MR. ZACHARY W LANDAU D.O.
NPI 1558718676
Emergency Medicine in Waterbury, CT

Active since May 18, 2016PECOS EnrolledAccepts Medicare Assignment
56 FRANKLIN ST STE 1, WATERBURY, CT 06706(203) 709-6000 Get Directions Write a Review

NPPES record last updated: March 31, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2025, Apr 4, 2024, Sep 11, 2020 and 1 more (4 updates tracked since 2016).

About Mr. Zachary W Landau D.o. NPPES

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

MR. ZACHARY W LANDAU D.O. (NPI 1558718676) is an individual emergency medicine provider in Waterbury, Connecticut, licensed in Connecticut (77372) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2016).

NPPES Registry Identity

NPI1558718676
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMR. ZACHARY W LANDAUCredential: D.O.
Location Address56 FRANKLIN ST STE 1Waterbury, CT 06706-1281
Mailing Address56 Franklin St Ste 1Waterbury, CT 06706-1281 · (203) 709-6000
Sole ProprietorNo
Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2016
Enumeration DateMay 18, 2016
Last NPPES UpdateMarch 31, 20254 updates tracked since enumeration
NPPES CertifiedMarch 31, 2025
✔ NPI 1558718676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CT · 77372✔ Licensed in NY · 328292
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.
56 FRANKLIN ST STE 1, Waterbury, CT 06706

Secondary Practice Location 1

Location 1Naval Medica Center San Diego, 34800 Bob Wilson DriveSan Diego, CA 92134-5000 · Phone (619) 532-7935

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Zachary W Landau D.o. 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 ID7012359656
PECOS Enrollment IDI20240528002120
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 Zachary Landau reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Emergency Medicine
56 FRANKLIN ST
Waterbury, CT 06706
  • Reassigned Medicare billing, Connecticut enrollment
  • 100 clinicians in this Medicare group
Emergency Medicine
64 ROBBINS ST
Waterbury, CT 06708
  • Reassigned Medicare billing, Connecticut enrollment
  • 125 clinicians in this Medicare group
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
Allergy & Immunology
47 NEW SCOTLAND AVE
Albany, NY 12208
  • Reassigned Medicare billing, New York enrollment
  • 1,640 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
73 services73 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
62 services59 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06706 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.

Nurse Practitioner
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Student in an Organized Health Care Education/Training Program
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Student in an Organized Health Care Education/Training Program
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Nurse Anesthetist, Certified Registered
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Student in an Organized Health Care Education/Training Program
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Dietitian, Registered
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Social Worker
56 FRANKLIN ST STE 1
WATERBURY, CT 06706
Internal Medicine (Pulmonary Disease)
56 FRANKLIN ST STE 1
WATERBURY, CT 06706

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 Landau's NPI number?

The NPI number for Zachary Landau is 1558718676. It was assigned to this individual provider in the NPPES registry on May 18, 2016.

Where is Zachary Landau located?

Zachary Landau practices at 56 Franklin St Ste 1, Waterbury, CT 06706. The listed phone number is (203) 709-6000.

What is Zachary Landau's specialty?

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

Is Zachary Landau enrolled in Medicare?

Yes. Zachary Landau 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.

Which organizations bill Medicare for Zachary Landau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Landau reassigns Medicare benefits to 4 organizations: Cep America LLC (Waterbury, CT), Emergency Physicians Of Connecticut PC (Waterbury, CT), Trinity Health Of New England Provider Network Organization Inc (Hartford, CT) and Albany Medical College (Albany, NY). 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 Zachary Landau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Landau accept?

Health plans from WellSense Health Plan list Zachary Landau 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 Zachary Landau was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.