NPPES file of Aug 9, 2026

Cathryn Erickson, DO

Internal Medicine Physician · Ketchum, ID

Cathryn Erickson, DO is an internal medicine physician with a practice address in Ketchum, Idaho, and NPI 1134506256, issued on Apr 27, 2015. Check the license (Idaho O-1252, as entered in NPPES) on the Idaho Board of Medicine; 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
1134506256
Name
Cathryn Erickson
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
O-1252 ID
Self-reported in NPPES; status is on the state search
Practice location
380 Washington Ave, Ketchum, ID 83340
Phone
(208) 291-1985
Enumerated
Apr 27, 2015
Record last updated
Jan 5, 2023
Fax
(208) 203-9490
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 380 Washington Ave

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

  1. Kara Maxwell, L.ACAcupuncturist1316744360
  2. Kimberly Vorse, MDSleep Medicine (Internal Medicine) Physician1043242613

Verify Cathryn Erickson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license O-1252
    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 Idaho license search

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82% fewer Medicare Part D claims than the average internal medicine physician in 2024

569 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Cathryn Erickson569
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium38 claims
  2. Eliquis22 claims
  3. Levothyroxine Sodium22 claims
  4. Trazodone Hcl19 claims
  5. Zolpidem Tartrate19 claims
  6. Rosuvastatin Calcium18 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.

Cathryn Erickson among 453 internal medicine physician records in Idaho

Cathryn Erickson, DO is one of 453 internal medicine physician records with a practice address in Idaho. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 62% of them.

  • NPI issued2015 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2023 · 44% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 internal medicine physician records list a practice address in Ketchum

They are 6 of the 161 NPPES records with a practice address in Ketchum, and 453 internal medicine physician records in Idaho.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ricardo Delgado, M.D.Ketchum, ID 833401952358251
  2. Dan Fairman, MDKetchum, ID 833401023059250
  3. Robert Hall, M.D.Ketchum, ID 833401699718791
  4. Randall Hermann, MDKetchum, ID 833401619034188
  5. Royal McClure, MDKetchum, ID 833401093768368
  6. Nichole Shumway, DORupert, ID 833501386263796
  7. Tyson Steel, D.O.Rupert, ID 833501750709796
  8. Samantha Marshall, MDWendell, ID 833551467410837

Common questions

What is Cathryn Erickson, DO's NPI number?

Cathryn Erickson, DO's National Provider Identifier (NPI) is 1134506256, issued on Apr 27, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Cathryn Erickson, DO located?

The NPPES record lists a practice address at 380 Washington Ave, Ketchum, ID, 83340. Phone: (208) 291-1985. Providers update this record themselves, so call before visiting.

How can I verify Cathryn Erickson, DO's license?

NPPES lists Idaho license number O-1252, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cathryn Erickson, DO prescribe under Medicare Part D?

In 2024, Cathryn Erickson, DO had 569 Medicare Part D claims for 51 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.