Peter S. Kay, MD
Gastroenterology Physician · Springfield, OR
Peter S. Kay, MD is a gastroenterology physician with a practice address in Springfield, Oregon, and NPI 1710906177, issued on Jul 18, 2006. Check the license (Oregon MD20376, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Peter S. Kay
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD20376 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3355 Riverbend Dr, Springfield, OR 97477
- Phone
- (541) 868-9500
- Enumerated
- Jul 18, 2006
- Record last updated
- Dec 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (541) 685-5920
- Medicaid ID
- 150075 OR
- Medicare enrollment
- Enrolled (PECOS I20100525000604); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 3355 Riverbend Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet Adee, RDRegistered Dietitian1376886143
- Khuram Ameen, M.D.Pulmonary Disease Physician1881600450
- Keith Balderston, MDMaternal & Fetal Medicine Physician1871525337
- Sara Batya, M.D.Neurology Physician1801084116
- Robert Carolan, M.D.Pulmonary Disease Physician1578570719
- Craig Chamberlain, MDGastroenterology Physician1598784928
Verify Peter S. Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD20376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,763 Medicare Part D claims for 753 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Peg 3350-Electrolyte386 claims
- Pantoprazole Sodium289 claims
- Omeprazole121 claims
- Sod Sulf-Potass Sulf-Mag Sulf93 claims
- Mesalamine61 claims
- Famotidine57 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: $311.74
11 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Eugene Gastroenterology Consultants PCSpringfield, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter S. Kay among 281 gastroenterology physician records in Oregon
Peter S. Kay, MD is one of 281 gastroenterology physician records with a practice address in Oregon. 79% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1991 · median 2003 among the 201 with a school on file
- Record last updated2008 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Springfield → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Craig Chamberlain, MDSpringfield, OR 974771598784928
- Ryan De Lee, MDSpringfield, OR 974771104920693
- Paul Evans, M.D.Springfield, OR 974771962480871
- Jonathan Gonenne, MDSpringfield, OR 974771649299538
- Peter Grubel, MDSpringfield, OR 974771376531335
- Gregory Knecht, MDSpringfield, OR 974771598785578
- Christianne Kratka, MDSpringfield, OR 974771851310130
- Shane Mills, MDSpringfield, OR 974771699747055
Common questions
What is Peter S. Kay, MD's NPI number?
Peter S. Kay, MD's National Provider Identifier (NPI) is 1710906177, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter S. Kay, MD located?
The NPPES record lists a practice address at 3355 Riverbend Dr, Springfield, OR, 97477. Phone: (541) 868-9500. Providers update this record themselves, so call before visiting.
How can I verify Peter S. Kay, MD's license?
NPPES lists Oregon license number MD20376, 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 Peter S. Kay, MD prescribe under Medicare Part D?
In 2024, Peter S. Kay, MD had 1,763 Medicare Part D claims for 753 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.