Derrick Lai, D.O.
Internal Medicine Physician · Vancouver, WA
Derrick Lai, D.O. is an internal medicine physician with a practice address in Vancouver, Washington, and NPI 1477759355, issued on Jun 26, 2007. Check the license (Washington OP60153066, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Derrick Lai
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OP60153066 WA
Self-reported in NPPES; status is on the state search - Practice location
- 700 NE 87TH Ave, Vancouver, WA 98664
- Phone
- (360) 882-2778
- Enumerated
- Jun 26, 2007
- Record last updated
- Aug 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (360) 604-1767
- Medicare enrollment
- Enrolled (PECOS I20100813000589); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 700 NE 87TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Adkison, DNP-FNPFamily Nurse Practitioner1043160500
- Kirstie Anderson, D.P.T.Physical Therapist1023486396
- Lauren Andronici, CNMAdvanced Practice Midwife1356396709
- Susan Arnold-Edgar, PA-CPhysician Assistant1023057817
- Vincent Au, M.D.Internal Medicine Physician1104112051
- Jennifer Austin, MDPediatrics Physician1326087503
Verify Derrick Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60153066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
132 Medicare Part D claims for 65 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
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
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derrick Lai among 3,079 internal medicine physician records in Washington
Derrick Lai, D.O. 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2006 among the 1,852 with a school on file
- Record last updated2018 · 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).
200 internal medicine physician records list a practice address in Vancouver
They are 200 of the 10,772 NPPES records with a practice address in Vancouver, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Vancouver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ayesha Akhter, MDVancouver, WA 986641134174469
- Frances Ch'En, MDVancouver, WA 986641891734018
- Sarah Chang, MDVancouver, WA 986641679528970
- Alexander Chow, MDVancouver, WA 986641902852502
- Sharon Crowell, MDVancouver, WA 986641154377679
- Kenneth Favour, M.D.Vancouver, WA 986641104873231
- Gregory Hallas, M.D.Vancouver, WA 986641508813684
- Daniel Highkin, MDVancouver, WA 986641689629636
Common questions
What is Derrick Lai, D.O.'s NPI number?
Derrick Lai, D.O.'s National Provider Identifier (NPI) is 1477759355, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Derrick Lai, D.O. located?
The NPPES record lists a practice address at 700 NE 87TH Ave, Vancouver, WA, 98664. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.
How can I verify Derrick Lai, D.O.'s license?
NPPES lists Washington license number OP60153066, 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 Derrick Lai, D.O. prescribe under Medicare Part D?
In 2024, Derrick Lai, D.O. had 132 Medicare Part D claims for 65 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.