NPPES file of Aug 9, 2026

Kristin Ariana O'Connor

Internal Medicine Physician · Knoxville, TN

Kristin Ariana O'Connor is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1144725102, issued on Mar 29, 2018. Check the license (Tennessee 64032, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144725102
Name
Kristin Ariana O'Connor
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
64032 TN
Self-reported in NPPES; status is on the state search
Practice location
1932 Alcoa Hwy Ste 570, Knoxville, TN 37920
Phone
(865) 305-6500
Enumerated
Mar 29, 2018
Record last updated
Jan 31, 2022
Fax
(865) 305-6509
Medicare enrollment
Enrolled (PECOS I20210909002357); 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 1932 Alcoa Hwy Ste 570

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

  1. Patrick Buczynski, M.D.Internal Medicine Physician1154697514
  2. Juli Williams, M.D.Internal Medicine Physician1205855699
  3. Camden Winzenburg, DOInternal Medicine Physician1750968590

Verify Kristin Ariana O'Connor 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 64032
    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.

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90% more Medicare Part D claims than the average internal medicine physician in 2024

6,028 Medicare Part D claims for 369 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 153 claims were for opioids.

  1. Kristin O'Connor6,028
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium468 claims
  2. Atorvastatin Calcium333 claims
  3. Rosuvastatin Calcium293 claims
  4. Amlodipine Besylate240 claims
  5. Alprazolam183 claims
  6. Omeprazole178 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.

The MIPS final score for 2023 (Medicare payment program): 95.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $144.50

8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kristin O'Connor$144.50
  2. Specialty average$1,303.06

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. Uhs Primary Care LLCKnoxville, TN

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

Kristin Ariana O'Connor among 2,596 internal medicine physician records in Tennessee

Kristin Ariana O'Connor is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.

  • NPI issued2018 · 86% of these records are older, 12% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2018 · median 2003 among the 1,705 with a school on file
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

237 internal medicine physician records list a practice address in Knoxville

They are 237 of the 14,339 NPPES records with a practice address in Knoxville, and 2,596 internal medicine physician records in Tennessee.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Monte Biggs, M.D.Knoxville, TN 379201073611943
  2. John Cooper, M.D.Knoxville, TN 379201063510931
  3. Courtney George, MDKnoxville, TN 379201730287764
  4. Douglas Hembree, M.D.Knoxville, TN 379201427156397
  5. Rocio Huet, M.D.Knoxville, TN 379201073555041
  6. Sara Juarez, M.D.Knoxville, TN 379201932119351
  7. Hussein Kammona, MDKnoxville, TN 379201114023447
  8. Jeffry King, M.D.Knoxville, TN 379201700865540

Common questions

What is Kristin Ariana O'Connor's NPI number?

Kristin Ariana O'Connor's National Provider Identifier (NPI) is 1144725102, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kristin Ariana O'Connor located?

The NPPES record lists a practice address at 1932 Alcoa Hwy Ste 570, Knoxville, TN, 37920. Phone: (865) 305-6500. Providers update this record themselves, so call before visiting.

How can I verify Kristin Ariana O'Connor's license?

NPPES lists Tennessee license number 64032, 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 Kristin Ariana O'Connor prescribe under Medicare Part D?

In 2024, Kristin Ariana O'Connor had 6,028 Medicare Part D claims for 369 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Kristin Ariana O'Connor's MIPS final score?

The 2023 MIPS final score is 95.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.