Carla R. Ainsworth, MD
Family Medicine Physician · Seattle, WA
Carla R. Ainsworth, MD is a family medicine physician with a practice address in Seattle, Washington, and NPI 1780662908, issued on Jan 6, 2006. Check the license (Washington MD00041622, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Carla R. Ainsworth
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00041622 WA
Self-reported in NPPES; status is on the state search - Practice location
- 306 23RD Ave S Ste 200, Seattle, WA 98144
- Phone
- (206) 518-9058
- Enumerated
- Jan 6, 2006
- Record last updated
- Oct 4, 2023
- Medicaid ID
- 8360943 WA
- Medicare enrollment
- Enrolled (PECOS I20050503000102); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 306 23RD Ave S Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carla R. Ainsworth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00041622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average family medicine physician in 2024
1,510 Medicare Part D claims for 285 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium137 claims
- Amlodipine Besylate100 claims
- Lisinopril93 claims
- Metoprolol Succinate60 claims
- Levothyroxine Sodium59 claims
- Losartan Potassium57 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
- Kaiser Foundation Health Plan OF WashingtonSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carla R. Ainsworth among 5,534 family medicine physician records in Washington
Carla R. Ainsworth, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2009 among the 3,294 with a school on file
- Record last updated2023 · 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).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Tuoc Do, M.D.Seattle, WA 981441871643676
- Christopher Gaynor, MDSeattle, WA 981441023085495
- Ari Gilmore, M.D.Seattle, WA 981441750544532
- Ellen Lackerman, M.D.Seattle, WA 981441710976485
- Adriana Lungu, MDSeattle, WA 981441033141544
- Theresa Maresca, MDSeattle, WA 981441932177664
- Kenneth Mayeda, M.D.Seattle, WA 981441770519217
- David Nguyen, MDSeattle, WA 981441700822103
Common questions
What is Carla R. Ainsworth, MD's NPI number?
Carla R. Ainsworth, MD's National Provider Identifier (NPI) is 1780662908, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carla R. Ainsworth, MD located?
The NPPES record lists a practice address at 306 23RD Ave S Ste 200, Seattle, WA, 98144. Phone: (206) 518-9058. Providers update this record themselves, so call before visiting.
How can I verify Carla R. Ainsworth, MD's license?
NPPES lists Washington license number MD00041622, 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 Carla R. Ainsworth, MD prescribe under Medicare Part D?
In 2024, Carla R. Ainsworth, MD had 1,510 Medicare Part D claims for 285 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.