Quick answers
- Which hospitals does Catharine A. Arnold work at?
- Medicare's official clinician data lists Catharine A. Arnold at 4 hospitals: Bridgeport Hospital, Lawrence & Memorial Hospital, Middlesex Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catharine A. Arnold see patients?
- Medicare's clinician data lists 2 practice locations, including New Haven, CT and Guilford, CT. Call before your visit to confirm the address.
- What is Catharine A. Arnold's specialty?
- Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
- Does Catharine A. Arnold accept Medicare assignment?
- Yes. Medicare's clinician data says Catharine A. Arnold accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Catharine A. Arnold offer telehealth?
- Medicare's clinician data says Catharine A. Arnold offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Catharine A. Arnold?
- (203) 688-4242, as listed in official Medicare / NPI Registry data.
- What is Catharine A. Arnold's NPI number?
- 1306909742. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Catharine A. Arnold works
Medicare's Facility Affiliation Data lists Catharine A. Arnold at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bridgeport HospitalBridgeport, CT · Acute Care Hospital · CCN 070010
- Lawrence & Memorial HospitalNew London, CT · Acute Care Hospital · CCN 070007
- Middlesex HospitalMiddletown, CT · Acute Care Hospital · CCN 070020
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Catharine A. Arnold is enrolled with Medicare (CMS data updated 2026-10-02).
- 20 York StNew Haven, CT 06510 (203) 688‑4242
- 385 Church StGuilford, CT 06437 (203) 453‑0361
Group practices
Medicare enrollment lists Catharine A. Arnold as a member of these groups (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
- Northeast Medical Group Inc1,360 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in New Haven
Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306909742 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians