Justin Sze-Chung Lo, D.O.
Emergency Medicine Physician · Phoenix, AZ
Justin Sze-Chung Lo, D.O. is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1740667526, issued on Apr 30, 2015. Check the license (Arizona 007900, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Justin Sze-Chung Lo
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 007900 AZ
OP61155048 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 E Mcdowell RD, Phoenix, AZ 85006
- Phone
- (480) 500-2540
- Enumerated
- Apr 30, 2015
- Record last updated
- Jul 13, 2022
- Fax
- (623) 201-7954
- Medicare enrollment
- Enrolled (PECOS I20220830004604); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 1111 E Mcdowell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamed Abbaszadegan, MDInternal Medicine Physician1407083579
- Elissa Abbruscato, MDInternal Medicine Physician1356603021
- Mohamed Abdelhabib, MDPulmonary Disease Physician1184287161
- Anurag Adhikari, M.D.Geriatric Medicine (Internal Medicine) Physician1861137952
- Nathanael Adjei, M.D.Internal Medicine Physician1134651896
- Nimit Agarwal, MDInternal Medicine Physician1811155245
Verify Justin Sze-Chung Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 007900Check 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 247 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 62 claims were for opioids.
Most prescribed
- Ondansetron Odt36 claims
- Hydrocodone-Acetaminophen35 claims
- Naproxen32 claims
- Methocarbamol31 claims
- Cephalexin28 claims
- Cefdinir20 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.
Industry payments in 2024: $24.08
1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cep America LLCEdmonds, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Sze-Chung Lo among 1,494 emergency medicine physician records in Arizona
Justin Sze-Chung Lo, D.O. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 64% of them.
- NPI issued2015 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2015 · median 2014 among the 828 with a school on file
- Record last updated2022 · 55% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
394 emergency medicine physician records list a practice address in Phoenix
They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Phoenix → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Bergman, MDPhoenix, AZ 850061770504292
- Moneesh Bhow, M.DPhoenix, AZ 850061215986096
- Andrzej Dmowski, MDPhoenix, AZ 850061518960996
- Robert Leigh, MDPhoenix, AZ 850061568483139
- Melissa Ludwig, MDPhoenix, AZ 850061750302352
- Alan Molk, MDPhoenix, AZ 850061134133580
- Ayrn O'Connor, M.D.Phoenix, AZ 850061194785063
- Robert Porter, DOPhoenix, AZ 850061275561565
Common questions
What is Justin Sze-Chung Lo, D.O.'s NPI number?
Justin Sze-Chung Lo, D.O.'s National Provider Identifier (NPI) is 1740667526, issued on Apr 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Sze-Chung Lo, D.O. located?
The NPPES record lists a practice address at 1111 E Mcdowell RD, Phoenix, AZ, 85006. Phone: (480) 500-2540. Providers update this record themselves, so call before visiting.
How can I verify Justin Sze-Chung Lo, D.O.'s license?
NPPES lists Arizona license number 007900, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin Sze-Chung Lo, D.O. prescribe under Medicare Part D?
In 2024, Justin Sze-Chung Lo, D.O. had 445 Medicare Part D claims for 247 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.