Carolyn Houk, M.D.
Internal Medicine Physician · Seattle, WA
Carolyn Houk, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1437105335, issued on May 25, 2006. Check the license (Washington MD60565101, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Carolyn Houk
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD60565101 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2505 2ND Ave Ste 200, Seattle, WA 98121
- Phone
- (206) 520-5000
- Enumerated
- May 25, 2006
- Record last updated
- Mar 26, 2025
- Medicaid ID
- 1437105335 WA
- Medicare enrollment
- Enrolled (PECOS I20150819007416); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2505 2ND Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Anibarro, O.D.Optometrist1043257660
- Kimberly Butorac, LSWAICClinical Social Worker1104475409
- Krysta Byrnes, RNFamily Nurse Practitioner1073027942
- Adrienne Clark, M.D.Internal Medicine Physician1821364142
- Harshita Gaba, MDStudent in an Organized Health Care Education/Training Program1528815255
- Adam Jayne-Jensen, MDInternal Medicine Physician1265721666
Verify Carolyn Houk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60565101Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
6,148 Medicare Part D claims for 350 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 100 claims were for opioids.
Most prescribed
- Atorvastatin Calcium460 claims
- Amlodipine Besylate309 claims
- Levothyroxine Sodium296 claims
- Omeprazole191 claims
- Losartan Potassium184 claims
- Lisinopril172 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansKent, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carolyn Houk among 3,079 internal medicine physician records in Washington
Carolyn Houk, M.D. 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 fileYes · 60% of these records are
- Graduated1995 · median 2006 among the 1,852 with a school on file
- Record last updated2025 · 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).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Camitta, MDSeattle, WA 981211821199969
- Adrienne Clark, M.D.Seattle, WA 981211821364142
- Victor Collymore, M.D.Seattle, WA 981211881751196
- Christopher Elias, MDSeattle, WA 981211699609263
- Cynthia FerrucciSeattle, WA 981211487739280
- Philip HummelSeattle, WA 981211366527178
- Adam Jayne-Jensen, MDSeattle, WA 981211265721666
- Sue Masten, M.D.Seattle, WA 981211225377369
Common questions
What is Carolyn Houk, M.D.'s NPI number?
Carolyn Houk, M.D.'s National Provider Identifier (NPI) is 1437105335, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Houk, M.D. located?
The NPPES record lists a practice address at 2505 2ND Ave Ste 200, Seattle, WA, 98121. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Houk, M.D.'s license?
NPPES lists Washington license number MD60565101, 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 Carolyn Houk, M.D. prescribe under Medicare Part D?
In 2024, Carolyn Houk, M.D. had 6,148 Medicare Part D claims for 350 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Carolyn Houk, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.