Mollie Abigail Simmons, MD
Adult Congenital Heart Disease Physician · New Haven, CT
Mollie Abigail Simmons, MD is an adult congenital heart disease physician with a practice address in New Haven, Connecticut, and NPI 1871883942, issued on Apr 11, 2011. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mollie Abigail Simmons
- Credential
- MD
- Primary taxonomy
- Adult Congenital Heart Disease Physician 207RA0002X
- License number
- MD2020-0355 NM
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- Apr 11, 2011
- Record last updated
- May 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20240424002783); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
All 1 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mollie Abigail Simmons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average adult congenital heart disease physician in 2024
183 Medicare Part D claims for 30 beneficiaries, against an average of 462 among the 117 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Furosemide32 claims
- Spironolactone22 claims
- Sildenafil Citrate15 claims
- Bumetanide14 claims
- Metoprolol Succinate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $84.58
2 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 60 providers of this specialty with any payment received $1,824.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Fairview Express CareMaple Grove, MN
- University OF Minnesota Health Clinics And Surgery Center IncMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adult Congenital Heart Disease Physician providers in Connecticut
There are 1 adult congenital heart disease physician records in Connecticut.
All 1 in Connecticut → Every provider in New Haven → Adult Congenital Heart Disease Physician nationwide →
Common questions
What is Mollie Abigail Simmons, MD's NPI number?
Mollie Abigail Simmons, MD's National Provider Identifier (NPI) is 1871883942, issued on Apr 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mollie Abigail Simmons, MD located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Mollie Abigail Simmons, MD's license?
Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mollie Abigail Simmons, MD prescribe under Medicare Part D?
In 2024, Mollie Abigail Simmons, MD had 183 Medicare Part D claims for 30 beneficiaries; the average among adult congenital heart disease physician prescribers was 462. Part D covers Medicare prescriptions only.
What is Mollie Abigail Simmons, MD's MIPS final score?
The 2023 MIPS final score is 83.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.