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SAPARJA NAG MD
NPI 1669177010
Pediatrics in New Haven, CT

Active since April 04, 2023PECOS Enrolled
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

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

Record update history: Apr 18, 2026, Apr 4, 2023 (2 updates tracked since 2023).

About Saparja Nag Md NPPES

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

SAPARJA NAG MD (NPI 1669177010) is an individual pediatrics provider in New Haven, Connecticut, licensed in Connecticut (83822) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (2023).

NPPES Registry Identity

NPI1669177010
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameSAPARJA NAGCredential: MD
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4242
Phone(203) 688-4242
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2023
Enumeration DateApril 4, 2023
Last NPPES UpdateApril 18, 20262 updates tracked since enumeration
NPPES CertifiedApril 18, 2026
✔ NPI 1669177010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 83822
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.
20 YORK ST, New Haven, CT 06510
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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)

Saparja Nag Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244699874
PECOS Enrollment IDI20260625000082
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 Saparja Nag 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 06510 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.

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
BERNADETTE BIMONTE-HACKETT LCSW
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-5161

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 Saparja Nag's NPI number?

The NPI number for Saparja Nag is 1669177010. It was assigned to this individual provider in the NPPES registry on April 4, 2023.

Where is Saparja Nag located?

Saparja Nag practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Saparja Nag's specialty?

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

Is Saparja Nag enrolled in Medicare?

Yes. Saparja Nag is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Saparja Nag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Saparja Nag 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 Saparja Nag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Saparja Nag accept?

Health plans from Anthem Blue Cross and Blue Shield list Saparja Nag 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 Saparja Nag was last updated on April 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.