Doctor profile · Federal record

Dr. Mollie Simmons, MD

Adult Congenital Heart Disease Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Internal Medicine Physician · Pediatrics Physician · Pediatric Cardiology Physician · New Haven, CT

  • NPI 1871883942
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 06510
(203) 688-4242

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
May 24, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RA0002X — NUCC code
State license (1)
New Mexico #MD2020-0355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871883942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
5
Medicare allowed
$4,453
HCPCS Description Services Patients Avg allowed
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 28 17 $3
93303 Ultrasound of heart for congenital defect 26 17 $60
93320 Ultrasound of heart blood flow, valves and chambers 26 17 $17
99214 Established patient office or other outpatient visit, 30-39 minutes 23 16 $96
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 20 16 $8

In context: peer comparison

Among 1 peers in New Haven Adult Congenital Heart Disease Physician, average services per provider: 24. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Philips North America LLC 2 $84.58

By nature of payment

Food and Beverage
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
0
Total drug cost
$28,849
Drug Type Claims Patients Total cost
Furosemide Generic 38 0 $263
Farxiga (Dapagliflozin Propanediol) Brand 25 0 $16,315
Spironolactone Generic 24 0 $410
Metoprolol Succinate Generic 17 0 $846
Xarelto (Rivaroxaban) Brand 12 0 $10,346
Dofetilide Generic 11 0 $669

Frequently asked questions

Auto-generated from federal data
What is Dr. Mollie Simmons's medical specialty?
Dr. Mollie Simmons practices Adult Congenital Heart Disease Physician in New Haven, CT.
Where does Dr. Mollie Simmons practice?
Dr. Mollie Simmons practices at 20 York St, New Haven, CT 06510. Office phone: 2036884242.
What is Dr. Mollie Simmons's NPI?
Dr. Mollie Simmons's National Provider Identifier (NPI) is 1871883942, issued by NPPES.
Does Dr. Mollie Simmons accept Medicare assignment?
Yes. Dr. Mollie Simmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mollie Simmons commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS 93325); Ultrasound of heart for congenital defect (HCPCS 93303); Ultrasound of heart blood flow, valves and chambers (HCPCS 93320). Source: CMS Medicare Physician & Other Practitioners file.