31 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nielsen, Anatomic Pathologist in Boston, MA?
Dr. Gunnlaugur Nielsen, MD is an Anatomic Pathologist, who primarily practices in Boston, MA. He has been practicing for over 31 years and is board certified. Dr. Nielsen graduated from University Of Iceland, Faculty Of Medicine and completed his residency at Mass Gen Hosp, Anatomic And Clinical Pathology. Dr. Nielsen is fluent in English and Icelandic, and is currently seeing new patients. Dr. Nielsen’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nielsen’s office.
Where did Dr. Nielsen go to medical school and complete their residency?
Residency: Mass Gen Hosp, Anatomic And Clinical Pathology | Mass General Hospital | Massachusetts General Hospital Program
Medical School: University Of Iceland- Laeknadeild- Haskoli Islands- Reykjavik- Iceland | University Of Iceland, Faculty Of Medicine | University Of Iceland, Faculty Of Medicine
Is Dr. Nielsen board certified as an Anatomic Pathologist?
Yes, Dr. Gunnlaugur Nielsen, MD is board certified by the American Board of Pathology
What languages does Dr. Nielsen speak?
Dr. Nielsen and their clinical team can communicate with patients in the following languages:
English
Icelandic
What conditions does an Anatomic Pathologist like Dr. Nielsen typically treat?
As an Anatomic Pathologist, Dr. Nielsen 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. Nielsen. 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:
- Primary Osteoarthritis in Right Knee
- Primary Osteoarthritis in Right Hip
- Osteoarthritis of the left knee
- Osteoarthritis of the left hip
- Osteoarthritis
- Right Knee Arthritis
- Right Knee Degenerative Joint Disease
- Right Hip Arthritis
- Right Hip Degenerative Joint Disease
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
ICD-10 Codes:
- M1711: Unilateral primary osteoarthritis, right knee
- M1611: Unilateral primary osteoarthritis, right hip
- M1712: Unilateral primary osteoarthritis, left knee
- M1612: Unilateral primary osteoarthritis, left hip
Also known as:
- Benign Lipoma of Trunk
- Benign Tumor
- Non-cancerous fatty lump on body
- Trunk lipoma
- Body fatty tumor
ICD-10 Codes:
- D171: Benign lipomatous neoplasm of skin and subcutaneous tissue of trunk
Also known as:
- Epidermal Cyst
- Skin Condition
- Sebaceous Cyst
- Keratin Cyst
- Epidermoid Cyst
ICD-10 Codes:
- L720: Epidermal cyst
Also known as:
- Secondary Bone Cancer
- Bone Cancer
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
ICD-10 Codes:
- C7951: Secondary malignant neoplasm of bone
What procedures does an Anatomic Pathologist like Dr. Nielsen typically perform?
As an Anatomic Pathologist, procedures performed by Dr. Gunnlaugur Nielsen may include:
- Ancillary Testing
- Blood Sample
- Blood Smear
- Blood Sugar / Plasma Glucose Test
- Bone Pathology
- Chemical Pathology Consultation
- Chemical Pathology Follow Up
- Electrolyte Test / PH Imbalance
Please contact Dr. Nielsen's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Nielsen accept my insurance?
Dr. Nielsen 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. Nielsen accept in Boston, MA?
Dr. Nielsen in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
Medicare
Molina Healthcare
Unknown
View All Insurances
Where is Dr. Nielsen's office located?
What is Dr. Nielsen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nielsen's National Provider Identifier (NPI) number is 1174592653.
What common questions do patients ask about Dr. Nielsen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nielsen
What is Dr. Gunnlaugur Nielsen's specialty?
Dr. Nielsen is a Anatomic Pathologist near Boston, MA.
What does an Anatomic Pathologist do?
A pathologist specializes in understanding the causes and nature of diseases, playing a key role in diagnosis, prognosis, and treatment through laboratory-based insights from biological, chemical, and physical sciences. They analyze information gathered from microscopic examinations of tissue specimens, cells, and body fluids, as well as from clinical laboratory tests on body fluids and secretions, to diagnose, exclude, or monitor disease.
Is this Dr. Gunnlaugur Nielsen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nielsen is affiliated with Massachusetts General Hospital 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
When to see an Anatomic Pathologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Anatomic Pathologist. 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.
Is Gunnlaugur Nielsen accepting new patients in Boston, MA?
Yes, Dr. Gunnlaugur Nielsen is accepting new patients at this time.
Does Dr. Gunnlaugur Nielsen offer online booking?
Please contact Dr. Nielsen's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gunnlaugur Nielsen?
Please contact Dr. Nielsen's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Gunnlaugur Nielsen have?
Dr. Gunnlaugur Nielsen is certified by the American Board of Pathology.
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Connect with DR. Nielsen
Pathology Associates
55 Fruit St # 2
Boston, MA 02114