Grant Norman Ko, M.D.
Psychiatry Physician · Port Orchard, WA
Grant Norman Ko, M.D. is a psychiatry physician with a practice address in Port Orchard, Washington, and NPI 1275657454, issued on Mar 16, 2007. Check the license (Washington MD00024074, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Grant Norman Ko
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD00024074 WA
G49179 CA
PT 12664 ND
25MA06989400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Pottery Ave, Port Orchard, WA 98366
- Phone
- (360) 895-5000
- Enumerated
- Mar 16, 2007
- Record last updated
- Sep 23, 2022
- Fax
- (360) 895-5034
- Medicaid ID
- 17852 ND
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at 1400 Pottery Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Bloise, MDFamily Medicine Physician1699859660
- John BrewerPharmacist1588702948
- Gregory Cain, MDPediatrics Physician1154395085
- Meghan Clark, ARNPAdult Health Nurse Practitioner1427684968
- Derek Costa, M.D.Family Medicine Physician1215082359
Verify Grant Norman Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00024074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
45 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Grant Norman Ko among 1,195 psychiatry physician records in Washington
Grant Norman Ko, M.D. is one of 1,195 psychiatry physician records with a practice address in Washington. 61% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 40% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2022 · 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 2084P0800X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Washington
There are 1,195 psychiatry physician records in Washington.
All 1,195 in Washington → Every provider in Port Orchard → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ann Bruce, MDPort Orchard, WA 983661225143670
- Andrew Owen, D.O.Port Orchard, WA 983661689029720
- Michael Pearson, M.D.Port Orchard, WA 983671902939242
- Kari Heistand, M.D.Port Townsend, WA 983681043301930
- Michael Burke, M.D.Poulsbo, WA 983701376612861
- Mark Eisenstadt, MDPort Angeles, WA 983621528196482
- Leah Fegan, M.D.Port Angeles, WA 983621639412315
- Joshua Jones, M.D.Port Angeles, WA 983621548361009
Common questions
What is Grant Norman Ko, M.D.'s NPI number?
Grant Norman Ko, M.D.'s National Provider Identifier (NPI) is 1275657454, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Grant Norman Ko, M.D. located?
The NPPES record lists a practice address at 1400 Pottery Ave, Port Orchard, WA, 98366. Phone: (360) 895-5000. Providers update this record themselves, so call before visiting.
How can I verify Grant Norman Ko, M.D.'s license?
NPPES lists Washington license number MD00024074, 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 Grant Norman Ko, M.D. prescribe under Medicare Part D?
In 2024, Grant Norman Ko, M.D. had 45 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.