William Z. Harrington, MD
Emergency Medical Services (Emergency Medicine) Physician · Las Vegas, NV
William Z. Harrington, MD is an emergency medical services (emergency medicine) physician with a practice address in Las Vegas, Nevada, and NPI 1932162583, issued on Apr 6, 2006. Check the license (Nevada 6661, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Z. Harrington
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 6661 NV
Self-reported in NPPES; status is on the state search - Practice location
- 3100 N Tenaya Way, Las Vegas, NV 89128
- Phone
- (972) 915-3600
- Enumerated
- Apr 6, 2006
- Record last updated
- Jul 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (972) 915-3636
- Medicaid ID
- 002019405 NV
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 25 in Nevada → Look up another NPI →
Also registered at 3100 N Tenaya Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mariam Alebyan, PHARMDPharmacist1447196563
Verify William Z. Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 6661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
187 Medicare Part D claims for 116 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin25 claims
- Ibuprofen19 claims
- Azithromycin13 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.
William Z. Harrington among 25 emergency medical services (emergency medicine) physician records in Nevada
William Z. Harrington, MD is one of 25 emergency medical services (emergency medicine) physician records with a practice address in Nevada. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 36% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2010 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Nevada
There are 25 emergency medical services (emergency medicine) physician records in Nevada.
All 25 in Nevada → Every provider in Las Vegas → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Clarence Dunagan, MDLas Vegas, NV 891281972505675
- Patrick Flores, D.O.Las Vegas, NV 891281104087287
- Aaron Lovinger, MDLas Vegas, NV 891281063462364
- John Facinoli, D.O.Las Vegas, NV 891301679546493
- Timothy Vanduzer, MDLas Vegas, NV 891071023051760
- Tyler Davis, PA-CLas Vegas, NV 891061275090722
- Kerry Dean, MDLas Vegas, NV 891061598134702
- Willow Nelson, DOLas Vegas, NV 891061316706948
Common questions
What is William Z. Harrington, MD's NPI number?
William Z. Harrington, MD's National Provider Identifier (NPI) is 1932162583, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Z. Harrington, MD located?
The NPPES record lists a practice address at 3100 N Tenaya Way, Las Vegas, NV, 89128. Phone: (972) 915-3600. Providers update this record themselves, so call before visiting.
How can I verify William Z. Harrington, MD's license?
NPPES lists Nevada license number 6661, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Z. Harrington, MD prescribe under Medicare Part D?
In 2024, William Z. Harrington, MD had 187 Medicare Part D claims for 116 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.