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MARYELLEN BRIDGET FLAHERTY-HEWITT MD
NPI 1598748451
Pediatrics in New Haven, CT

Active since November 23, 2005PECOS Enrolled
800 HOWARD AVE, YALE PHYSICIANS BLDG, NEW HAVEN, CT 06519(203) 785-2140(203) 785-6414 Get Directions Write a Review

NPPES record last updated: October 12, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Maryellen Bridget Flaherty-hewitt Md NPPES

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

MARYELLEN BRIDGET FLAHERTY-HEWITT MD (NPI 1598748451) is an individual pediatrics provider in New Haven, Connecticut, licensed in Connecticut (040155) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598748451
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARYELLEN BRIDGET FLAHERTY-HEWITTCredential: MD
Location Address800 HOWARD AVE, YALE PHYSICIANS BLDGNew Haven, CT 06519-1369
Mailing AddressPo Box 9805, 300 George St 6th FloorNew Haven, CT 06536-0805 · (203) 785-7998 · Fax (203) 785-6414
Phone(203) 785-2140
Fax(203) 785-6414
Sole ProprietorNo
Enumeration DateNovember 23, 2005
Last NPPES UpdateOctober 12, 2007
✔ NPI 1598748451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 040155
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
800 HOWARD AVE, New Haven, CT 06519
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Other Identifiers 1

Medicare UPINJ71899

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maryellen Bridget Flaherty-hewitt Md 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 Reassignment

Medicare enrollment records show Maryellen Flaherty-hewitt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
0.4 mi
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
NPI 1124148887 (203) 737-5432

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 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MS. PAULA M. TORTORICI-SCHEFF FNP
Nurse Practitioner (Family)
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-4242
GERARD ANDREW BETRO MD
Surgery
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2140
ALEXA BLOOD APRN
Nurse Practitioner
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2565
MICHAEL DIGIOVANNA MD
Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING - 2ND FLOOR
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-4191
HELENA TERESA CHMIELOWICZ APRN
Clinical Nurse Specialist (Gerontology)
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2140
DR. MARC LEWIS ROSEN MD
Physical Medicine & Rehabilitation
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2579
MICHELE ANNE GOYETTE -EWING PHD
Psychologist (Clinical Child & Adolescent)
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2140
UZMA USMAN MD
Psychiatry & Neurology (Neuromuscular Medicine)
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (999) 999-9999

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 Maryellen Flaherty-hewitt's NPI number?

The NPI number for Maryellen Flaherty-hewitt is 1598748451. It was assigned to this individual provider in the NPPES registry on November 23, 2005.

Where is Maryellen Flaherty-hewitt located?

Maryellen Flaherty-hewitt practices at 800 Howard Ave Yale Physicians Bldg, New Haven, CT 06519. The listed phone number is (203) 785-2140.

What is Maryellen Flaherty-hewitt's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Maryellen Flaherty-hewitt enrolled in Medicare?

Yes. Maryellen Flaherty-hewitt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maryellen Flaherty-hewitt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryellen Flaherty-hewitt 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 Maryellen Flaherty-hewitt'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 Maryellen Flaherty-hewitt was last updated on October 12, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.