GK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Katz, Rheumatologist in Boston, MA?
Dr. Guy Katz, MD is a Rheumatologist, who primarily practices in Boston, MA. Dr. Katz is fluent in English, and is currently seeing new patients. Dr. Katz’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Katz’s office at (215) 955-6180.
What languages does Dr. Katz speak?
Dr. Katz and their clinical team can communicate with patients in the following languages:
English
What conditions does a Rheumatologist like Dr. Katz typically treat?
As a Rheumatologist, Dr. Katz 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. Katz. 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:
- Other Long-Term Drug Therapy
- Chronic medication use
- Ongoing drug treatment
- Extended drug therapy
ICD-10 Codes:
- Z79899: Other long term (current) drug therapy
Also known as:
- IgG4-Related Disease
- Immunoglobulin G4 Disease
- IgG4-RD
- Systemic IgG4 Disease
ICD-10 Codes:
- D8984: IgG4-related disease
What procedures does a Rheumatologist like Dr. Katz typically perform?
As a Rheumatologist, procedures performed by Dr. Guy Katz may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
Please contact Dr. Katz's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Katz accept my insurance?
Dr. Katz accepts most major insurance plans. Important: Please call our office at (215) 955-6180 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Katz accept in Boston, MA?
Dr. Katz in Boston, 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
Cigna Group
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
H & R Block
Medicare
Molina Healthcare
Not Specified
Unknown
View All Insurances
Where is Dr. Katz's office located?
What is Dr. Katz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Katz's National Provider Identifier (NPI) number is 1285168187.
What common questions do patients ask about Dr. Katz?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Katz
What is Dr. Guy Katz's specialty?
Dr. Katz is a Rheumatologist near Boston, MA.
What does a Rheumatologist do?
An internist specializing in the treatment of diseases affecting the joints, muscles, bones, and tendons. This specialist diagnoses and manages conditions such as arthritis, back pain, muscle strains, common sports injuries, and collagen-related diseases.
Is this Dr. Guy Katz affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Katz is affiliated with The Miriam Hospital, Massachusetts General Hospital, Emerson Health, York Hospital, Dartmouth Hitchcock Medical Center, Riverside Doctors' Hospital Williamsburg which are a Castle Connolly Top Hospitals. 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 a Rheumatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Rheumatologist. 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 Guy Katz accepting new patients in Boston, MA?
Yes, Dr. Guy Katz is accepting new patients at this time.
Does Dr. Guy Katz offer online booking?
Please contact Dr. Katz's office at (215) 955-6180 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Guy Katz?
Please contact Dr. Katz's office at (215) 955-6180 for information regarding telehealth appointment availability or for scheduling assistance.
Other Rheumatologist Near Boston, MA

Rheumatologist
Dr. Minna Kohler, MD is a Rheumatologist, who primarily practices in Boston, MA with 1 additional practice location. She is board certified.
Boston, MA
JR
Pediatric Rheumatologist
Dr. Jordan Roberts, MD is a Pediatric Rheumatologist, who primarily practices in Boston, MA with 1 additional practice location.
Boston, MA
RP
Rheumatologist
Dr. Richard Polisson, MD is a Rheumatologist, who primarily practices in Boston, MA. He has been practicing for over 43 years and is board certified.
Boston, MA