NPPES file of Aug 9, 2026

Eric C. Chenworth, DO

Allergy & Immunology Physician · Riverton, UT

Eric C. Chenworth, DO is an allergy & immunology physician with a practice address in Riverton, Utah, and NPI 1700859907, issued on Feb 8, 2006. Check the license (Utah 7666176-1204, as entered in NPPES) on the Utah Medical Licensing Board; 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
1700859907
Name
Eric C. Chenworth
Credential
DO
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License numbers
7666176-1204 UT
46865 CO
Self-reported in NPPES; status is on the state search
Practice location
13348 S Market Center Dr, Riverton, UT 84065
Phone
(385) 290-1289
Enumerated
Feb 8, 2006
Record last updated
May 29, 2024
Fax
(385) 290-1290
Medicaid ID
32024738 CO
Medicare enrollment
Enrolled (PECOS I20100707000304); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2002
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 13348 S Market Center Dr

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

  1. Bret Cummings, DPTPhysical Therapist1518514561
  2. Cicely Fabiano, DPTPhysical Therapist1013791912
  3. Steven Harmon, DOFamily Medicine Physician1891057212
  4. Travis McDonald, MDSports Medicine (Family Medicine) Physician1558634915
  5. Jennifer Oleskowicz, RN, APRNNurse Practitioner1053015735

Verify Eric C. Chenworth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 7666176-1204
    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 Utah license search

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94% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

46 Medicare Part D claims for 14 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Eric Chenworth46
  2. Specialty average741

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.

Eric C. Chenworth among 29 allergy & immunology physician records in Utah

Eric C. Chenworth, DO is one of 29 allergy & immunology physician records with a practice address in Utah. 76% 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 28% of them.

  • NPI issued2006 · 28% of these records are older, 55% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2002 · median 2009 among the 19 with a school on file
  • Record last updated2024 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Utah

There are 29 allergy & immunology physician records in Utah.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. C Taylor, M.D.Riverton, UT 840651508811167
  2. Justin Babbel, DOOrem, UT 840571922531003
  3. Tammy Jacobs, M.D.Orem, UT 840571538397518
  4. Alexander Nicholson, MDWest Jordan, UT 840881497188197
  5. Jennifer Bunker, PA-CLayton, UT 840411114354834
  6. Andrew Smith, MDSandy, UT 840931164468955
  7. Huyen-Tran Nguyen, M.D.Sandy, UT 840941841586278
  8. Alan Bitner, M.D.Salt Lake City, UT 841021972505212

Common questions

What is Eric C. Chenworth, DO's NPI number?

Eric C. Chenworth, DO's National Provider Identifier (NPI) is 1700859907, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric C. Chenworth, DO located?

The NPPES record lists a practice address at 13348 S Market Center Dr, Riverton, UT, 84065. Phone: (385) 290-1289. Providers update this record themselves, so call before visiting.

How can I verify Eric C. Chenworth, DO's license?

NPPES lists Utah license number 7666176-1204, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eric C. Chenworth, DO prescribe under Medicare Part D?

In 2024, Eric C. Chenworth, DO had 46 Medicare Part D claims for 14 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.