MRS. MOLLIE ABIGAIL SIMMONS MD
NPI 1871883942
Internal Medicine - Adult Congenital Heart Disease in New Haven, CT
About Mrs. Mollie Abigail Simmons Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MOLLIE ABIGAIL SIMMONS MD (NPI 1871883942) is an individual adult congenital heart disease provider in New Haven, Connecticut, licensed in New Mexico (MD2020-0355) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Mollie Abigail Simmons Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Mollie Simmons reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodbury, MN 55125
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 2,105 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
M Health Fairview University Of Mn
Acute Care Hospitals · Minneapolis, MNMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mollie Simmons's NPI number?
The NPI number for Mollie Simmons is 1871883942. It was assigned to this individual provider in the NPPES registry on April 11, 2011. The provider is also known as Ms. Mollie Abigail Land MD.
Where is Mollie Simmons located?
Mollie Simmons practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.
What is Mollie Simmons's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Adult Congenital Heart Disease, with taxonomy code 207RA0002X.
Is Mollie Simmons enrolled in Medicare?
Yes. Mollie Simmons is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mollie Simmons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mollie Simmons reassigns Medicare benefits to 4 organizations: Fairview Express Care (Woodbury, MN), Fairview Specialty Services (Saint Paul, MN), University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN) and Unm Medical Group Inc (Albuquerque, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mollie Simmons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mollie Simmons affiliated with any hospitals?
According to CMS data, Mollie Simmons is affiliated with M Health Fairview University Of Mn.
When was this NPI record last updated?
The NPPES record for Mollie Simmons was last updated on May 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mrs. Mollie Abigail Simmons, MD · NPI 1871883942
Adult Congenital Heart Disease physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since April 11, 2011.
## Identity
- **NPI:** 1871883942 (Entity type: Individual)
- **Enumerated:** April 11, 2011
- **Primary specialty:** Internal Medicine - Adult Congenital Heart Disease · taxonomy 207RA0002X
- **State license:** MD2020-0355 (New Mexico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 20 YORK ST, New Haven, CT 06510
- **Phone:** (203) 688-4242
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Fairview Express Care (NPI 1700235587, Woodbury, MN); Fairview Specialty Services (NPI 1912066218, Saint Paul, MN); University Of Minnesota Health Clinics And Surgery Center Inc (NPI 1003485004, Minneapolis, MN); Unm Medical Group Inc (NPI 1831218627, Albuquerque, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** May 24, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1871883942) · Data from the CMS NPPES public registry.