Caroline Guirguis, DO
Family Medicine Physician · Seatac, WA
Caroline Guirguis, DO is a family medicine physician with a practice address in Seatac, Washington, and NPI 1548835622, issued on May 21, 2021. Check the license (Washington OP61564642, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Caroline Guirguis
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OP61564642 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4040 S 188TH St Ste 201, Seatac, WA 98188
- Phone
- (206) 277-7200
- Enumerated
- May 21, 2021
- Record last updated
- Jan 22, 2025
- Fax
- (206) 277-7202
- Medicare enrollment
- Enrolled (PECOS I20240712003117); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 4040 S 188TH St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Caroline Guirguis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61564642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
228 Medicare Part D claims for 61 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Levothyroxine Sodium12 claims
- Hydrochlorothiazide11 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.
Bills Medicare through one group practice
- HealthpointSeatac, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline Guirguis among 5,534 family medicine physician records in Washington
Caroline Guirguis, DO is one of 5,534 family medicine physician records with a practice address in Washington. 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2009 among the 3,294 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Seatac
They are 18 of the 216 NPPES records with a practice address in Seatac, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seatac → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Molly Anderson, M.D.Seatac, WA 981881275776080
- Anastasia Collins, DOTukwila, WA 981881285098848
- Nikhil Desai, D.O.Seatac, WA 981881265837181
- Sara Fleming, MDSeatac, WA 981881245224609
- Rolando Fulgencio, NDTukwila, WA 981881366810889
- Sabrina Hart, MDSeatac, WA 981881285795823
- Lamya KhourySeatac, WA 981881881081644
- Hong Danh Ngo, DOTukwila, WA 981881821491838
Common questions
What is Caroline Guirguis, DO's NPI number?
Caroline Guirguis, DO's National Provider Identifier (NPI) is 1548835622, issued on May 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Guirguis, DO located?
The NPPES record lists a practice address at 4040 S 188TH St Ste 201, Seatac, WA, 98188. Phone: (206) 277-7200. Providers update this record themselves, so call before visiting.
How can I verify Caroline Guirguis, DO's license?
NPPES lists Washington license number OP61564642, 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 Caroline Guirguis, DO prescribe under Medicare Part D?
In 2024, Caroline Guirguis, DO had 228 Medicare Part D claims for 61 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.