NPPES file of Aug 9, 2026

Karen Dyan Impson, DO

Pediatrics Physician · Wasilla, AK

Karen Dyan Impson, DO is a pediatrics physician with a practice address in Wasilla, Alaska, and NPI 1427167113, issued on Aug 29, 2006. Check the license (Alaska 4300, as entered in NPPES) on the Alaska State Medical 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
1427167113
Name
Karen Dyan Impson
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License number
4300 AK
Self-reported in NPPES; status is on the state search
Practice location
3719 E Meridian Loop, Wasilla, AK 99654
Phone
(907) 373-7337
Enumerated
Aug 29, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(907) 357-9029
Medicaid ID
MD10661 AK
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 3719 E Meridian Loop

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

  1. Heather Erickson, O.D.Optometrist1669511200
  2. Loetta Horswill-Woods, DOInternal Medicine Physician1164479374

Verify Karen Dyan Impson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlaska State Medical Board
    Search for license 4300
    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 Alaska license search

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Industry payments in 2024: $47.10

2 payments; by number, the most common kind was food and beverage; the largest payer was Acadia Pharmaceuticals Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Impson$47.10
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pediatrics Physician providers in Alaska

There are 167 pediatrics physician records in Alaska.

Other pediatrics physician records in Alaska

  1. Janet Alexander, MDAnchorage, AK1235239005
  2. Mary Anderson, M.D.Anchorage, AK1912385840
  3. Sandi Angevine, M.D.Anchorage, AK1548488455
  4. Corneliu Antonescu, M.D.Fairbanks, AK1356316863
  5. Jessica Arasmith, MDAnchorage, AK1821296799
  6. Letha Archer, M.DFairbanks, AK1699774299
  7. Jesse Atwood, MDPalmer, AK1700894664
  8. Stephen Baker, M.D.Anchorage, AK1043296098
  9. Chelsea BanksAnchorage, AK1609371210
  10. Jessica Barry, MDPalmer, AK1750888772

Common questions

What is Karen Dyan Impson, DO's NPI number?

Karen Dyan Impson, DO's National Provider Identifier (NPI) is 1427167113, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Dyan Impson, DO located?

The NPPES record lists a practice address at 3719 E Meridian Loop, Wasilla, AK, 99654. Phone: (907) 373-7337. Providers update this record themselves, so call before visiting.

How can I verify Karen Dyan Impson, DO's license?

NPPES lists Alaska license number 4300, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.