JOHN FRANCIS CIANNELLA M.D.
NPI 1689972085
Pediatrics - Neonatal-Perinatal Medicine in Stamford, CT

Active since March 09, 2011PECOS Enrolled
ONE HOSPITAL PLAZA, STAMFORD, CT 06904(203) 276-7083(203) 276-7363 Get Directions Write a Review

NPPES record last updated: April 13, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About John Francis Ciannella M.d. NPPES

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

JOHN FRANCIS CIANNELLA M.D. (NPI 1689972085) is an individual neonatal-perinatal medicine provider in Stamford, Connecticut, licensed in Connecticut (49675) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689972085
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameJOHN FRANCIS CIANNELLACredential: M.D.
Location AddressONE HOSPITAL PLAZAStamford, CT 06904
Mailing AddressOne Hospital PlazaStamford, CT 06904 · (203) 276-7083 · Fax (203) 276-7363
Fax(203) 276-7363
Sole ProprietorNo
Enumeration DateMarch 9, 2011
Last NPPES UpdateApril 13, 2016
✔ NPI 1689972085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CT · 49675
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
ONE HOSPITAL PLAZA, Stamford, CT 06904

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Francis Ciannella M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show John Ciannella reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907
  • Reassigned Medicare billing, Connecticut enrollment
  • 496 clinicians in this Medicare group
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
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.

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.

Nurse Practitioner (Acute Care)
ONE HOSPITAL PLAZA
STAMFORD, CT 06904
Internal Medicine
ONE HOSPITAL PLAZA
STAMFORD, CT 06904
Surgery (Surgical Critical Care)
ONE HOSPITAL PLAZA
STAMFORD, CT 06904
Physician Assistant
ONE HOSPITAL PLAZA
STAMFORD, CT 06904
General Practice
ONE HOSPITAL PLAZA, WHITTINGHAM PAVILION
STAMFORD, CT 06904
Internal Medicine
ONE HOSPITAL PLAZA
STAMFORD, CT 06904
Internal Medicine
ONE HOSPITAL PLAZA
STAMFORD, CT 06904
Nurse Practitioner (Psychiatric/Mental Health)
ONE HOSPITAL PLAZA
STAMFORD, CT 06904

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 John Ciannella's NPI number?

The NPI number for John Ciannella is 1689972085. It was assigned to this individual provider in the NPPES registry on March 9, 2011.

Where is John Ciannella located?

John Ciannella practices at One Hospital Plaza, Stamford, CT 06904. The listed phone number is (203) 276-7083.

What is John Ciannella's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is John Ciannella enrolled in Medicare?

Yes. John Ciannella is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Ciannella's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Ciannella reassigns Medicare benefits to 2 organizations: Stamford Health Medical Group Inc (Stamford, CT) and Yale University (New Haven, CT). 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 John Ciannella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Ciannella accept?

Health plans from Anthem Blue Cross and Blue Shield list John Ciannella as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Ciannella was last updated on April 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.