LINDSAY CALLAHAN JOHNSTON MD
NPI 1780885871
Pediatrics - Neonatal-Perinatal Medicine in New Haven, CT
About Lindsay Callahan Johnston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LINDSAY CALLAHAN JOHNSTON MD (NPI 1780885871) is an individual neonatal-perinatal medicine provider in New Haven, Connecticut, licensed in Pennsylvania (MD428336) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lindsay Callahan Johnston Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lindsay Johnston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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.
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 Lindsay Johnston's NPI number?
The NPI number for Lindsay Johnston is 1780885871. It was assigned to this individual provider in the NPPES registry on May 29, 2007.
Where is Lindsay Johnston located?
Lindsay Johnston practices at 333 Cedar St, Wp 493 Box 208064, Yale University, Dept. Of Pediatrics, Neonatology, New Haven, CT 06520. The listed phone number is (203) 688-2320.
What is Lindsay Johnston's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Lindsay Johnston enrolled in Medicare?
Yes. Lindsay Johnston is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lindsay Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lindsay Johnston reassigns Medicare benefits to Yale University (New Haven, CT). 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 Lindsay Johnston'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 Lindsay Johnston was last updated on June 23, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.