NPPES file of Aug 9, 2026

Roger Chaloner Knakal, M.D.

Physical Medicine & Rehabilitation Physician · Colchester, VT

Roger Chaloner Knakal, M.D. is a physical medicine & rehabilitation physician with a practice address in Colchester, Vermont, and NPI 1003849191, issued on Jul 9, 2006. Check the license (Vermont 0420010039, 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
1003849191
Name
Roger Chaloner Knakal
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
0420010039 VT
Self-reported in NPPES; status is on the state search
Practice location
790 College Pkwy, Colchester, VT 05446
Phone
(802) 847-6900
Enumerated
Jul 9, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(802) 847-8899
Medicare enrollment
Enrolled (PECOS I20081229000355); accepts Medicare assignment
Medical or professional school
New York Medical College, 1990
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 790 College Pkwy

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

  1. Judy Aber, PTPhysical Therapist1134329980
  2. Julie Adams, PT, DPTPhysical Therapist1386751527
  3. Elizabeth BackhausPhysical Therapist1639824691
  4. Mary Basiliere, BS PTPhysical Therapist1427143791
  5. Michele Bates, OTOccupational Therapist1760533947
  6. Elaine Belanger, P.T.Physical Therapist1669581633

Verify Roger Chaloner Knakal 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 0420010039
    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.

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

53% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

344 Medicare Part D claims for 119 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 26 claims were for opioids.

  1. Roger Knakal344
  2. Specialty average727

Most prescribed

  1. Duloxetine Hcl24 claims
  2. Gabapentin22 claims
  3. Atorvastatin Calcium19 claims
  4. Oxycodone Hcl14 claims
  5. Eliquis13 claims
  6. Methocarbamol13 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. 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).

Roger Chaloner Knakal among 20 physical medicine & rehabilitation physician records in Vermont

Roger Chaloner Knakal, M.D. is one of 20 physical medicine & rehabilitation physician records with a practice address in Vermont. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 50% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1990 · median 1999 among the 10 with a school on file
  • Record last updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Vermont

There are 20 physical medicine & rehabilitation physician records in Vermont.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Jessica Johnson, M.D.Colchester, VT 054461639464076
  2. Carol Talley, M.D.Colchester, VT 054461750315446
  3. Chad Volk, DPTBristol, VT 054431053692954
  4. Leslie Davis, PT, DPTSaint Albans, VT 054781255850319
  5. Barbara Kloppenburg, PTBurlington, VT 054081114150315
  6. Mallory Hillman, DPTBurlington, VT 054011578193777
  7. Donna Nimec, MDBurlington, VT 054011720050396
  8. Daniel Olmschenk, DPTMontpelier, VT 056021700458080

Common questions

What is Roger Chaloner Knakal, M.D.'s NPI number?

Roger Chaloner Knakal, M.D.'s National Provider Identifier (NPI) is 1003849191, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roger Chaloner Knakal, M.D. located?

The NPPES record lists a practice address at 790 College Pkwy, Colchester, VT, 05446. Phone: (802) 847-6900. Providers update this record themselves, so call before visiting.

How can I verify Roger Chaloner Knakal, M.D.'s license?

NPPES lists Vermont license number 0420010039, 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 Roger Chaloner Knakal, M.D. prescribe under Medicare Part D?

In 2024, Roger Chaloner Knakal, M.D. had 344 Medicare Part D claims for 119 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.