NPPES file of Aug 9, 2026

Katie Casas Miller, M.D.

Internal Medicine Physician · Middlebury, VT

Katie Casas Miller, M.D. is an internal medicine physician with a practice address in Middlebury, Vermont, and NPI 1154681013, issued on May 24, 2012. Check the license (Vermont 0420013146, as entered in NPPES) on the Vermont Board of Medical Practice; 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
1154681013
Name
Katie Casas Miller
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
0420013146 VT
Self-reported in NPPES; status is on the state search
Practice location
1330 Exchange St Ste 201, Middlebury, VT 05753
Phone
(802) 388-1500
Enumerated
May 24, 2012
Record last updated
Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150610000715); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 2012
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 1330 Exchange St Ste 201

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

  1. Benjamin Bearnot, MDInternal Medicine Physician1346688975
  2. Eileen Doherty Fuller, MDFamily Medicine Physician1679551071
  3. Laura Murphy, M.D.Pediatrics Physician1003857756
  4. Lena Wasmus, APRNFamily Nurse Practitioner1912301193
  5. Peter Wilhelm, MDFamily Medicine Physician1518127224

Verify Katie Casas Miller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVermont Board of Medical Practice
    Search for license 0420013146
    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 Vermont 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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53% more Medicare Part D claims than the average internal medicine physician in 2024

4,870 Medicare Part D claims for 468 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 112 claims were for opioids.

  1. Katie Miller4,870
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium324 claims
  2. Losartan Potassium251 claims
  3. Lisinopril221 claims
  4. Amlodipine Besylate201 claims
  5. Levothyroxine Sodium192 claims
  6. Rosuvastatin Calcium139 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.

Bills Medicare through one group practice

  1. Middlebury Family HealthMiddlebury, VT

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

Katie Casas Miller among 326 internal medicine physician records in Vermont

Katie Casas Miller, M.D. is one of 326 internal medicine physician records with a practice address in Vermont. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.

  • NPI issued2012 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2012 · median 2007 among the 177 with a school on file
  • Record last updated2020 · 71% 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 Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Middlebury

They are 11 of the 423 NPPES records with a practice address in Middlebury, and 326 internal medicine physician records in Vermont.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bradford Armstrong, MDMiddlebury, VT 057531841289394
  2. Dragos Banu, M.D.Middlebury, VT 057531558659367
  3. Benjamin Bearnot, MDMiddlebury, VT 057531346688975
  4. Alan Covey, MDMiddlebury, VT 057531679562128
  5. Gretchen Gaida Michaels, M.D.Middlebury, VT 057531457326142
  6. Emily Gaukler, M.D.Middlebury, VT 057531992064281
  7. Zabi Hayati, MDMiddlebury, VT 057531558926097
  8. Benjamin Johnson, D.O.Middlebury, VT 057531699111237

Common questions

What is Katie Casas Miller, M.D.'s NPI number?

Katie Casas Miller, M.D.'s National Provider Identifier (NPI) is 1154681013, issued on May 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Katie Casas Miller, M.D. located?

The NPPES record lists a practice address at 1330 Exchange St Ste 201, Middlebury, VT, 05753. Phone: (802) 388-1500. Providers update this record themselves, so call before visiting.

How can I verify Katie Casas Miller, M.D.'s license?

NPPES lists Vermont license number 0420013146, as entered by the provider. Search the Vermont Board of Medical Practice at https://www.healthvermont.gov/systems/board-medical-practice. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katie Casas Miller, M.D. prescribe under Medicare Part D?

In 2024, Katie Casas Miller, M.D. had 4,870 Medicare Part D claims for 468 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.