Dr. Nicholas Tzavalas, MD

Derry, NH

40 Years of Experience

Accepting patients

Who is Dr. Tzavalas, Anesthesiologist in Derry, NH?

Dr. Nicholas Tzavalas, MD is an Anesthesiologist, who primarily practices in Derry, NH with 2 additional practice locations. He has been practicing for over 40 years and is board certified. Dr. Tzavalas graduated from Aristotle University Of Thessaloniki School Of Medicine and completed his residency at Boston Univ Med Ctr/Univ Hp, Anesthesiology. He is a member of the International Association of HealthCare Professionals. Dr. Tzavalas is fluent in English, and is currently seeing new patients. Dr. Tzavalas’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tzavalas’s office at (603) 421-2163.

Where did Dr. Tzavalas go to medical school and complete their residency?

Residency: Boston Univ Med Ctr/Univ Hp, Anesthesiology | Boston Medical Center | UNIVERSITY HOSPITAL | Boston University Medical Center Program
Medical School: Aristotelian University of Thessaloniki School of Medicine | Aristotle University Of Thessaloniki School Of Medicine | Aristotle University of Thessaloniki Medical School

Is Dr. Tzavalas board certified as an Anesthesiologist?

Yes, Dr. Nicholas Tzavalas, MD is board certified by the American Board of Anesthesiology , American Board of Anesthesiology since 1991

What languages does Dr. Tzavalas speak?

Dr. Tzavalas and their clinical team can communicate with patients in the following languages:

English

What conditions does an Anesthesiologist like Dr. Tzavalas typically treat?

As an Anesthesiologist, Dr. Tzavalas 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. Tzavalas. 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. Learn more about our claims-based healthcare methodology.

Also known as:

Colon Cancer Screening
Health Screening
Colorectal Cancer Screening (PDQ®)
Screening Tests to Detect Colorectal Cancer and Polyps
Tests to Detect Colorectal Cancer and Polyps
Colorectal Cancer Screening
Colonoscopy Screening
Bowel Cancer Screening

ICD-10 Codes:

Z1211: Encounter for screening for malignant neoplasm of colon

Also known as:

Groin Hernia (One Side)
Obstructed Belly Button Hernia
Hernia
Inguinal Hernia
Intestinal Obstruction
Unilateral Inguinal Hernia
Single Groin Hernia
Hernia in One Groin
Umbilical Hernia with Obstruction
Blocked Belly Button Hernia
Strangulated Umbilical Hernia

ICD-10 Codes:

K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
K420: Umbilical hernia with obstruction, without gangrene

Also known as:

Stomach Inflammation
Stomach Disorder
Gastritis & Gastropathy
Gastritis
Inflamed stomach lining
Stomach lining inflammation

ICD-10 Codes:

K2970: Gastritis, unspecified, without bleeding

Also known as:

Colon Polyps
Colonic Polyps
Colorectal polyps
Bowel polyps
Intestinal polyps

ICD-10 Codes:

K635: Polyp of colon

Also known as:

Abnormal Uterine and Vaginal Bleeding
Vaginal Bleeding
Unusual Uterine Bleeding
Abnormal Vaginal Discharge
AUB
Irregular Genital Bleeding

ICD-10 Codes:

N939: Abnormal uterine and vaginal bleeding, unspecified

Also known as:

Rectal Bleeding
Gastrointestinal Bleeding
Gastrointestinal (GI) Bleeding
Anal Bleeding
Blood in Stool
Lower GI Bleed

ICD-10 Codes:

K625: Hemorrhage of anus and rectum

Also known as:

Deviated Septum
Nose Injuries and Disorder
Crooked nose septum
Nasal blockage
Septal deviation

ICD-10 Codes:

J342: Deviated nasal septum

What procedures does an Anesthesiologist like Dr. Tzavalas typically perform?

As an Anesthesiologist, procedures performed by Dr. Nicholas Tzavalas may include:

Please contact Dr. Tzavalas' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

Does Dr. Tzavalas accept my insurance?

Dr. Tzavalas accepts most major insurance plans. Important: Please call our office at (603) 421-2163 before your appointment to verify that your specific plan and network are accepted.

What insurance plans does Dr. Tzavalas accept in Derry, NH?

Dr. Tzavalas in Derry, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

Top Insurances

Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Medicare
Point32Health
The Health Plan of West Virginia
UMR Administered Payer
UnitedHealth Group

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Where is Dr. Tzavalas' office located?

Dr. Nicholas Tzavalas' Primary Practice

1 Parkland Dr

Derry, NH 03038

(603) 421-2163

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Dr. Nicholas Tzavalas' Practice 2

291 Shattuck Way

Newington, NH 03801

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Dr. Nicholas Tzavalas' Practice 3

243 Elm St

Claremont, NH 03743

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Recognitions

Memberships & Associations

Member of International Association of HealthCare Professionals

What is Dr. Tzavalas's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

Dr. Tzavalas's National Provider Identifier (NPI) number is 1255319687.

What common questions do patients ask about Dr. Tzavalas?

Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tzavalas

What is Dr. Nicholas Tzavalas's specialty?

Dr. Tzavalas is an Anesthesiologist near Derry, NH.

What does an Anesthesiologist do?

A physician specialist in pain management and maintaining or restoring a stable state during and right after surgical, obstetric, or diagnostic operations is known as an anesthesiologist. This specialist assesses each patient's risk of surgery and tries to improve their condition before to, during, and following the procedure. Anesthesiologists provide medical management, pain management, and critical care consults in addition to these vital management responsibilities. They are responsible for managing patients with severe illnesses or injuries, supervising the recovery period following anesthesia, directing resuscitation efforts for patients experiencing cardiac or respiratory emergencies that may require artificial ventilation, and diagnosing and treating both acute and chronic pain, including pain related to cancer.

Is Dr. Nicholas Tzavalas affiliated with a ranked Castle Connolly Top Hospital?

No, Dr. Tzavalas is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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

When to see an Anesthesiologist?: Guides for symptoms, conditions, and treatments

Understand your symptoms and know when it’s time to see an Anesthesiologist. Explore 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.