MS. MARY LYNN JOHNSTON APRN
NPI 1841424801
Nurse Practitioner - Adult Health in New Haven, CT

Active since May 06, 2009
800 HOWARD AVE, YPB 4TH FLOOR, NEW HAVEN, CT 06519(203) 785-4191(203) 737-6014 Get Directions Write a Review

NPPES record last updated: January 23, 2013. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Ms. Mary Lynn Johnston Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARY LYNN JOHNSTON APRN (NPI 1841424801) is an individual adult health provider in New Haven, Connecticut, licensed in Connecticut (002311) and active in the NPI registry since May 2009.

NPPES Registry Identity

NPI1841424801
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. MARY LYNN JOHNSTONCredential: APRN
Location Address800 HOWARD AVE, YPB 4TH FLOORNew Haven, CT 06519-1369
Mailing Address300 George St, 6th FloorNew Haven, CT 06511-6624 · (203) 785-4216 · Fax (203) 737-6014
Fax(203) 737-6014
Sole ProprietorNo
Enumeration DateMay 6, 2009
Last NPPES UpdateJanuary 23, 2013
NPI 1841424801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in CT · 002311
800 HOWARD AVE, New Haven, CT 06519

Other Identifiers 2

Medicare PIND400003306CT
Medicaid008003990CT

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.

Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING - 2ND FLOOR
NEW HAVEN, CT 06519
Social Worker
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Internal Medicine (Interventional Cardiology)
800 HOWARD AVE, YPB - 2ND FLOOR
NEW HAVEN, CT 06519
Obstetrics & Gynecology
800 HOWARD AVE, YALE PHYSICIAN'S BUILDING, 3RD FLOOR
NEW HAVEN, CT 06519
Internal Medicine (Cardiovascular Disease)
800 HOWARD AVE, YALE PHYSICIANS' BUILDING, 2ND FLOOR
NEW HAVEN, CT 06519
Obstetrics & Gynecology (Gynecology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING- 3RD FLOOR
NEW HAVEN, CT 06519
Internal Medicine (Cardiovascular Disease)
800 HOWARD AVE, YALE PHYSICIANS' BUILDING; DEPT. OF CARDIOLOGY
NEW HAVEN, CT 06519
Emergency Medicine
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841424801, enumerated as an "individual" on May 06, 2009.

The provider is located at 800 HOWARD AVE YPB 4TH FLOOR NEW HAVEN, CT 06519 and the phone number is (203) 785-4191.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.