Jordan Cothern Armstrong, MD
Sleep Medicine (Psychiatry & Neurology) Physician · Jackson, MS
Jordan Cothern Armstrong, MD is a sleep medicine (psychiatry & neurology) physician with a practice address in Jackson, Mississippi, and NPI 1346869633, issued on Apr 16, 2020. Check the license (Mississippi 35108, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jordan Cothern Armstrong
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
- License number
- 35108 MS
Self-reported in NPPES; status is on the state search - Practice location
- 2500 N State St, Jackson, MS 39216
- Phone
- (601) 984-1000
- Enumerated
- Apr 16, 2020
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20250815003215); accepts Medicare assignment
- Entity
- Type 1 · individual
5 nearest sleep medicine (psychiatry & neurology) physician records → All 6 in Mississippi → Look up another NPI →
Also registered at 2500 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jordan Cothern Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 35108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024
132 Medicare Part D claims for 33 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam16 claims
- Gabapentin14 claims
- Lacosamide12 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
- State OF Mississippi-University OF Mississippi Medical CenterJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sleep Medicine (Psychiatry & Neurology) Physician providers in Mississippi
There are 6 sleep medicine (psychiatry & neurology) physician records in Mississippi.
All 6 in Mississippi → Every provider in Jackson → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →
The 5 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- Sagar Patel, MDJackson, MS 392161386725570
- Geoffrey Hartwig, MDHattiesburg, MS 394011235141888
- Krishna Nalluri, M.D.Gulfport, MS 395031336212554
- Reabie LadunaDiberville, MS 395401528837010
- Christopher Karcher, MDOcean Springs, MS 395641194810408
Common questions
What is Jordan Cothern Armstrong, MD's NPI number?
Jordan Cothern Armstrong, MD's National Provider Identifier (NPI) is 1346869633, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jordan Cothern Armstrong, MD located?
The NPPES record lists a practice address at 2500 N State St, Jackson, MS, 39216. Phone: (601) 984-1000. Providers update this record themselves, so call before visiting.
How can I verify Jordan Cothern Armstrong, MD's license?
NPPES lists Mississippi license number 35108, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jordan Cothern Armstrong, MD prescribe under Medicare Part D?
In 2024, Jordan Cothern Armstrong, MD had 132 Medicare Part D claims for 33 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. 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.