Doctor profile · Federal record

Dr. Cassandra Muxen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · North Haven, CT

  • NPI 1346744513
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
190 Universal Drive
North Haven, CT 06473
(203) 694-7550
Mailing address
1290 Silas Deane Hwy
Wethersfield, CT 061094337

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
August 19, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Connecticut #071967 · Louisiana #325226

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346744513. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
573
Distinct HCPCS
10
Medicare allowed
$57,106
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 134 75 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 112 73 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 66 49 $93
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 46 16 $52
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $168
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 36 36 $136
G0008 Administration of influenza virus vaccine 22 22 $33
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 17 $123
99239 Hospital discharge day management, more than 30 minutes 20 20 $119
90662 Influenza vaccine split virus, preservative free 18 18 $71

In context: peer comparison

Among 6 peers in this city , average services per provider: 88. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,197
Patients
630
Total drug cost
$16,570
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 162 86 $1,714
Amlodipine Besylate Generic 147 79 $1,035
Rosuvastatin Calcium Generic 129 69 $2,162
Levothyroxine Sodium Generic 124 51 $1,881
Losartan Potassium Generic 86 41 $1,393
Gabapentin Generic 79 35 $2,019
Metoprolol Succinate Generic 67 37 $1,209
Pantoprazole Sodium Generic 63 36 $861
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 52 40 $1,440
Escitalopram Oxalate Generic 50 23 $542

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Muxen's medical specialty?
Dr. Cassandra Muxen practices Internal Medicine Physician in North Haven, CT.
Where does Dr. Cassandra Muxen practice?
Dr. Cassandra Muxen practices at 190 Universal Drive, North Haven, CT 06473. Office phone: 2036947550.
What is Dr. Cassandra Muxen's NPI?
Dr. Cassandra Muxen's National Provider Identifier (NPI) is 1346744513, issued by NPPES.
Does Dr. Cassandra Muxen accept Medicare assignment?
Yes. Dr. Cassandra Muxen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Muxen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.