Ross Vyhmeister, M.D.
Gastroenterology Physician · Portland, OR
Ross Vyhmeister, M.D. is a gastroenterology physician with a practice address in Portland, Oregon, and NPI 1912357187, issued on Jun 17, 2016. Check the license (Oregon MD192209, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ross Vyhmeister
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD192209 OR
MD61306864 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9701 SW Barnes RD Ste 300, Portland, OR 97225
- Phone
- (503) 297-8081
- Enumerated
- Jun 17, 2016
- Record last updated
- Nov 19, 2024
- Fax
- (503) 292-6601
- Medicaid IDs
- 500765901 OR
2137312 WA - Medicare enrollment
- Enrolled (PECOS I20221201002191); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 9701 SW Barnes RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adnan Ahmad, PHYSICIAN ASSISTANTPhysician Assistant1417788183
- Deron Amador, M.D.Gastroenterology Physician1841653490
- Manisha Apte, M.D.Gastroenterology Physician1851745129
- Leslie Brenton, RD LDRegistered Dietitian1417730367
- Michael Chew, MD, MSGastroenterology Physician1487912697
- Jennifer ChingRegistered Dietitian1003698192
Verify Ross Vyhmeister in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD192209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average gastroenterology physician in 2024
380 Medicare Part D claims for 234 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Ondansetron Odt111 claims
- Omeprazole53 claims
- Sutab36 claims
- Gavilyte-G26 claims
- Peg-3350 And Electrolytes20 claims
- Gavilyte-C16 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.
Bills Medicare through one group practice
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ross Vyhmeister among 281 gastroenterology physician records in Oregon
Ross Vyhmeister, M.D. 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 2016, is newer than 91% of them.
- NPI issued2016 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2003 among the 201 with a school on file
- Record last updated2024 · 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 Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Christopher Carter, MDPortland, OR 972251003814799
- Glenn Eisen, MDPortland, OR 972251295741759
- David Grunkemeier, MDPortland, OR 972251972542090
- Larry Heinonen, MDPortland, OR 972251669478343
- John Jendrzejewski, MDPortland, OR 972251225034911
- Alan Kaynard, MDPortland, OR 972251356347991
- George Koval, MDPortland, OR 972251093711715
- John Lobitz, MDPortland, OR 972251851397558
Common questions
What is Ross Vyhmeister, M.D.'s NPI number?
Ross Vyhmeister, M.D.'s National Provider Identifier (NPI) is 1912357187, issued on Jun 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ross Vyhmeister, M.D. located?
The NPPES record lists a practice address at 9701 SW Barnes RD Ste 300, Portland, OR, 97225. Phone: (503) 297-8081. Providers update this record themselves, so call before visiting.
How can I verify Ross Vyhmeister, M.D.'s license?
NPPES lists Oregon license number MD192209, 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 Ross Vyhmeister, M.D. prescribe under Medicare Part D?
In 2024, Ross Vyhmeister, M.D. had 380 Medicare Part D claims for 234 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.