Emerson Posadas
Emergency Medicine Physician · Las Vegas, NV
Emerson Posadas is an emergency medicine physician with a practice address in Las Vegas, Nevada, and NPI 1891157616, issued on Mar 22, 2016. Check the license (Nevada 18752, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Emerson Posadas
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 18752 NV
Self-reported in NPPES; status is on the state search - Practice location
- 901 Rancho LN, Las Vegas, NV 89106
- Phone
- (702) 383-7885
- Enumerated
- Mar 22, 2016
- Record last updated
- Dec 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220214001992); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 575 in Nevada → Look up another NPI →
Also registered at 901 Rancho LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Busby, D.O.Emergency Medicine Physician1669899779
Verify Emerson Posadas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 18752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average emergency medicine physician in 2024
445 Medicare Part D claims for 257 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 49 claims were for opioids.
Most prescribed
- Ondansetron Odt43 claims
- Amoxicillin-Clavulanate Potass32 claims
- Cephalexin31 claims
- Naproxen29 claims
- Oxycodone-Acetaminophen29 claims
- Azithromycin24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Palomar Emergency Physicians, IncEscondido, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emerson Posadas among 575 emergency medicine physician records in Nevada
Emerson Posadas is one of 575 emergency medicine physician records with a practice address in Nevada. 83% 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 66% of them.
- NPI issued2016 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2014 among the 366 with a school on file
- Record last updated2019 · 45% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Nevada
There are 575 emergency medicine physician records in Nevada.
All 575 in Nevada → Every provider in Las Vegas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Marc Abramow, MDLas Vegas, NV 891061790739928
- Kathleen Cornia, MDLas Vegas, NV 891061487608618
- James Game, MDLas Vegas, NV 891061063467835
- Catherine Ghanem, MDLas Vegas, NV 891061699729830
- Jason Grabert, MDLas Vegas, NV 891061598719718
- Nathan Heaps, MDLas Vegas, NV 891061164476750
- Edwin Homansky, MDLas Vegas, NV 891061902859028
- Knef LizasoLas Vegas, NV 891061396799532
Common questions
What is Emerson Posadas's NPI number?
Emerson Posadas's National Provider Identifier (NPI) is 1891157616, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Emerson Posadas located?
The NPPES record lists a practice address at 901 Rancho LN, Las Vegas, NV, 89106. Phone: (702) 383-7885. Providers update this record themselves, so call before visiting.
How can I verify Emerson Posadas's license?
NPPES lists Nevada license number 18752, 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 Emerson Posadas prescribe under Medicare Part D?
In 2024, Emerson Posadas had 445 Medicare Part D claims for 257 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Emerson Posadas's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.