Summary

Dr. Michael Wiechmann is an internal medicine physician who brings over four decades of medical expertise to his practice. He earned his medical degree from Indiana University School of Medicine in Indianapolis and completed his internal medicine residency at UC Irvine Medical Center. Dr. Wiechmann pursued advanced fellowship training in cardiovascular diseases at LA County Harbor UCLA Medical Center, demonstrating his specialized focus in heart-related conditions. He maintains board certification in internal medicine from the American Board of Internal Medicine and provides care in English.

Dr. Wiechmann practices at Adventist Health Sierra Vista and sees patients in Templeton, California. His clinical expertise centers on managing high blood pressure conditions, including severe cases requiring immediate attention and pediatric hypertension in younger patients. He performs specialized heart diagnostic procedures such as contrast echocardiography and stress testing with dobutamine to evaluate heart function under controlled conditions. Patients have given Dr. Wiechmann an average rating of 4.2 out of 5, reflecting their confidence in his comprehensive cardiovascular and internal medicine care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 41 years of experience
  • 44 insurance plans accepted
  • speaks English
  • La Co Harbor Ucla Med Ctr, Cardiovascular Diseases; Univ Ca Irvine Med Ctr, Internal Medicine
  • 1 written review
  • 1 specialty
  • 14 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Flexible scheduling

Office Location

Cardiology - Dignity Health - Templeton, CA

295 Posada Ln Ste ATempleton, CA 93465
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Michael Wiechmann, MDKarthikeyan Viswanathan, DOEric HarkerDr. Adama Diarra, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
41 Years of Experience 12 Years of Experience 25 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Tamil Speaks English Speaks English, French, Bambara
Templeton , CAPalo Alto , CALyons , COTigard , OR
Med School: In Univ Sch of Med, Indianapolis In Med School: Bassett Medical Center - Cooperstown, New York Med School: Duke University School Of Medicine Med School: Arizona College of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Michael Wiechmann

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AllCare Health
  • AllCare Health - IPA
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CareSource
  • CenCal Health
  • Cigna
  • Commonwealth Care Alliance
  • Contra Costa Health Plan
  • Florida Blue: Blue Cross Blue Shield of Florida
  • Golden State Medicare Health Plan
  • Golden State Medicare Health Plan - Medicare
  • Health Net
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha
  • Regence BlueCross BlueShield of Oregon
  • SCAN Health Plan
  • SCAN Health Plan - Medicare (Advantage HMO)
  • Sharp Health Plan
  • Transamerica
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • Western Health Advantage

Medical Specialties

Michael Wiechmann has the following specialty

Specialty Expertise

Michael Wiechmann has the following 14 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Stroke
  • Unstable Angina

Certifications, License, & Education

41 Years Experience

Michael Wiechmann holds an expired medical license in the state of California. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at La Co Harbor Ucla Med Ctr, Cardiovascular Diseases; Univ Ca Irvine Med Ctr, Internal Medicine and UC Irvine Medical Center.

Medical School

Graduated from In Univ Sch of Med, Indianapolis In in 1985 and Indiana University School of Medicine in 1985.

NPI Number

Michael Wiechmann's NPI number is 1104805837.

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Frequently Asked Questions

Where is Michael Wiechmann's office located?
Michael Wiechmann's office is located at 295 Posada Ln Ste A, Templeton, CA, 93465.
Which hospitals is Michael Wiechmann affiliated with?
Michael Wiechmann is affiliated with Adventist Health Sierra Vista.
How can I make an appointment with Michael Wiechmann?
You can find contact information for Michael Wiechmann here on Vitals.
Does Michael Wiechmann accept virtual/telehealth appointments?
Michael Wiechmann has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Michael Wiechmann speak?
Michael Wiechmann speaks English.

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