Lydia S. Park, D.O.
Internal Medicine Physician · Vancouver, WA
Lydia S. Park, D.O. is an internal medicine physician with a practice address in Vancouver, Washington, and NPI 1871886531, issued on May 27, 2011. Check the license (Washington OP61202686, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Lydia S. Park
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OP61202686 WA
278095 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2529 NE 139TH St Ste 110, Vancouver, WA 98686
- Phone
- (360) 882-2778
- Enumerated
- May 27, 2011
- Record last updated
- Mar 2, 2023
- Medicaid ID
- 2201200 WA
- Medicare enrollment
- Enrolled (PECOS I20211220000616); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2529 NE 139TH St Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elaine Marie Ballar, PAPhysician Assistant1295181121
- Joshua Colley, PA-CPhysician Assistant1417347915
- Rosemarie KadowFamily Nurse Practitioner1710447966
- Eileen O'Sullivan, MB BCH BAOEmergency Medicine Physician1538504519
- Paige RogersPhysician Assistant1093328494
- Todd SkenandoreFamily Nurse Practitioner1013680370
Verify Lydia S. Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61202686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
329 Medicare Part D claims for 230 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Doxycycline Hyclate38 claims
- Mupirocin23 claims
- Cephalexin19 claims
- Amoxicillin-Clavulanate Potass18 claims
- Nystatin18 claims
- Prednisone17 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
- 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).
Lydia S. Park among 3,079 internal medicine physician records in Washington
Lydia S. Park, 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 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2011 · median 2006 among the 1,852 with a school on file
- Record last updated2023 · 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
- Lisa Alberts, M.D.Vancouver, WA 986861144289125
- Robert Davis, MDVancouver, WA 986861033187679
- Guillermo Gow-Lee, M.D.Vancouver, WA 986861700994324
- Mike Lin, MDVancouver, WA 986861558474569
- Vivek Murari, MDVancouver, WA 986861487642591
- Kalpana Narapasetty, M.DVancouver, WA 986861548465149
- Vu Ngo, M.D.Vancouver, WA 986861982717682
- Tatiana Peterson, MDVancouver, WA 986861114070455
Common questions
What is Lydia S. Park, D.O.'s NPI number?
Lydia S. Park, D.O.'s National Provider Identifier (NPI) is 1871886531, issued on May 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lydia S. Park, D.O. located?
The NPPES record lists a practice address at 2529 NE 139TH St Ste 110, Vancouver, WA, 98686. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.
How can I verify Lydia S. Park, D.O.'s license?
NPPES lists Washington license number OP61202686, 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 Lydia S. Park, D.O. prescribe under Medicare Part D?
In 2024, Lydia S. Park, D.O. had 329 Medicare Part D claims for 230 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.