Norman Gregory Hamilton, M.D.
Psychiatry Physician · Portland, OR
Norman Gregory Hamilton, M.D. is a psychiatry physician with a practice address in Portland, Oregon, and NPI 1104963016, issued on Jan 31, 2007. Check the license (Oregon MD13603, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Norman Gregory Hamilton
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD13603 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2250 NW Flanders St Ste 306, Portland, OR 97210
- Phone
- (503) 276-1293
- Enumerated
- Jan 31, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 764 in Oregon → Look up another NPI →
Also registered at 2250 NW Flanders St Ste 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynne Bissonnette, M.D.,PH.D.Psychiatry Physician1962625996
Verify Norman Gregory Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD13603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
58 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Alprazolam13 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.
Norman Gregory Hamilton among 764 psychiatry physician records in Oregon
Norman Gregory Hamilton, M.D. is one of 764 psychiatry physician records with a practice address in Oregon. 59% 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, 42% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2007 · 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 2084P0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Oregon
There are 764 psychiatry physician records in Oregon.
All 764 in Oregon → Every provider in Portland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sarah Behel, MDPortland, OR 972101023099918
- Svetlana Bonner, M.D.Portland, OR 972101417037359
- George Drinka, M.D.Portland, OR 972101710089826
- Anne Fleming, MDPortland, OR 972101336165331
- Robert Geistwhite, MDPortland, OR 972101780755884
- Chen-Wen Heh, M.D.Portland, OR 972101467449629
- Scott Murray, MDPortland, OR 972101063504397
- James PowersPortland, OR 972101245301944
Common questions
What is Norman Gregory Hamilton, M.D.'s NPI number?
Norman Gregory Hamilton, M.D.'s National Provider Identifier (NPI) is 1104963016, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Norman Gregory Hamilton, M.D. located?
The NPPES record lists a practice address at 2250 NW Flanders St Ste 306, Portland, OR, 97210. Phone: (503) 276-1293. Providers update this record themselves, so call before visiting.
How can I verify Norman Gregory Hamilton, M.D.'s license?
NPPES lists Oregon license number MD13603, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Norman Gregory Hamilton, M.D. prescribe under Medicare Part D?
In 2024, Norman Gregory Hamilton, M.D. had 58 Medicare Part D claims for 11 beneficiaries; 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.