NPPES file of Aug 9, 2026

Seth W. Frenzen, MD

Orthopaedic Surgery Physician · S Burlington, VT

Seth W. Frenzen, MD is an orthopaedic surgery physician with a practice address in S Burlington, Vermont, and NPI 1538112982, issued on May 18, 2006. Check the license (Vermont 0600002836, 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
1538112982
Name
Seth W. Frenzen
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
0600002836 VT
42-0011428 VT
Self-reported in NPPES; status is on the state search
Practice location
6 San Remo Dr., S Burlington, VT 05401
Phone
(802) 862-3983
Enumerated
May 18, 2006
Record last updated
Mar 21, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20071029000507); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2001
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 6 San Remo Dr.

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

  1. Carol Blattspieler, NPNurse Practitioner1720012388
  2. Stephanie Burch, PA-CPhysician Assistant1780650689
  3. Douglas Campbell, MDOrthopaedic Surgery Physician1114951092
  4. Sara Child, PA-CSurgical Physician Assistant1891086518
  5. Andrew Kaplan, MDOrthopaedic Surgery Physician1053341420
  6. John Lawlis, MDOrthopaedic Surgery Physician1942231345

Verify Seth W. Frenzen 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 0600002836
    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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94% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

20 Medicare Part D claims for 17 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.

  1. Seth Frenzen20
  2. Specialty average346

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. University OF Vermont Medical Center IncBurlington, VT

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

5 orthopaedic surgery physician records list a practice address in S Burlington

They are 5 of the 38 NPPES records with a practice address in S Burlington, and 52 orthopaedic surgery physician records in Vermont.

Other orthopaedic surgery physician records in Vermont

  1. Jeremy AboladeBurlington, VT1275281552
  2. Nicholas Antell, M.D.Morrisville, VT1639495823
  3. Jacques Archambault, MDSt Albans, VT1871543090
  4. David AronsonBurlington, VT1194735241
  5. Brian Aros, M.D.Morrisville, VT1669577805
  6. Christian Bean, M.D.Berlin, VT1831155324
  7. Robert Beattie, M.D.Saint Albans, VT1922177575
  8. Michel Benoit, M.D. FRCS (C)Burlington, VT1275558801
  9. Eric Benz, M.D.Middlebury, VT1912995648
  10. Melbourne Boynton, M.D.Rutland, VT1821083650

Common questions

What is Seth W. Frenzen, MD's NPI number?

Seth W. Frenzen, MD's National Provider Identifier (NPI) is 1538112982, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Seth W. Frenzen, MD located?

The NPPES record lists a practice address at 6 San Remo Dr., S Burlington, VT, 05401. Phone: (802) 862-3983. Providers update this record themselves, so call before visiting.

How can I verify Seth W. Frenzen, MD's license?

NPPES lists Vermont license number 0600002836, 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 Seth W. Frenzen, MD prescribe under Medicare Part D?

In 2024, Seth W. Frenzen, MD had 20 Medicare Part D claims for 17 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.