Justin Scott McLean, M.D.
Emergency Medicine Physician · Boulder, CO
Justin Scott McLean, M.D. is an emergency medicine physician with a practice address in Boulder, Colorado, and NPI 1154688505, issued on Apr 23, 2012. Check the license (Colorado DR.0055298, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Justin Scott McLean
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DR.0055298 CO
73384 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4747 Arapahoe Ave, Boulder, CO 80303
- Phone
- (303) 415-7000
- Enumerated
- Apr 23, 2012
- Record last updated
- Feb 13, 2024
- Fax
- (303) 666-4357
- Medicare enrollment
- Enrolled (PECOS I20150918001032); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 4747 Arapahoe Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Adler, MDAnesthesiology Physician1932738358
- Jeska Albuisson, M.D.Internal Medicine Physician1184899320
- Carl Aldin, MDInternal Medicine Physician1932728565
- Chase Allen, PHARMDPharmacist1902727399
- Alice Ames, RDNRegistered Dietitian1013631084
- Lowell Anderson-Reitz, NPAdult Health Nurse Practitioner1255374849
Verify Justin Scott McLean in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0055298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average emergency medicine physician in 2024
182 Medicare Part D claims for 140 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 36 claims were for opioids.
Most prescribed
- Ondansetron Odt20 claims
- Oxycodone-Acetaminophen18 claims
- Cephalexin12 claims
- Hydrocodone-Acetaminophen11 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 one group practice
- Boulder Emergency Physicians P.C.Boulder, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Scott McLean among 1,434 emergency medicine physician records in Colorado
Justin Scott McLean, M.D. is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2011 among the 810 with a school on file
- Record last updated2024 · 59% 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 Colorado 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 Colorado
There are 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Boulder → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Melissa GillespieBoulder, CO 803031649208471
- Matthew Loran, M.D.Boulder, CO 803031376521641
- Damon NegriBoulder, CO 803031124193453
- Christine Riguzzi, MDBoulder, CO 803031245550045
- Michael SchlegelBoulder, CO 803031740252220
- Alison SheetsBoulder, CO 803031164634218
- Kr Spotts, D.O.Boulder, CO 803031083664486
- Michael Thompson, M.D.Boulder, CO 803031316924178
Common questions
What is Justin Scott McLean, M.D.'s NPI number?
Justin Scott McLean, M.D.'s National Provider Identifier (NPI) is 1154688505, issued on Apr 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Justin Scott McLean, M.D. located?
The NPPES record lists a practice address at 4747 Arapahoe Ave, Boulder, CO, 80303. Phone: (303) 415-7000. Providers update this record themselves, so call before visiting.
How can I verify Justin Scott McLean, M.D.'s license?
NPPES lists Colorado license number DR.0055298, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin Scott McLean, M.D. prescribe under Medicare Part D?
In 2024, Justin Scott McLean, M.D. had 182 Medicare Part D claims for 140 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.