Doctor profile · Federal record

Dr. Catharine Arnold, MD

Rheumatology Physician (CMS: Rheumatology) · Guilford, CT

  • NPI 1306909742
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
385 Church St, Suite 101
Guilford, CT 064372003
(203) 453-0361
fax (203) 453-8510

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Connecticut #029833

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306909742. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,741
Distinct HCPCS
10
Medicare allowed
$203,914
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 897 415 $135
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 241 241 $137
G0008 Administration of influenza virus vaccine 115 113 $33
90662 Influenza vaccine split virus, preservative free 110 108 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 59 56 $16
99442 Telephone medical discussion with physician, 11-20 minutes 48 40 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 47 45 $96
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 29 29 $282
G0009 Administration of pneumococcal vaccine 28 28 $33
90480 Admn sarscov2 vacc 1 dose 25 25 $43

In context: peer comparison

Among 1 peers in Guilford Rheumatology Physician, average services per provider: 96. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,581
Patients
1,222
Total drug cost
$88,625
Drug Type Claims Patients Total cost
Prednisone Generic 557 110 $5,810
Hydroxychloroquine Sulfate Generic 407 95 $25,715
Rosuvastatin Calcium Generic 398 124 $8,392
Losartan Potassium Generic 387 118 $5,802
Amlodipine Besylate Generic 378 109 $2,457
Levothyroxine Sodium Generic 370 103 $6,492
Atorvastatin Calcium Generic 321 98 $4,036
Gabapentin Generic 306 81 $5,858
Methotrexate (Methotrexate Sodium) Brand 259 65 $8,537
Pantoprazole Sodium Generic 253 71 $3,970

Frequently asked questions

Auto-generated from federal data
What is Dr. Catharine Arnold's medical specialty?
Dr. Catharine Arnold practices Rheumatology Physician in Guilford, CT.
Where does Dr. Catharine Arnold practice?
Dr. Catharine Arnold practices at 385 Church St, Guilford, CT 064372003. Office phone: 2034530361.
What is Dr. Catharine Arnold's NPI?
Dr. Catharine Arnold's National Provider Identifier (NPI) is 1306909742, issued by NPPES.
Does Dr. Catharine Arnold accept Medicare assignment?
Yes. Dr. Catharine Arnold accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catharine Arnold commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.