ZF
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Fellows, Rheumatologist in Walnut Creek, CA?
Dr. Zachary Fellows, MD is a Rheumatologist, who primarily practices in Walnut Creek, CA with 1 additional practice location. Dr. Fellows is fluent in English, and is currently seeing new patients. Dr. Fellows’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fellows’s office.
What languages does Dr. Fellows speak?
Dr. Fellows and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Fellows treat?
As a Rheumatologist, Dr. Fellows 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. Fellows. 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:
- Rheumatoid Arthritis
- Rheumatoid Arthritis Affecting Other Body Parts
- RA
- Chronic inflammatory arthritis
- Autoimmune arthritis
- Inflammatory joint disease
- Systemic Rheumatoid Arthritis
- RA with organ involvement
- Rheumatoid disease affecting multiple systems
ICD-10 Codes:
- M0579: Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
- M0609: Rheumatoid arthritis without rheumatoid factor, multiple sites
- M0569: Rheumatoid arthritis of multiple sites with involvement of other organs and systems
Also known as:
- Fibromyalgia
- Widespread pain syndrome
- Chronic muscle pain
- Fibromyositis
ICD-10 Codes:
- M797: Fibromyalgia
Also known as:
- Inflammatory Arthritis
- Arthritis in Multiple Joints
- Arthritis
- Inflammatory joint disease
- Polyarthritis
- Chronic inflammatory arthritis
- Widespread Arthritis
- Multiple Joint Inflammation
- Generalized Arthritis
ICD-10 Codes:
- M064: Inflammatory polyarthropathy
- M130: Polyarthritis, unspecified
Also known as:
- Osteoarthritis of the right hand
- Osteoarthritis
- Osteoarthritis of both knees
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
- Degenerative Joint Disease
- Wear-and-Tear Arthritis
- Hand Arthritis
ICD-10 Codes:
- M19041: Primary osteoarthritis, right hand
- M19042: Primary osteoarthritis, left hand
- M170: Bilateral primary osteoarthritis of knee
Also known as:
- Lupus
- Systemic lupus erythematosus
- SLE
- Disseminated lupus erythematosus
- Systemic Lupus Erythematosus
- Autoimmune Disease
ICD-10 Codes:
- M329: Systemic lupus erythematosus, unspecified
- M3210: Systemic lupus erythematosus, organ or system involvement unspecified
Also known as:
- Other Psoriatic Arthritis
- Psoriatic arthritis
- Psoriasis
- Atypical psoriatic arthritis
- Psoriasis-related joint condition
- Unspecified psoriatic arthropathy
ICD-10 Codes:
- L4059: Other psoriatic arthropathy
Also known as:
- High Antibody Levels
- Immune System and Disorder
- Elevated Antibody Titer
- Increased Antibodies
- Positive Antibody Test
ICD-10 Codes:
- R760: Raised antibody titer
Also known as:
- Right Hand Joint Pain
- Joint Disorder
- Sore Right Hand Joints
- Aching Right Hand Joints
- Right Hand Discomfort
ICD-10 Codes:
- M25541: Pain in joints of right hand
Also known as:
- Polymyalgia Rheumatica
- Polymyalgia Rheumatica and Giant Cell Arteritis
- PMR
- Inflammatory Rheumatism
ICD-10 Codes:
- M353: Polymyalgia rheumatica
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:
- Connective Tissue Overlap Syndrome
- Connective Tissue Disorder
- Mixed Connective Tissue Disease
- Overlap Syndrome
- Undifferentiated Connective Tissue Disease
ICD-10 Codes:
- M351: Other overlap syndromes
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:
- Unspecified Joint Disease
- Joint Disorder
- Joint Condition
- Joint Problem
ICD-10 Codes:
- M129: Arthropathy, unspecified
Also known as:
- Right Shoulder Pain
- Pain
- Shoulder Injuries and Disorder
- Sore Right Shoulder
- Right Shoulder Ache
- Right Shoulder Discomfort
ICD-10 Codes:
- M25511: Pain in right shoulder
Which procedures does Dr. Fellows perform as a Rheumatologist?
As a Rheumatologist, procedures performed by Dr. Zachary Fellows may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
For detailed information, please contact Dr. Fellows' office.
Does Dr. Fellows accept my insurance?
Dr. Fellows 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. Fellows accept in Walnut Creek, CA?
Dr. Fellows in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Health Plan
All Other Third Party
Blue Cross Blue Shield of Michigan
Blue Shield of California
Carpenters Funds Administrative Office (CA)
Crown Cork and Seal Company
Hackensack Meridian Health
Medicare
Other Support Agencies/Consultants
UnitedHealthcare
View All Insurances
Where is Dr. Fellows' office located?
What is Dr. Fellows's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Fellows's National Provider Identifier (NPI) number is 1154733152.
What common questions do patients ask about Dr. Fellows?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Fellows
What is Dr. Zachary Fellows's specialty?
Dr. Fellows is a Rheumatologist near Walnut Creek, CA. 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. Contact Dr. Fellows to book an appointment today.
Is this Dr. Zachary Fellows affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Fellows is affiliated with Scripps Memorial Hospital Encinitas, Tri-City Medical Center, John Muir Health Walnut Creek Medical Center, Torrance Memorial Medical Center 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
Where can I learn more about Rheumatologist?
Explore Rheumatologist 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 Zachary Fellows accepting new patients in Walnut Creek, CA?
Yes, Dr. Zachary Fellows is accepting new patients at this time.
Does Dr. Zachary Fellows offer online booking?
Please contact Dr. Fellows's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Zachary Fellows?
Please contact Dr. Fellows's office for information regarding telehealth appointment availability or for scheduling assistance.
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