NPPES file of Aug 9, 2026

Caryn T. Addonizio, NP

Psychiatric/Mental Health Nurse Practitioner · Knoxville, TN

Caryn T. Addonizio, NP is a psychiatric/mental health nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1396988358, issued on Apr 7, 2009. Check the license (Tennessee RN0000095103, as entered in NPPES) with the Tennessee board that licenses this profession; 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
1396988358
Name
Caryn T. Addonizio
Credential
NP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN0000095103 TN
Self-reported in NPPES; status is on the state search
Practice location
205 W Springdale Ave, Knoxville, TN 37917
Phone
(865) 637-9711
Enumerated
Apr 7, 2009
Record last updated
Mar 8, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090511000379); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 205 W Springdale Ave

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

  1. Spencer AldenCase Manager/Care Coordinator1497413207
  2. Joel AlexanderCase Manager/Care Coordinator1770306003
  3. Julia Allison, BSSWSocial Worker1013526573
  4. Chris Bailey, BA PSYCHOLOGYCase Manager/Care Coordinator1588235998
  5. Austin Bartlett, BSWCase Manager/Care Coordinator1770320483
  6. Kristen Beasley, BSCase Manager/Care Coordinator1306429691

Verify Caryn T. Addonizio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license RN0000095103
    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
Find the Tennessee license search

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79% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

193 Medicare Part D claims for 59 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Caryn Addonizio193
  2. Specialty average906

Most prescribed

  1. Hydroxyzine Pamoate17 claims
  2. Quetiapine Fumarate16 claims
  3. Mirtazapine13 claims
  4. Risperidone12 claims
  5. Trazodone Hcl12 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: $121.82

1 payment: food and beverage; the largest payer was Axsome Therapeutics, 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.

  1. Caryn Addonizio$121.82
  2. Specialty average$1,027.77

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

  1. Knoxville Center For Behavioral Medicine LLCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other psychiatric/mental health nurse practitioner records in Tennessee

  1. Bailey Abbott, MSN, RN, PMHNP-BCChattanooga, TN1386577161
  2. Marqueta Abraham, DNP, PMHNP-BCBolivar, TN1447641634
  3. Robin Adam, APRNSmyrna, TN1194289165
  4. Alexandria Adams, PMHNPGoodlettsville, TN1164272845
  5. Cynthia Adams, PMHNP-BCKnoxville, TN1881368090
  6. Kevin Adams, RN, APNCamden, TN1235416744
  7. Oshjehni Adams, NPMemphis, TN1467159525
  8. Rodney Adams, RN, MSN, APNPNashville, TN1164404315
  9. Susan Adams, APRN, BCBrentwood, TN1386729689
  10. Adebayo Adeeko, APRNCleveland, TN1972421253

Common questions

What is Caryn T. Addonizio, NP's NPI number?

Caryn T. Addonizio, NP's National Provider Identifier (NPI) is 1396988358, issued on Apr 7, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Caryn T. Addonizio, NP located?

The NPPES record lists a practice address at 205 W Springdale Ave, Knoxville, TN, 37917. Phone: (865) 637-9711. Providers update this record themselves, so call before visiting.

How can I verify Caryn T. Addonizio, NP's license?

NPPES lists Tennessee license number RN0000095103, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Caryn T. Addonizio, NP prescribe under Medicare Part D?

In 2024, Caryn T. Addonizio, NP had 193 Medicare Part D claims for 59 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.