John Carlsen, P.A.
Medical Physician Assistant · Knoxville, TN
John Carlsen, P.A. is a medical physician assistant with a practice address in Knoxville, Tennessee, and NPI 1114970209, issued on May 18, 2006. Check the license (Tennessee 3495, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Carlsen
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- 3495 TN
001584 CT
Self-reported in NPPES; status is on the state search - Practice location
- 9125 Cross Park Dr Ste 200, Knoxville, TN 37923
- Phone
- (865) 632-5900
- Enumerated
- May 18, 2006
- Record last updated
- Aug 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (865) 374-2129
- Medicaid ID
- Q047734 TN
- Medicare enrollment
- Enrolled (PECOS I20190515003072); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 616 in Tennessee → Look up another NPI →
Also registered at 9125 Cross Park Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Foutch, FNPFamily Nurse Practitioner1588352389
- David Graham, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1962606822
- Ashley Greene, PA-CPhysician Assistant1811916612
- Jacob GriffithPhysician Assistant1023553872
Verify John Carlsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 3495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average medical physician assistant in 2024
174 Medicare Part D claims for 42 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Metoprolol Tartrate27 claims
- Furosemide16 claims
- Naloxone Hcl16 claims
- Oxycodone Hcl16 claims
- Potassium Chloride14 claims
- Tramadol Hcl14 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
- East Tennessee Cardiovascular Surgery Group PCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Carlsen among 616 medical physician assistant records in Tennessee
John Carlsen, P.A. is one of 616 medical physician assistant records with a practice address in Tennessee. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2015 among the 369 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Tennessee
There are 616 medical physician assistant records in Tennessee.
All 616 in Tennessee → Every provider in Knoxville → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Sarah Brown, PA-CKnoxville, TN 379231255910295
- Madison Dyar, PA-CKnoxville, TN 379231083310007
- Ronald FlowersKnoxville, TN 379231720365893
- Cayce Fry, PA-CKnoxville, TN 379231790586626
- Olivia Guthrie, PAKnoxville, TN 379231285973362
- Stephanie Howard, PA-CKnoxville, TN 379231083903306
- Debra Howard, PA-CKnoxville, TN 379231164942355
- Madison Johnson, PA-CKnoxville, TN 379231356277578
Common questions
What is John Carlsen, P.A.'s NPI number?
John Carlsen, P.A.'s National Provider Identifier (NPI) is 1114970209, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Carlsen, P.A. located?
The NPPES record lists a practice address at 9125 Cross Park Dr Ste 200, Knoxville, TN, 37923. Phone: (865) 632-5900. Providers update this record themselves, so call before visiting.
How can I verify John Carlsen, P.A.'s license?
NPPES lists Tennessee license number 3495, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does John Carlsen, P.A. prescribe under Medicare Part D?
In 2024, John Carlsen, P.A. had 174 Medicare Part D claims for 42 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.