Registry data as of Aug 27, 2026

Alyssa Larson, DNP, FNP - C

Psychiatric/Mental Health Nurse Practitioner · Chattanooga, TN

Alyssa Larson, DNP, FNP - C is a psychiatric/mental health nurse practitioner with a practice address in Chattanooga, Tennessee, and NPI 1225667447, issued on Apr 8, 2020. Check the license (Tennessee 27453, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225667447
Name
Alyssa Larson
Credential
DNP, FNP - C
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
27453 TN
APRN11012216 FL
Self-reported in NPPES; status is on the state search
Practice location
207 Spears Ave, Chattanooga, TN 37405
Phone
(423) 756-7644
Enumerated
Apr 8, 2020
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.
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Also registered at 207 Spears Ave

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

  1. Taylor Blackwell, APNAcute Care Nurse Practitioner1407425135
  2. Martha McCallie, MSSWClinical Social Worker1477757920
  3. Kelsey RiversAddiction (Substance Use Disorder) Counselor1235410010
  4. John Standridge, M.D.Addiction Medicine (Family Medicine) Physician1568494284
  5. Donna Teal, APN, RNC, CRNPAdult Health Nurse Practitioner1811018773
  6. Tiffany Thomas, FNP-CFamily Nurse Practitioner1457051559

Verify Alyssa Larson 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 27453
    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

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

94% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

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

  1. Alyssa Larson50
  2. Specialty average906

Most prescribed

  1. Lamotrigine11 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: $36.21

2 payments, mostly food and beverage; the largest payer was Abbvie 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. Alyssa Larson$36.21
  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.

85 psychiatric/mental health nurse practitioner records list a practice address in Chattanooga

They are 85 of the 7,377 NPPES records with a practice address in Chattanooga, 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. Caryn Addonizio, NPKnoxville, TN1396988358

Common questions

What is Alyssa Larson, DNP, FNP - C's NPI number?

Alyssa Larson, DNP, FNP - C's National Provider Identifier (NPI) is 1225667447, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Larson, DNP, FNP - C located?

The NPPES record lists a practice address at 207 Spears Ave, Chattanooga, TN, 37405. Phone: (423) 756-7644. Providers update this record themselves, so call before visiting.

How can I verify Alyssa Larson, DNP, FNP - C's license?

NPPES lists Tennessee license number 27453, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Alyssa Larson, DNP, FNP - C prescribe under Medicare Part D?

In 2024, Alyssa Larson, DNP, FNP - C had 50 Medicare Part D claims; 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), loaded Aug 27, 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) 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 27, 2026.