Justin Armstrong, DO
Cardiovascular Disease Physician · Royal Oak, MI
Justin Armstrong, DO is a cardiovascular disease physician with a practice address in Royal Oak, Michigan, and NPI 1114583523, issued on May 13, 2019. Check the license (Michigan 5101026853, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Justin Armstrong
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 5101026853 MI
5151013580 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3601 W 13 Mile RD # MI, Royal Oak, MI 48073
- Phone
- (248) 898-4176
- Enumerated
- May 13, 2019
- Record last updated
- Jul 17, 2022
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Also registered at 3601 W 13 Mile RD # MI
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Vogel, MDPhysical Medicine & Rehabilitation Physician1699568378
Verify Justin Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101026853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
142 Medicare Part D claims for 57 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Ezetimibe16 claims
- Clopidogrel13 claims
- Rosuvastatin Calcium12 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: $1,027.83
9 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Justin Armstrong among 860 cardiovascular disease physician records in Michigan
Justin Armstrong, DO is one of 860 cardiovascular disease physician records with a practice address in Michigan. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 6% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2022 · 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 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Royal Oak → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Costa Andreou, MDRoyal Oak, MI 480731114925419
- Kavitha Chinnaiyan, M.D.Royal Oak, MI 480731528171105
- Pertha Chowdhury, MDRoyal Oak, MI 480731801878111
- Harold Friedman, MDRoyal Oak, MI 480731932181526
- James Goldstein, MDRoyal Oak, MI 480731407830847
- James Heinsimer, MDRoyal Oak, MI 480731861468316
- Douglas Horstmanshof, MDRoyal Oak, MI 480731881688760
- Mary Lazar, MDRoyal Oak, MI 480731255313219
Common questions
What is Justin Armstrong, DO's NPI number?
Justin Armstrong, DO's National Provider Identifier (NPI) is 1114583523, issued on May 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Justin Armstrong, DO located?
The NPPES record lists a practice address at 3601 W 13 Mile RD # MI, Royal Oak, MI, 48073. Phone: (248) 898-4176. Providers update this record themselves, so call before visiting.
How can I verify Justin Armstrong, DO's license?
NPPES lists Michigan license number 5101026853, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin Armstrong, DO prescribe under Medicare Part D?
In 2024, Justin Armstrong, DO had 142 Medicare Part D claims for 57 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.