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ZACHARY BRANDON LOUIS MD
NPI 1790369726
Emergency Medicine in New Haven, CT

Active since May 06, 2021PECOS EnrolledAccepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 11, 2026, May 6, 2021 (2 updates tracked since 2021).

About Zachary Brandon Louis Md NPPES

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

ZACHARY BRANDON LOUIS MD (NPI 1790369726) is an individual emergency medicine provider in New Haven, Connecticut, licensed in Connecticut (80978) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1790369726
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameZACHARY BRANDON LOUISCredential: 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 CMSOtherGraduated 2020
Enumeration DateMay 6, 2021
Last NPPES UpdateMay 11, 20262 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1790369726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CT · 80978
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
20 YORK ST, New Haven, CT 06510
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Zachary Brandon Louis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901206143
PECOS Enrollment IDI20250730002952
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.

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
NEEHARIKA THOTTEMPUDI MBBS
Psychiatry & Neurology (Neurology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
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

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 Zachary Louis's NPI number?

The NPI number for Zachary Louis is 1790369726. It was assigned to this individual provider in the NPPES registry on May 6, 2021.

Where is Zachary Louis located?

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

What is Zachary Louis's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Zachary Louis enrolled in Medicare?

Yes. Zachary Louis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Zachary Louis was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.