Philip D. Williams, M.D.
Psychiatry Physician · Springfield, OR
Philip D. Williams, M.D. is a psychiatry physician with a practice address in Springfield, Oregon, and NPI 1417990045, issued on Jun 13, 2006. Check the license (Oregon 165948, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Philip D. Williams
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 165948 OR
C55255 CA
047277 CT
23771 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1435 G St, Springfield, OR 97477
- Phone
- (541) 735-9420
- Enumerated
- Jun 13, 2006
- Record last updated
- Nov 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (541) 747-9870
- Medicare enrollment
- Enrolled (PECOS I20150831002502); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 764 in Oregon → Look up another NPI →
Also registered at 1435 G St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Allard, PA-CPhysician Assistant1396320396
- Miranda Barlow, DNP, FNPFamily Nurse Practitioner1588042030
- Joseph Beal, MA, QMHP-R, CADC-RMental Health Counselor1942886403
- Crystal Bruce, QMHA-RMental Health Counselor1073251856
- Sebastian BrunningMedical Physician Assistant1205453420
- Ashley Bryson, MDFamily Medicine Physician1356704159
Verify Philip D. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 165948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average psychiatry physician in 2024
1,283 Medicare Part D claims for 60 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Lamotrigine132 claims
- Quetiapine Fumarate94 claims
- Risperidone87 claims
- Propranolol Hcl83 claims
- Prazosin Hcl81 claims
- Olanzapine60 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.
Industry payments in 2024: $50.41
2 payments; by number, the most common kind was education; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- G Street Integrated HealthSpringfield, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip D. Williams among 764 psychiatry physician records in Oregon
Philip D. Williams, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 57% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1998 · median 2009 among the 300 with a school on file
- Record last updated2020 · 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 Springfield → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jason Jarria, MDSpringfield, OR 974771639798333
- Priscilla Park, MDSpringfield, OR 974771518094507
- Howard Sampley, M.D.Springfield, OR 974771902873011
- James Sanchez, MDSpringfield, OR 974771083651855
- Stephanie SpurgatSpringfield, OR 974771912402900
- Peter Davidson, MDRoseburg, OR 974711417043522
- Kourosh Mehrazar, MDRoseburg, OR 974711972168219
- Scott Mendelson, MDRoseburg, OR 974711053336024
Common questions
What is Philip D. Williams, M.D.'s NPI number?
Philip D. Williams, M.D.'s National Provider Identifier (NPI) is 1417990045, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip D. Williams, M.D. located?
The NPPES record lists a practice address at 1435 G St, Springfield, OR, 97477. Phone: (541) 735-9420. Providers update this record themselves, so call before visiting.
How can I verify Philip D. Williams, M.D.'s license?
NPPES lists Oregon license number 165948, 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 Philip D. Williams, M.D. prescribe under Medicare Part D?
In 2024, Philip D. Williams, M.D. had 1,283 Medicare Part D claims for 60 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.