken English

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Insurance Accepted  

  • Medicare

About Dr. Marshall
Dr. Marshall



Dr. Timothy Marshall graduated from Other in 1979.

Dr. Marshall has two offices in Arizona where he specializes in Cardiology.


Education & Training  

Medical School

  • Other
    MD • 1979


Hospital Affiliations

  • Tucson Medical Center
  • Carondelet Health Network
  • Rchp-sierra Vista Inc
  • Northern Cochise Community Hospital Inc

Languages Spoken  

  • English

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

  • Doctor participates in Medicare?: Yes 
  • Number of HCPCS Codes: 52 
  • Number of Services: 15823 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 49 
  • Number of Medical Services: 14381 
  • Number of Medicare Patients with Medical Services: 2265 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 2265 
  • Average Age of Medicare Patients: 76 
  • Number of Patients Under Age 65: 73 
  • Number of Patients Age 65 to 74: 970 
  • Number of Patients Age 75 to 84: 864 
  • Number of Patients Over Age 84: 358 
  • Number of Female Patients : 1136 
  • Number of Male Patients: 1129 
  • Number of Non-Hispanic White Patients: 2065 
  • Number of Black or African American Patients: 45 
  • Number of Asian Pacific Islander Patients: 0 
  • Number of Hispanic Patients: 99 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 33 
  • Number of Patients with Medicare Only Entitlement: 2201 
  • Number of Patients with Medicare & Medicaid Entitlement: 64 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 23% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 7% 
  • Percent of Patients with Asthma: 8% 
  • Percent of Patients with Cancer: 12% 
  • Percent of Patients with Heart Failure: 15% 
  • Percent of Patients with Chronic Kidney Disease: 26% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 13% 
  • Percent of Patients with Depression: 16% 
  • Percent of Patients with Diabetes: 25% 
  • Percent of Patients with Hyperlipidemia: 58% 
  • Percent of Patients with Hypertension (High Blood Pressure): 70% 
  • Percent of Patients with Ischemic Heart Disease: 43% 
  • Percent of Patients with Osteoporosis: 7% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 33% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 2% 
  • Percent of Patients with Stroke: 6% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $2,153,198.10 
  • Total Medicare Allowed Amount: $1,173,303.93 
  • Total Medicare Payment Amount: $870,712.08 
  • Total Medicare Standardized Payment Amount: $882,443.54 
  • Total Medical Submitted Charge Amount: $2,038,258.10 
  • Total Medical Medicare Allowed Amount: $1,112,408.59 
  • Total Medical Medicare Payment Amount: $823,553.75 
  • Total Medical Medicare Standardized Payment Amount: $835,285.21 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 3 
  • Number of Drug Services: 1442 
  • Number of Medicare Beneficiaries With Drug Services: 293 
  • Total Drug Submitted Charge Amount: $114,940.00 
  • Total Drug Medicare Allowed Amount: $60,895.34 
  • Total Drug Medicare Payment Amount: $47,158.33 
  • Total Drug Medicare Standardized Payment Amount: $47,158.33 
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