NPPES file of Aug 9, 2026

Ryan Alexander, DO, MPH

Addiction Medicine (Family Medicine) Physician · Knoxville, TN

Ryan Alexander, DO, MPH is an addiction medicine (family medicine) physician with a practice address in Knoxville, Tennessee, and NPI 1346773082, issued on Apr 10, 2017. Check the license (Tennessee 3603, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346773082
Name
Ryan Alexander
Credential
DO, MPH
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
3603 TN
Self-reported in NPPES; status is on the state search
Practice location
5310 Ball Camp Pike, Knoxville, TN 37921
Phone
(865) 523-4704
Enumerated
Apr 10, 2017
Record last updated
Mar 11, 2024
Medicaid ID
Q042438 TN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 5310 Ball Camp Pike

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emili Alexander, MSCCounselor1740919679
  2. Anna AllisonCase Manager/Care Coordinator1982278743
  3. Matthew AndersonAddiction (Substance Use Disorder) Counselor1467140814
  4. Kimberleigh AnsariCase Manager/Care Coordinator1649787276
  5. Shera AtterberrySocial Worker1457841827
  6. Kaitlyn BarkerRegistered Nurse1497633317

Verify Ryan Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 3603
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024

71 Medicare Part D claims for 25 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.

  1. Ryan Alexander71
  2. Specialty average664

Most prescribed

  1. Buprenorphine-Naloxone38 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.

Addiction Medicine (Family Medicine) Physician providers in Tennessee

There are 34 addiction medicine (family medicine) physician records in Tennessee.

Other addiction medicine (family medicine) physician records in Tennessee

  1. Hunter Allen, CMAChattanooga, TN1528998291
  2. Terrence Alley, MDNashville, TN1023002086
  3. James Appleton, MDJackson, TN1114981560
  4. Julia Ball, MSN, FNP-BCKnoxville, TN1336615871
  5. Drew Blackstock, MDBartlett, TN1841532819
  6. Ashley Brewer, MDJackson, TN1417086547
  7. Matthew Caffrey, MD/MPHJohnson City, TN1336330596
  8. Kevin Catney, MDMorristown, TN1073569695
  9. Kimberly Collins, M.D.Antioch, TN1033343728
  10. Sharon Duke, D.O.Morristown, TN1982630091

Common questions

What is Ryan Alexander, DO, MPH's NPI number?

Ryan Alexander, DO, MPH's National Provider Identifier (NPI) is 1346773082, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Alexander, DO, MPH located?

The NPPES record lists a practice address at 5310 Ball Camp Pike, Knoxville, TN, 37921. Phone: (865) 523-4704. Providers update this record themselves, so call before visiting.

How can I verify Ryan Alexander, DO, MPH's license?

NPPES lists Tennessee license number 3603, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ryan Alexander, DO, MPH prescribe under Medicare Part D?

In 2024, Ryan Alexander, DO, MPH had 71 Medicare Part D claims for 25 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.