Summary

Dr. Tad Callahan specializes in obstetrics and gynecology, bringing over five decades of medical expertise to women's healthcare. He earned his medical degree from the University of California Irvine College of Medicine and completed his residency training at Orange County Medical Center. With 55 years of dedicated practice, Dr. Callahan has built extensive experience in comprehensive women's health services. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Callahan practices at multiple locations throughout the Santa Maria and Arroyo Grande areas, including affiliations with Marian Regional Medical Center and Arroyo Grande Community Hospital. His clinical focus includes treating skin conditions such as unusual moles and precancerous skin changes. He performs essential women's health procedures including specialized breast imaging and routine mammograms for early cancer detection. Patients consistently rate their experience with Dr. Callahan highly, giving him an average rating of 4.7 out of 5 stars.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.7
  • 55 years of experience
  • 11 insurance plans accepted
  • speaks English, Spanish
  • Orange County Medical Center
  • 4 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Tad Patrick Callahan has 3 locations

Center For Womens Health

210 S Palisade Dr Ste 101Santa Maria, CA 93454
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 - 12:00 pm
SatClosed
SunClosed

Marian Regional Medical Center

1400 E Church StSanta Maria, CA 93454

Arroyo Grande Community Hospital

345 S Halcyon RdArroyo Grande, CA 93420

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Dr. Tad Patrick Callahan, MDDr. Ashim Kumar, MDDr. Shawanda Renee Obey, MDDr. Abigail Grace Prushansky, CEO, DNP, FNP-BC, CNM
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
3.8 
55 Years of Experience 28 Years of Experience 26 Years of Experience 5 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Hindi, Punjabi Speaks English Speaks English
Santa Maria , CAEncino , CARancho Cucamonga , CATorrance , CA
Med School: University Of California Irvine College Of Medicine Med School: Emory University Med School: Texas Tech University Health Science Center School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Tad Patrick Callahan

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • CenCal Health - Medicaid (Managed)
  • Cigna
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Molina Healthcare
  • Tricare

Medical Specialties

Dr. Tad Patrick Callahan has the following specialty

Specialty Expertise

Dr. Tad Patrick Callahan has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

55 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Orange County Medical Center

Medical School

University Of California Irvine College Of MedicineGraduated in 1971

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Frequently Asked Questions

Is Dr. Tad Callahan accepting new patients?
Dr. Tad Callahan is accepting new patients on Vitals. View Dr. Tad Callahan's profile on Vitals to make an appointment.
Where is Dr. Tad Callahan's office located?
Dr. Tad Callahan's office is located at 210 S Palisade Dr Ste 101, Santa Maria, CA, 93454.
What languages does Dr. Tad Callahan speak?
Dr. Tad Callahan speaks English and Spanish.
How can I make an appointment with Dr. Tad Callahan?
You can find contact information for Dr. Tad Callahan here on Vitals.
Does Dr. Tad Callahan accept virtual/telehealth appointments?
Dr. Tad Callahan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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