NPPES file of Aug 9, 2026

Katherine Miller, PA-C

Physician Assistant · Oak Ridge, TN

Katherine Miller, PA-C is a physician assistant with a practice address in Oak Ridge, Tennessee, and NPI 1407433519, issued on Mar 25, 2021. Check the license (Tennessee 4530, 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
1407433519
Name
Katherine Miller
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
4530 TN
Self-reported in NPPES; status is on the state search
Practice location
800 Oak Ridge Tpke Ste A402, Oak Ridge, TN 37830
Phone
(865) 637-8812
Enumerated
Mar 25, 2021
Record last updated
Nov 10, 2025
Fax
(865) 824-4886
Medicare enrollment
Enrolled (PECOS I20210525000236); 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.
Download card Updates feed

Also registered at 800 Oak Ridge Tpke Ste A402

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

  1. Lorina Wilhelm, N.P.Family Nurse Practitioner1750706081

Verify Katherine Miller 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 4530
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.8 times the Medicare Part D claims of the average physician assistant in 2024

2,309 Medicare Part D claims for 165 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 26 claims were for opioids.

  1. Katherine Miller2,309
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium132 claims
  2. Lisinopril96 claims
  3. Levothyroxine Sodium87 claims
  4. Omeprazole86 claims
  5. Amlodipine Besylate64 claims
  6. Hydrochlorothiazide53 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: $729.57

38 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Miller$729.57
  2. Specialty average$841.65

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. Endocrinology Consultants OF East TNKnoxville, TN

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

Katherine Miller among 3,055 physician assistant records in Tennessee

Katherine Miller, PA-C is one of 3,055 physician assistant 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 2021, is newer than 60% of them.

  • NPI issued2021 · 60% of these records are older, 33% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2019 among the 2,030 with a school on file
  • Record last updated2025 · 30% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 physician assistant records list a practice address in Oak Ridge

They are 38 of the 904 NPPES records with a practice address in Oak Ridge, and 3,055 physician assistant records in Tennessee.

The 8 physician assistant records with the nearest ZIP codes

  1. Angela Adkisson, PAOak Ridge, TN 378301598851602
  2. Davina Blazer, PA-COak Ridge, TN 378301598733958
  3. Robert Cummings, P.A.-C.Oak Ridge, TN 378301306887971
  4. David Drum, PA-COak Ridge, TN 378301942286935
  5. Kimberly Dymond, PACOak Ridge, TN 378301649263419
  6. Terry Hallwachs, PAOak Ridge, TN 378301962448860
  7. Joel Hayes, PA-COak Ridge, TN 378301427486018
  8. Rebecca Layton, PA-COak Ridge, TN 378301386979573

Common questions

What is Katherine Miller, PA-C's NPI number?

Katherine Miller, PA-C's National Provider Identifier (NPI) is 1407433519, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Miller, PA-C located?

The NPPES record lists a practice address at 800 Oak Ridge Tpke Ste A402, Oak Ridge, TN, 37830. Phone: (865) 637-8812. Providers update this record themselves, so call before visiting.

How can I verify Katherine Miller, PA-C's license?

NPPES lists Tennessee license number 4530, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Miller, PA-C prescribe under Medicare Part D?

In 2024, Katherine Miller, PA-C had 2,309 Medicare Part D claims for 165 beneficiaries; the average among physician assistant prescribers was 830. 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.