Harry Seung-Shik Ko, DO
Family Medicine Physician · Oroville, CA
Harry Seung-Shik Ko, DO is a family medicine physician with a practice address in Oroville, California, and NPI 1578678728, issued on Aug 20, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harry Seung-Shik Ko
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5605 AK
Self-reported in NPPES; status is on the state search - Practice location
- 2145 5TH Ave, Oroville, CA 95965
- Phone
- (530) 534-5394
- Enumerated
- Aug 20, 2006
- Record last updated
- May 18, 2026
- Fax
- (530) 533-1113
- Medicaid ID
- MD9958 AK
- Medicare enrollment
- Enrolled (PECOS I20050816001293); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2145 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debra Adamiak, RNRegistered Nurse1003124249
- Tahir Anwar, D.O.Family Medicine Physician1497095707
- Micaela Assam, FNPNurse Practitioner1326773946
- Melody Barbara, ASWCounselor1841481470
- Sherry BeldenCase Manager/Care Coordinator1225229859
- Maranda BrownMental Health Counselor1891363784
Verify Harry Seung-Shik Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Feather River Tribal Health IncOroville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harry Seung-Shik Ko among 17,133 family medicine physician records in California
Harry Seung-Shik Ko, DO is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family medicine physician records list a practice address in Oroville
They are 15 of the 916 NPPES records with a practice address in Oroville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Oroville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Tahir Anwar, D.O.Oroville, CA 959651497095707
- Jarett Beaudoin, MDOroville, CA 959651003377615
- Mark Heinrich, DOOroville, CA 959651063467751
- Lijun Sakal, MDOroville, CA 959651225017551
- Melinda Skau, M.D.Oroville, CA 959651992803969
- Dylan WoodmanseeOroville, CA 959651699654996
- Sultan Chopan, MDOroville, CA 959661285637744
- Timothy Huber, M.D.Oroville, CA 959661073515920
Common questions
What is Harry Seung-Shik Ko, DO's NPI number?
Harry Seung-Shik Ko, DO's National Provider Identifier (NPI) is 1578678728, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry Seung-Shik Ko, DO located?
The NPPES record lists a practice address at 2145 5TH Ave, Oroville, CA, 95965. Phone: (530) 534-5394. Providers update this record themselves, so call before visiting.
How can I verify Harry Seung-Shik Ko, DO's license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.