TC
28 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Callahan, Pediatrician in Leominster, MA?
Dr. Theresa Callahan, MD is a Pediatrician, who primarily practices in Leominster, MA. She has been practicing for over 28 years and is board certified by the American Board of Pediatrics. Dr. Callahan graduated from University of Massachusetts Med School and completed her residency at Strong Memorial Hospital of the University of Rochester Program. Dr. Callahan is fluent in English and Spanish, and is currently seeing new patients. Dr. Callahan’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Callahan’s office.
What are Areas of Expertise for Dr. Callahan?
Dr. Theresa Callahan, MD is a highly-rated, board-certified Pediatrician known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Callahan empowers patients to confidently navigate their health journey, specializing in Primary Care, or comprehensive wellness support. Serving the Leominster/MA community, Dr. Callahan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Callahan go to medical school and complete their residency?
Residency: Strong Memorial Hospital of the University of Rochester Program
Medical School: University of Massachusetts Med School
Is Dr. Callahan board certified in Pediatrician?
Yes, Dr. Theresa Callahan, MD is board certified by the American Board of Pediatrics
What languages does Dr. Callahan speak?
Dr. Callahan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Callahan treat?
As a Pediatrician, Dr. Callahan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Callahan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Routine Child Health Examination (Normal Findings)
- Health Checkup
- Normal Well-Child Checkup
- Child Physical Exam (No Issues)
- Routine Pediatric Exam (Clear)
ICD-10 Codes:
- Z00129: Encounter for routine child health examination without abnormal findings
Also known as:
- Viral Infection
- Virus Infection
- Viral Illness
- Common Virus
ICD-10 Codes:
- B349: Viral infection, unspecified
Also known as:
- Blood and Immune System Disorder Screening
- Contaminant Exposure Screening
- Health Screening
- Blood Disorder Check
- Immune System Check-up
- Hematologic Screening
- Toxic Exposure Screening
- Environmental Toxin Check
- Pollutant Exposure Test
ICD-10 Codes:
- Z130: Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Z1388: Encounter for screening for disorder due to exposure to contaminants
Also known as:
- Child Health Checkup with Abnormal Findings
- Health Checkup
- Routine child exam with issues
- Pediatric checkup with concerns
- Child wellness visit with abnormal results
ICD-10 Codes:
- Z00121: Encounter for routine child health examination with abnormal findings
Also known as:
- ADHD, Combined Type
- ADHD, Predominantly Inattentive Type
- Attention Deficit Hyperactivity Disorder
- Attention-deficit/hyperactivity disorder
- Combined ADHD
- Typical ADHD
- ADD
- Inattentive ADHD
ICD-10 Codes:
- F902: Attention-deficit hyperactivity disorder, combined type
- F900: Attention-deficit hyperactivity disorder, predominantly inattentive type
Also known as:
- Ear Infection
- Left Ear Infection
- Otitis Media
- Middle Ear Infection
- Ear Inflammation
- Left Middle Ear Infection
- Left Otitis Media
- Left Earache
ICD-10 Codes:
- H66001: Acute suppurative otitis media without spontaneous rupture of ear drum, right ear
- H66002: Acute suppurative otitis media without spontaneous rupture of ear drum, left ear
- H66003: Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral
Also known as:
- Strep Throat
- Sore Throat
- Streptococcal Infection
- Bacterial Sore Throat
- Pharyngitis
- Strep Infection
- Acute pharyngitis
- Throat inflammation
- Acute throat infection
ICD-10 Codes:
- J020: Streptococcal pharyngitis
- J029: Acute pharyngitis, unspecified
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Mental Health Screening
- Behavioral Health Screening
- Psychological Assessment
- Mental Wellness Check
ICD-10 Codes:
- Z1330: Encounter for screening examination for mental health and behavioral disorders, unspecified
Also known as:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
Also known as:
- Chronic Sinusitis
- Sinusitis
- Chronic sinus infection
- Long-term sinus problems
- Persistent sinus inflammation
ICD-10 Codes:
- J329: Chronic sinusitis, unspecified
Also known as:
- Unexplained Weight Gain
- Sudden weight gain
- Rapid weight increase
- Abnormal increase in weight
ICD-10 Codes:
- R635: Abnormal weight gain
Also known as:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
Also known as:
- Birth Control Implant Prescription
- Birth Control
- Contraceptive Implant
- Nexplanon Prescription
- Subdermal Implant
ICD-10 Codes:
- Z30017: Encounter for initial prescription of implantable subdermal contraceptive
Which procedures does Dr. Callahan perform as a Pediatrician?
As a Pediatrician, procedures performed by a Dr. Theresa Callahan may include:
- 12 Month Well-Baby Checkup
- 15 Month Well-Baby Checkup
- 18 Month Well-Baby Checkup
- 1 Month Well-Baby Checkup
- 24 Month Well-Baby Checkup
- 2 Month Well-Baby Checkup
- 2 Week Well Baby Checkup
- 30 Month Well-Baby Checkup
For detailed information, please contact Dr. Callahan's office.
Does Dr. Callahan accept my insurance?
Dr. Callahan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Callahan accept in Leominster, MA?
Dr. Callahan in Leominster, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Massachusetts
Boston Medical Center
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Health Plans
Point32Health
State of Massachusetts
UnitedHealthcare
View All Insurances
Where is Dr. Callahan's office located?
What is Dr. Callahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Callahan's National Provider Identifier (NPI) number is 1861480931.
What common questions do patients ask about Dr. Callahan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Callahan
What is Dr. Theresa Callahan's specialty?
Dr. Callahan is a Pediatrician near Leominster, MA. A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development. Contact Dr. Callahan to book an appointment today.
Is this Dr. Theresa Callahan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Callahan is affiliated with UMass Memorial HealthAlliance Clinton Hospital - Leominster Campus which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Pediatrician?
Explore Pediatrician with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Theresa Callahan accepting new patients in Leominster, MA?
Yes, Dr. Theresa Callahan is accepting new patients at this time.
Does Dr. Theresa Callahan offer online booking?
Please contact Dr. Callahan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Theresa Callahan?
Please contact Dr. Callahan's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Theresa Callahan have?
Dr. Theresa Callahan is certified by the American Board of Pediatrics.
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Connect with DR. Callahan
100 Hospital Rd Ste 4
Leominster, MA 01453