Doctor profile · Federal record

Dr. Susan Collins, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Darien, CT

  • NPI 1306877626
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Post RD, First Floor
Darien, CT 068205935
(203) 655-8749
fax (203) 656-0701

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 10, 2017
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #035578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306877626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,616
Distinct HCPCS
10
Medicare allowed
$161,864
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 455 186 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 178 123 $96
99215 Established patient office or other outpatient visit, 40-54 minutes 129 79 $191
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 120 26 $67
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 102 97 $15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 88 88 $139
99441 Telephone medical discussion with physician, 5-10 minutes 75 65 $60
99442 Telephone medical discussion with physician, 11-20 minutes 64 50 $97
96372 Injection of drug or substance under skin or into muscle 55 22 $15
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 50 50 $255

In context: peer comparison

Among 5 peers in this city , average services per provider: 96. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $23.95
PFIZER INC. 1 $13.93

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,908
Patients
535
Total drug cost
$134,039
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 239 70 $3,595
Levothyroxine Sodium Generic 210 53 $2,809
Amlodipine Besylate Generic 173 40 $1,527
Pantoprazole Sodium Generic 145 49 $2,585
Escitalopram Oxalate Generic 137 36 $2,662
Rosuvastatin Calcium Generic 126 37 $4,466
Lisinopril Generic 115 32 $1,272
Alprazolam Generic 112 39 $722
Losartan Potassium Generic 111 30 $1,329
Prednisone Generic 104 39 $582

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Collins's medical specialty?
Dr. Susan Collins practices Internal Medicine Physician in Darien, CT.
Where does Dr. Susan Collins practice?
Dr. Susan Collins practices at 1500 Post RD, Darien, CT 068205935. Office phone: 2036558749.
What is Dr. Susan Collins's NPI?
Dr. Susan Collins's National Provider Identifier (NPI) is 1306877626, issued by NPPES.
Does Dr. Susan Collins accept Medicare assignment?
Yes. Dr. Susan Collins accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Collins commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.