Zachary W. Landau, D.O.
Emergency Medicine Physician · Waterbury, CT
Zachary W. Landau, D.O. is an emergency medicine physician with a practice address in Waterbury, Connecticut, and NPI 1558718676, issued on May 18, 2016. Check the license (Connecticut 77372, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Zachary W. Landau
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 77372 CT
328292 NY
Self-reported in NPPES; status is on the state search - Practice location
- 56 Franklin St Ste 1, Waterbury, CT 06706
- Phone
- (203) 709-6000
- Enumerated
- May 18, 2016
- Record last updated
- Mar 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20240528002120); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 56 Franklin St Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert ArnoCertified Registered Nurse Anesthetist1073998159
- Vanessa Ayafor, MDStudent in an Organized Health Care Education/Training Program1871353805
- Adem Aydin, MDStudent in an Organized Health Care Education/Training Program1407559925
- Marjan Azin, MDStudent in an Organized Health Care Education/Training Program1972306512
- Shika CardStudent in an Organized Health Care Education/Training Program1114414356
- Brendan Carey, RNPsychiatric/Mental Health Nurse Practitioner1306671433
Verify Zachary W. Landau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 77372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average emergency medicine physician in 2024
130 Medicare Part D claims for 94 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Cep America LLCWaterbury, CT
- Emergency Physicians OF Connecticut PCSharon, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary W. Landau among 846 emergency medicine physician records in Connecticut
Zachary W. Landau, D.O. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2016 · median 2011 among the 574 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 emergency medicine physician records list a practice address in Waterbury
They are 41 of the 3,148 NPPES records with a practice address in Waterbury, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Waterbury → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Ashwood, MDWaterbury, CT 067061518983329
- Glen Blomstrom, M.D.Waterbury, CT 067061336378991
- Kent Burgwardt, DOWaterbury, CT 067061538192869
- Eudocia Cabello, M.D.Waterbury, CT 067061205065356
- Adam Corrado, MDWaterbury, CT 067061992769715
- Alan Couture, MDWaterbury, CT 067061619900958
- Lucinda Fingado, MDWaterbury, CT 067061710913363
- Andrew Heggland, MDWaterbury, CT 067061740482488
Common questions
What is Zachary W. Landau, D.O.'s NPI number?
Zachary W. Landau, D.O.'s National Provider Identifier (NPI) is 1558718676, issued on May 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Zachary W. Landau, D.O. located?
The NPPES record lists a practice address at 56 Franklin St Ste 1, Waterbury, CT, 06706. Phone: (203) 709-6000. Providers update this record themselves, so call before visiting.
How can I verify Zachary W. Landau, D.O.'s license?
NPPES lists Connecticut license number 77372, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachary W. Landau, D.O. prescribe under Medicare Part D?
In 2024, Zachary W. Landau, D.O. had 130 Medicare Part D claims for 94 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.