NPPES file of Aug 9, 2026

Cynthia Ackerman Knutson, MD

Dermatology Physician · Renton, WA

Cynthia Ackerman Knutson, MD is a dermatology physician with a practice address in Renton, Washington, and NPI 1306863030, issued on Jul 17, 2006. Check the license (Washington MD60661694, as entered in NPPES) on the Washington Medical Commission; 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
1306863030
Name
Cynthia Ackerman Knutson
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
MD60661694 WA
20368 AZ
Self-reported in NPPES; status is on the state search
Practice location
660 SW 39TH St Ste 150, Renton, WA 98057
Phone
(425) 690-3483
Enumerated
Jul 17, 2006
Record last updated
Sep 5, 2023
Fax
(425) 690-9083
Medicaid IDs
2074044 WA
395021 AZ
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 660 SW 39TH St Ste 150

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

  1. Laura Denman, CNMAdvanced Practice Midwife1861430597
  2. Michelle Farber, CNMAdvanced Practice Midwife1982025870
  3. Maiah Hall, CNM, ARNPAdvanced Practice Midwife1871274100
  4. Elizabeth Kijima, ARNPFamily Nurse Practitioner1790055929
  5. Kevin LukDermatology Physician1205323243
  6. Alison Merritt, CNM, WHNP-BCAdvanced Practice Midwife1619335726

Verify Cynthia Ackerman Knutson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60661694
    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 Washington license search

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74% fewer Medicare Part D claims than the average dermatology physician in 2024

207 Medicare Part D claims for 122 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Cynthia Knutson207
  2. Specialty average797

Most prescribed

  1. Mupirocin63 claims
  2. Metronidazole28 claims
  3. Triamcinolone Acetonide28 claims
  4. Ketoconazole23 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.

Cynthia Ackerman Knutson among 384 dermatology physician records in Washington

Cynthia Ackerman Knutson, MD is one of 384 dermatology physician records with a practice address in Washington. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Washington

There are 384 dermatology physician records in Washington.

The 8 dermatology physician records with the nearest ZIP codes

  1. Young Choi, MDRenton, WA 980571043604325
  2. Nicole Kageyama, M.D.Renton, WA 980571407858665
  3. Brian Kumasaka, MDRenton, WA 980571801971262
  4. Kevin LukRenton, WA 980571205323243
  5. Ellendee Pepper, MDRenton, WA 980571861577223
  6. Jodie Sasaki, M.D., M.S.Renton, WA 980571902251457
  7. Laura Walsh, MD, PHDRenton, WA 980571043715006
  8. Zixiao WangRenton, WA 980571821533993

Common questions

What is Cynthia Ackerman Knutson, MD's NPI number?

Cynthia Ackerman Knutson, MD's National Provider Identifier (NPI) is 1306863030, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Ackerman Knutson, MD located?

The NPPES record lists a practice address at 660 SW 39TH St Ste 150, Renton, WA, 98057. Phone: (425) 690-3483. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Ackerman Knutson, MD's license?

NPPES lists Washington license number MD60661694, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cynthia Ackerman Knutson, MD prescribe under Medicare Part D?

In 2024, Cynthia Ackerman Knutson, MD had 207 Medicare Part D claims for 122 beneficiaries; the average among dermatology physician prescribers was 797. 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.