Regan C. Christenson, APN
Psychiatric/Mental Health Nurse Practitioner · Knoxville, TN
Regan C. Christenson, APN is a psychiatric/mental health nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1548491798, issued on Aug 6, 2009. Check the license (Tennessee 16542, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Regan C. Christenson
- Credential
- APN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 16542 TN
RN170951 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2018 Western Ave, Knoxville, TN 37921
- Phone
- (865) 544-0406
- Enumerated
- Aug 6, 2009
- Record last updated
- Sep 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (865) 544-0480
- Medicare enrollment
- Enrolled (PECOS I20120723000564); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,611 in Tennessee → Look up another NPI →
Also registered at 2018 Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manal Abbas, PHLEBOTOMISTPhlebotomy Technician1801457866
- Melinda Adams, R.N.Registered Nurse1134667785
- Magon Adams Shirley, PSY.D.Student in an Organized Health Care Education/Training Program1518356021
- Pamela Adkins, CNANurse's Aide1780422253
- Deborah Allen, M.D.Internal Medicine Physician1942237474
- Mykenzi Allison, MAStudent in an Organized Health Care Education/Training Program1427948710
Verify Regan C. Christenson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 16542Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
778 Medicare Part D claims for 63 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Gabapentin65 claims
- Clonazepam63 claims
- Bupropion Xl50 claims
- Fluoxetine Hcl49 claims
- Trazodone Hcl40 claims
- Escitalopram Oxalate37 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: $1,057.06
60 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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
- Sutherland Psychiatry PLLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Regan C. Christenson among 1,611 psychiatric/mental health nurse practitioner records in Tennessee
Regan C. Christenson, APN is one of 1,611 psychiatric/mental health nurse practitioner records with a practice address in Tennessee. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 15% of them.
- NPI issued2009 · 15% of these records are older, 82% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2011 · median 2020 among the 929 with a school on file
- Record last updated2018 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 psychiatric/mental health nurse practitioner records list a practice address in Knoxville
They are 184 of the 14,339 NPPES records with a practice address in Knoxville, and 1,611 psychiatric/mental health nurse practitioner records in Tennessee.
All 1,611 in Tennessee → Every provider in Knoxville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Sarah Bannister, APNKnoxville, TN 379211700178258
- Van Blackaby, PMHNP-BCKnoxville, TN 379211205272010
- Jennifer Darby, APRNKnoxville, TN 379211518104397
- Michael Garey, APRNKnoxville, TN 379211366967622
- Ingrid Gurney, REGISTERED NURSEKnoxville, TN 379211518991298
- Tara LundyKnoxville, TN 379211477115749
- Justin Mynatt, PMHNP-BCKnoxville, TN 379211215371299
- Jennifer Phillips, PMHNP-BCKnoxville, TN 379211962775403
Common questions
What is Regan C. Christenson, APN's NPI number?
Regan C. Christenson, APN's National Provider Identifier (NPI) is 1548491798, issued on Aug 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Regan C. Christenson, APN located?
The NPPES record lists a practice address at 2018 Western Ave, Knoxville, TN, 37921. Phone: (865) 544-0406. Providers update this record themselves, so call before visiting.
How can I verify Regan C. Christenson, APN's license?
NPPES lists Tennessee license number 16542, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Regan C. Christenson, APN prescribe under Medicare Part D?
In 2024, Regan C. Christenson, APN had 778 Medicare Part D claims for 63 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.