MADELYN GRACE CONNER MD
NPI 1316684475
Obstetrics & Gynecology - Obstetrics in Boston, MA
About Madelyn Grace Conner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MADELYN GRACE CONNER MD (NPI 1316684475) is an individual obstetrics provider in Boston, Massachusetts, licensed in Massachusetts (1027036) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Madelyn Grace Conner Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Madelyn Conner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 158 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Madelyn Conner's NPI number?
The NPI number for Madelyn Conner is 1316684475. It was assigned to this individual provider in the NPPES registry on May 19, 2022.
Where is Madelyn Conner located?
Madelyn Conner practices at 850 Harrison Avenue, Fl 4 Yawkey Bldg, Boston, MA 02118. The listed phone number is (617) 414-2000.
What is Madelyn Conner's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.
Is Madelyn Conner enrolled in Medicare?
Yes. Madelyn Conner is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Madelyn Conner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madelyn Conner reassigns Medicare benefits to Boston University Obstetrics And Gynecology Foundation, Inc. (Boston, MA). The 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 Madelyn Conner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Madelyn Conner was last updated on August 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Madelyn Grace Conner, MD · NPI 1316684475
Obstetrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 19, 2022.
## Identity
- **NPI:** 1316684475 (Entity type: Individual)
- **Enumerated:** May 19, 2022
- **Primary specialty:** Obstetrics & Gynecology - Obstetrics · taxonomy 207VX0000X
- **State license:** 1027036 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 850 HARRISON AVENUE, FL 4, YAWKEY BLDG, Boston, MA 02118
- **Phone:** (617) 414-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Boston University Obstetrics And Gynecology Foundation, Inc. (NPI 1063459568, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1316684475) · Data from the CMS NPPES public registry.