Collin T. Dela Houssaye
Infectious Disease Physician · Mount Vernon, WA
Collin T. Dela Houssaye is an infectious disease physician with a practice address in Mount Vernon, Washington, and NPI 1285044917, issued on May 2, 2014. Check the license (Washington OP60947586, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Collin T. Dela Houssaye
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- OP60947586 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Kincaid St, Mount Vernon, WA 98274
- Phone
- (360) 848-4150
- Enumerated
- May 2, 2014
- Record last updated
- Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (360) 848-4169
- Medicare enrollment
- Enrolled (PECOS I20190906000143); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 263 in Washington → Look up another NPI →
Also registered at 1400 E Kincaid St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marshall Anderson, MDOccupational Medicine Physician1417942038
- George Ang, MDEndocrinology, Diabetes & Metabolism Physician1396737326
- Melissa Ashby, MDFamily Medicine Physician1245226646
Verify Collin T. Dela Houssaye in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60947586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average infectious disease physician in 2024
190 Medicare Part D claims for 57 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Cefazolin Sodium17 claims
- Daptomycin15 claims
- Ceftriaxone14 claims
- Doxycycline Hyclate13 claims
- Cefadroxil12 claims
- Cefepime Hcl12 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
- Public Hospital Dist NO 1 SkagitMount Vernon, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Collin T. Dela Houssaye among 263 infectious disease physician records in Washington
Collin T. Dela Houssaye is one of 263 infectious disease physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2014 · median 2005 among the 175 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Washington
There are 263 infectious disease physician records in Washington.
All 263 in Washington → Every provider in Mount Vernon → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Mary Bavaro, MDMount Vernon, WA 982741508837329
- Madonna Biritwum, M.D.Mount Vernon, WA 982741295975779
- Rehman Ukani, M.DMount Vernon, WA 982741700272564
- Mark Wallace, MDMount Vernon, WA 982741982683603
- Joseph Herman, M.D.Bremerton, WA 983101558358531
- Kristin Lee, MDBremerton, WA 983101023071370
- Ronald Quenzer, MDBremerton, WA 983101891755815
- Claire Beiser, M.D.Bellingham, WA 982251184682809
Common questions
What is Collin T. Dela Houssaye's NPI number?
Collin T. Dela Houssaye's National Provider Identifier (NPI) is 1285044917, issued on May 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Collin T. Dela Houssaye located?
The NPPES record lists a practice address at 1400 E Kincaid St, Mount Vernon, WA, 98274. Phone: (360) 848-4150. Providers update this record themselves, so call before visiting.
How can I verify Collin T. Dela Houssaye's license?
NPPES lists Washington license number OP60947586, 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 Collin T. Dela Houssaye prescribe under Medicare Part D?
In 2024, Collin T. Dela Houssaye had 190 Medicare Part D claims for 57 beneficiaries; the average among infectious disease physician prescribers was 689. 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.