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- 385 Church St, Suite 101, Guilford, CT 06437
About Dr. Arnold
Catharine A. Arnold, MD practices rheumatology in Guilford, CT. Catharine is a 1986 graduate of Yale University School of Medicine. According to Medicare claims data, Catharine cared for 1,510 Medicare patients across 2,163 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. The provider's National Provider Identifier (NPI) is 1306909742.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 453-0361
- Email not available
Practice Locations
385 CHURCH ST SUITE 101
Guilford, CT 06437
Conditions Commonly Evaluated or Treated
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Fibromyalgia
- Gout
- Lupus
- Osteoarthritis
- Psoriatic arthritis
- Rheumatoid arthritis
Autoimmune
- Antiphospholipid Syndrome
- Behçet's Disease
- Dermatomyositis
- Dry Eyes and Mouth
- Granulomatosis with Polyangiitis
- IgA Vasculitis
- IgG4-Related Disease
- Inflammatory myopathy
- Lupus Butterfly Rash
- Positive ANA Blood Test
- Relapsing Polychondritis
Bone
- Paget's Disease of Bone
Bone Health
Connective Tissue
- Hypermobility Syndrome
- Mixed Connective Tissue Disease
- Scleroderma skin disease
- Undifferentiated Connective Tissue Disease
Genetic & Connective Tissue
Inflammatory
- Adult-Onset Still's Disease
- Polymyalgia rheumatica
- Rib pain
- Sarcoidosis Joint Pain
Joints
- Baker's Cyst
- Chronic Joint Pain
- Enteropathic Arthritis
- Juvenile Idiopathic Arthritis
- Morning Joint Stiffness
- Palindromic Rheumatism
- Pseudogout
- Reactive Arthritis
- Swollen Fingers or Toes
- Swollen Joints
Nerve & Tendon
Skin & Soft Tissue
- Erythema Nodosum
Skin & Vascular
- Hypothermia And Frostbite At Work
- Mottled Purplish Skin
Soft Tissue
- Lateral hip pain and trochanteric bursitis
- Shoulder Pain
- Tendinitis and tendinopathy
- Trigger finger
Spine & Back
- Ankylosing Spondylitis
- Sacroiliac joint pain
Vascular
- Cold Sensitive Fingers and Toes
- Temporal Arteritis
- Vasculitis
Procedures & services
Most searched procedures
- Arthritis management
- Infusion therapy
- Joint injections
Consultation
- Second Opinion for Autoimmune Disease
Consultations
- Osteoporosis Medication Consultation
Diagnostics & Injections
- Baker's Cyst Aspiration
- Bursa injection
- Carpal tunnel steroid injection
- Joint injection or aspiration
- Knee Joint Injection
- Nailfold Capillaroscopy
- Sacroiliac joint injection
- Salivary Gland Biopsy
- Tendon Sheath Injection
Education & Support
Imaging
- Bone Density Scan Referral
- Joint Ultrasound
Injections
- Ankle Joint Injection
- Finger Joint Injections
- Shoulder Cortisone Injection
- Ultrasound-guided hip injection
- Wrist Cortisone Injection
Lab & Diagnostics
- ANCA Blood Test
- Anti-CCP Antibody Test
- HLA-B27 Genetic Test
- Inflammation Blood Tests
- Joint Fluid Analysis
- Lupus Skin Biopsy
- Myositis Antibody Panel
- Rheumatoid Factor Blood Test
Lab Work
- Autoimmune Blood Panel
- Uric Acid Monitoring
Medication Management
- Biologic medication management
- DMARD Medication Management
- Gout Flare Treatment Plan
- Immunosuppressant Drug Monitoring
- Prolia Injection for Osteoporosis
- Reclast Infusion for Osteoporosis
- Steroid Taper Management
Pain Relief
Regenerative Medicine
- PRP Therapy for Joints
Procedures Most Often Billed to Medicare
2,163 services · 1,510 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
16 | Too few peers to compare |
| Influenza vaccine, inactivated | Treatment | 90653 |
91 | More than most peers in Rheumatology |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
80 | Too few peers to compare |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
80 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
53 | More often than most peers in Rheumatology |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
25 | As often as other peers in Rheumatology |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
21 | As often as other peers in Rheumatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
878 | More than most peers in Rheumatology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
460 | More often than most peers in Rheumatology |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
239 | More than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other rheumatologists in Guilford 2
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Arnold?
Dr. Arnold is a rheumatologist in Guilford, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
What is Dr. Arnold's address?
Dr. Arnold is listed at 385 Church St Suite 101, Guilford, CT 06437. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Arnold?
The number on file is (203) 453-0361. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Arnold's NPI number?
Dr. Arnold's National Provider Identifier is 1306909742. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Arnold train?
Dr. Arnold attended Yale University School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Arnold been practicing?
Dr. Arnold has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Arnold perform?
According to Medicare billing data, Dr. Arnold performs procedures including removal of impacted ear wax; provides treatments such as influenza vaccine, inactivated and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Arnold confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Arnold. If this is you, claiming it is free.
Guide.md
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