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JULIANN WILLIAMS SHEEHAN M.D.
NPI 1194951434
Pediatrics - Neonatal-Perinatal Medicine in New Britain, CT

Active since June 01, 2009PECOS Enrolled
100 GRAND ST, THE HOSPITAL OF CENTRAL CONNECTICUT, NEW BRITAIN, CT 06052(860) 224-5691(860) 224-5795 Get Directions Write a Review

NPPES record last updated: April 8, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Juliann Williams Sheehan M.d. NPPES

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

JULIANN WILLIAMS SHEEHAN M.D. (NPI 1194951434) is an individual neonatal-perinatal medicine provider in New Britain, Connecticut, licensed in Connecticut (54317) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194951434
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameJULIANN WILLIAMS SHEEHANCredential: M.D.
Location Address100 GRAND ST, THE HOSPITAL OF CENTRAL CONNECTICUTNew Britain, CT 06052-2016
Mailing Address100 Grand St, The Hospital Of Central ConnecticutNew Britain, CT 06052-2016 · (860) 224-5691 · Fax (860) 224-5795
Phone(860) 224-5691
Fax(860) 224-5795
Sole ProprietorYes
Enumeration DateJune 1, 2009
Last NPPES UpdateApril 8, 2022
NPPES CertifiedApril 8, 2022
✔ NPI 1194951434 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 · 54317
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.
100 GRAND ST, New Britain, CT 06052
Open in Google Maps ↗

Other Names 1

Former Name (1)Juliann Theresa Williams M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Juliann Williams Sheehan 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

4

Medicare enrollment records show Juliann Sheehan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Hospital Of Central Connecticut At New Britain General And Bradley
0.1 mi
General Acute Care Hospital
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 745 clinicians in this Medicare group
NPI 1053477075 (860) 224-5011
Connecticut Children's Specialty Group, Inc.
8.4 mi
Pediatrics
282 WASHINGTON ST
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 601 clinicians in this Medicare group
NPI 1669448882 (860) 545-9000
Middlesex Hospital
9.3 mi
Family Medicine
90 S MAIN ST
Middletown, CT 06457
  • Reassigned Medicare billing, Connecticut enrollment
  • 66 clinicians in this Medicare group
NPI 1851350664 (860) 358-6394
Yale University
23 mi
Adult Mental Health
95 CIRCULAR AVE
Hamden, CT 06514
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1134391824 (203) 288-6253

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.

MISS NIRMALA BHATT MD
Internal Medicine
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 224-5011
MUHAMMAD YASIR ANWAR MBBS
Hospitalist
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 224-5011
DR. ALEXANDER VDOVENKO M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 224-5584
MS. KORTNEY ROSE RIBBECK PA-C
Physician Assistant (Medical)
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 224-5011
SHEILA SANTHAPPA M.D.
Psychiatry & Neurology (Neurology)
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (608) 224-5305
MS. ELLEN ROSENBERG LMSW
Social Worker (Clinical)
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 224-5285
DR. LOUIS GRAFF IV M.D.
Emergency Medicine
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 224-5774
WANDA M KIREJCZYK MD
Radiology (Diagnostic Radiology)
100 GRAND ST
NEW BRITAIN, CT 06052
Capitol Planning Region (860) 225-5556

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 Juliann Sheehan's NPI number?

The NPI number for Juliann Sheehan is 1194951434. It was assigned to this individual provider in the NPPES registry on June 1, 2009. The provider is also known as Juliann Theresa Williams M.D..

Where is Juliann Sheehan located?

Juliann Sheehan practices at 100 Grand St The Hospital Of Central Connecticut, New Britain, CT 06052. The listed phone number is (860) 224-5691.

What is Juliann Sheehan's specialty?

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

Is Juliann Sheehan enrolled in Medicare?

Yes. Juliann Sheehan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Juliann Sheehan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juliann Sheehan reassigns Medicare benefits to 4 organizations: The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT), Connecticut Children's Specialty Group, Inc. (Hartford, CT), Middlesex Hospital (Middletown, CT) and Yale University (Hamden, 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 Juliann Sheehan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Juliann Sheehan accept?

Health plans from Anthem Blue Cross and Blue Shield list Juliann Sheehan 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 Juliann Sheehan was last updated on April 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.