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NEW HAVEN WALK IN MEDICAL CENTER
NPI 1285837401
Pediatrics in New Haven, CT

Active since June 06, 2007
77 GRAND AVE, NEW HAVEN, CT 06513(203) 562-8697(203) 562-1822 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About New Haven Walk In Medical Center NPPES

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

NEW HAVEN WALK IN MEDICAL CENTER (NPI 1285837401) is a healthcare organization registered as a pediatrics in New Haven, Connecticut and active in the NPI registry since June 2007. The organization lists Mallick Qaiser Alam, Physician In Charge, as its authorized official.

NPPES Registry Identity

NPI1285837401
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameNEW HAVEN WALK IN MEDICAL CENTER
Location Address77 GRAND AVENew Haven, CT 06513-3906
Mailing Address77 Grand AveNew Haven, CT 06513-3906 · (203) 562-8697 · Fax (203) 562-1822
Phone(203) 562-8697
Fax(203) 562-1822
Organization SubpartNo
Authorized OfficialMallick Qaiser AlamPhysician In Charge · (203) 562-8697
Enumeration DateJune 6, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1285837401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 034112
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.
Also ListedClinic/Center · Physical TherapyTaxonomy 261QP2000X · License 034112 (CT)
77 GRAND AVE, New Haven, CT 06513
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Other Names 1

Other NameNew Haven Walk In Medical Center Llc

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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

New Haven Walk In Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateConnecticutEnrollment IDO20120130000376Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to New Haven Walk In Medical Center, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mallick Alam, MD
Family Practice
NPI 1467529271
77 GRAND AVE
New Haven, CT 06513
(203) 562-8697
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 New Haven Walk In Medical Center's NPI number?

The NPI number for New Haven Walk In Medical Center is 1285837401. It was assigned to this organization in the NPPES registry on June 6, 2007. The provider is also known as New Haven Walk In Medical Center LLC.

Where is New Haven Walk In Medical Center located?

New Haven Walk In Medical Center is located at 77 Grand Ave, New Haven, CT 06513. The listed phone number is (203) 562-8697.

What is New Haven Walk In Medical Center's specialty?

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

Is New Haven Walk In Medical Center enrolled in Medicare?

Yes. New Haven Walk In Medical Center is registered in the Medicare PECOS enrollment system.

When is New Haven Walk In Medical Center's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Connecticut, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through New Haven Walk In Medical Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to New Haven Walk In Medical Center. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does New Haven Walk In Medical Center accept?

Health plans from Anthem Blue Cross and Blue Shield list New Haven Walk In Medical Center 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 New Haven Walk In Medical Center was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.