Robert McKnight, MD
Internal Medicine Physician · Mukilteo, WA
Robert McKnight, MD is an internal medicine physician with a practice address in Mukilteo, Washington, and NPI 1841268349, issued on Mar 9, 2006. Check the license (Washington 21754, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert McKnight
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21754 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4410 106TH St SW, Mukilteo, WA 98275
- Phone
- (425) 493-6001
- Enumerated
- Mar 9, 2006
- Record last updated
- Dec 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 1020305 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 4410 106TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert McKnight in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 21754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,608 Medicare Part D claims for 337 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 86 claims were for opioids.
Most prescribed
- Atorvastatin Calcium286 claims
- Levothyroxine Sodium187 claims
- Amlodipine Besylate147 claims
- Simvastatin116 claims
- Tamsulosin Hcl112 claims
- Lisinopril103 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.
Robert McKnight among 3,079 internal medicine physician records in Washington
Robert McKnight, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 63% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Mukilteo
They are 7 of the 430 NPPES records with a practice address in Mukilteo, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Mukilteo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eileen Delacruz, MDMukilteo, WA 982751538137435
- Khaled Elghonemy, MDMukilteo, WA 982751063790665
- Bradley Fankhauser, MDMukilteo, WA 982751922269489
- Catherine HawkinsMukilteo, WA 982751023086139
- Teresa Murphy, MDMukilteo, WA 982751457454654
- Rajasri Palepu, MDMukilteo, WA 982751568644607
- David Abraham, DOMount Vernon, WA 982741215565692
- Rhandy Ceballos, DOMount Vernon, WA 982741518595412
Common questions
What is Robert McKnight, MD's NPI number?
Robert McKnight, MD's National Provider Identifier (NPI) is 1841268349, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert McKnight, MD located?
The NPPES record lists a practice address at 4410 106TH St SW, Mukilteo, WA, 98275. Phone: (425) 493-6001. Providers update this record themselves, so call before visiting.
How can I verify Robert McKnight, MD's license?
NPPES lists Washington license number 21754, 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 Robert McKnight, MD prescribe under Medicare Part D?
In 2024, Robert McKnight, MD had 3,608 Medicare Part D claims for 337 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.