Affiliated with a Castle Connolly Top Hospital
Who is Dr. Diffie, Rheumatologist in Saint Louis, MO?
What are Areas of Expertise for Dr. Diffie?
Dr. Colin Diffie, MD is a highly-rated, board-certified Rheumatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Diffie empowers patients to confidently navigate their health journey, specializing in Arthritis, Vasculitis, and comprehensive wellness support. Serving the Saint Louis, MO community, Dr. Diffie is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Diffie speak?
Dr. Diffie and their clinical team can communicate with patients in the following languages:
- English
What conditions does a Rheumatologist like Dr. Diffie typically treat?
As a Rheumatologist, Dr. Diffie 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. Diffie. 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:
- Rheumatoid Arthritis
- RA
- Chronic inflammatory arthritis
- Autoimmune arthritis
- Inflammatory joint disease
ICD-10 Codes:
- M0579: Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
- M069: Rheumatoid arthritis, unspecified
- M0609: Rheumatoid arthritis without rheumatoid factor, multiple sites
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:
- Giant cell arteritis
- Giant Cell Arteritis
- Polymyalgia Rheumatica and Giant Cell Arteritis
- Temporal arteritis
- Horton's disease
- Cranial arteritis
ICD-10 Codes:
- M316: Other giant cell arteritis
Also known as:
- Age-Related Osteoporosis
- Fractures
- Osteoporosis
- Senile Osteoporosis
- Primary Osteoporosis
- Bone Thinning from Aging
ICD-10 Codes:
- M810: Age-related osteoporosis without current pathological fracture
Also known as:
- Psoriatic Arthritis
- Psoriasis
- Psoriatic joint inflammation
- Arthritis with psoriasis
- Psoriasis-related joint pain
ICD-10 Codes:
- L4050: Arthropathic psoriasis, unspecified
Also known as:
- Joint Pain
- Joint Disorder
- Pain
- Arthralgia
- Aching joints
- Sore joints
ICD-10 Codes:
- M2550: Pain in unspecified joint
What procedures does a Rheumatologist like Dr. Diffie typically perform?
As a Rheumatologist, procedures performed by Dr. Colin Diffie may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
Please contact Dr. Diffie's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Diffie accept my insurance?
Dr. Diffie accepts most major insurance plans. Important: Please call our office at (314) 286-2635 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Diffie accept in Saint Louis, MO?
Dr. Diffie in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Michigan
Capital Blue Cross
Cigna Group
CMS
Corporate Services
Elevance Health Inc. (formerly Anthem)
Medicare
View All Insurances
Where is Dr. Diffie's office located?
Dr. Colin Diffie's Primary Practice
915 N Grand Blvd
Saint Louis, MO 63106
(314) 286-2635
What hospitals are Dr. Diffie affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Diffie has admitting privileges at the following hospitals:
What is Dr. Diffie's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Diffie's National Provider Identifier (NPI) number is 1942616404.
What common questions do patients ask about Dr. Diffie?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Diffie
