Jeffrey Gray Williams, M.D.
Emergency Medicine Physician · Medford, OR
Jeffrey Gray Williams, M.D. is an emergency medicine physician with a practice address in Medford, Oregon, and NPI 1477603454, issued on Jan 11, 2007. Check the license (Oregon MD16924, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Gray Williams
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD16924 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Delta Waters RD, Medford, OR 97504
- Phone
- (541) 858-2515
- Enumerated
- Jan 11, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (541) 858-2514
- Medicare enrollment
- Enrolled (PECOS I20100505000469); accepts Medicare assignment
- Medical or professional school
- Brody School Of Medicine At East Carolina University, 1983
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 1600 Delta Waters RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Berlingeri, PAPhysician Assistant1023147451
- Micheline Cavallacci, PA-CPhysician Assistant1235113994
- Peter Gray, PA-CPhysician Assistant1528037397
- Allen Hayter, PA-CPhysician Assistant1982731618
- Robert Hoffner, PA-CPhysician Assistant1366699803
- Mona McArdle, M.D.Emergency Medicine Physician1972656395
Verify Jeffrey Gray Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD16924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average emergency medicine physician in 2024
59 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 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.
Industry payments in 2024: $30.10
1 payment: food and beverage; the largest payer was Genzyme Corporation. The 12,335 providers of this specialty with any payment received $953.79 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
- Valley Immediate Care, LLCMedford, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Gray Williams among 1,079 emergency medicine physician records in Oregon
Jeffrey Gray Williams, M.D. is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1983 · median 2013 among the 557 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 emergency medicine physician records list a practice address in Medford
They are 54 of the 4,542 NPPES records with a practice address in Medford, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Medford → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kenneth Brown, M.D.Medford, OR 975041457570178
- Joshua Cott, MDMedford, OR 975041629051669
- Ronald Crowell, MDMedford, OR 975041689705220
- Robert Evans, MDMedford, OR 975041730134404
- Eileen Killackey-Bobek, MDMedford, OR 975041710016811
- Gary Marks, DOMedford, OR 975041861569212
- Mona McArdle, M.D.Medford, OR 975041972656395
- Julie Phillips, MDMedford, OR 975041316074446
Common questions
What is Jeffrey Gray Williams, M.D.'s NPI number?
Jeffrey Gray Williams, M.D.'s National Provider Identifier (NPI) is 1477603454, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Gray Williams, M.D. located?
The NPPES record lists a practice address at 1600 Delta Waters RD, Medford, OR, 97504. Phone: (541) 858-2515. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Gray Williams, M.D.'s license?
NPPES lists Oregon license number MD16924, 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 Jeffrey Gray Williams, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Gray Williams, M.D. had 59 Medicare Part D claims for 36 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.