Robert W. Davis, MD
Internal Medicine Physician · Corvallis, OR
Robert W. Davis, MD is an internal medicine physician with a practice address in Corvallis, Oregon, and NPI 1629481452, issued on Jun 10, 2014. Check the license (Oregon MD203828, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert W. Davis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD203828 OR
289595 NY
Self-reported in NPPES; status is on the state search - Practice location
- 441 NW Elks Dr Ste 100, Corvallis, OR 97330
- Phone
- (541) 768-4950
- Enumerated
- Jun 10, 2014
- Record last updated
- Aug 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20210719003225); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 441 NW Elks Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Holly Almond, NPNurse Practitioner1649233503
- Raed Benkhadra, MDMedical Oncology Physician1255837746
- Audrey Drake, NPFamily Nurse Practitioner1093547291
- Karen Salinas, RNRegistered Nurse1508718404
- Sharyn Shepherd, FNPFamily Nurse Practitioner1629591987
- Herschel Wallen, M.D.Medical Oncology Physician1710924451
Verify Robert W. Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD203828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,888 Medicare Part D claims for 300 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 210 claims were for opioids.
Most prescribed
- Letrozole124 claims
- Tamoxifen Citrate115 claims
- Eliquis104 claims
- Prednisone80 claims
- Abiraterone Acetate71 claims
- Oxycodone Hcl66 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,480.28
62 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Good Samaritan Hospital CorvallisCorvallis, OR
- Mid-Valley Healthcare IncLebanon, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert W. Davis among 2,116 internal medicine physician records in Oregon
Robert W. Davis, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2008 among the 1,232 with a school on file
- Record last updated2023 · 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 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
129 internal medicine physician records list a practice address in Corvallis
They are 129 of the 4,096 NPPES records with a practice address in Corvallis, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Corvallis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Athay, M.D.Corvallis, OR 973301477502375
- Lynn Bentson, M.D, MACPCorvallis, OR 973301619916483
- Charlene Carroll, M.D.Corvallis, OR 973301275577769
- Brian Curtis, M.D.Corvallis, OR 973301245289115
- Ulrike Guempel, M.D.Corvallis, OR 973301912956897
- Kien Huynh, M.D.Corvallis, OR 973301619918034
- Janel Lawrence, M.D.Corvallis, OR 973301184673998
- Libor Pavlosek, M.D.Corvallis, OR 973301376510420
Common questions
What is Robert W. Davis, MD's NPI number?
Robert W. Davis, MD's National Provider Identifier (NPI) is 1629481452, issued on Jun 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Davis, MD located?
The NPPES record lists a practice address at 441 NW Elks Dr Ste 100, Corvallis, OR, 97330. Phone: (541) 768-4950. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Davis, MD's license?
NPPES lists Oregon license number MD203828, 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 Robert W. Davis, MD prescribe under Medicare Part D?
In 2024, Robert W. Davis, MD had 1,888 Medicare Part D claims for 300 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert W. Davis, MD's MIPS final score?
The 2023 MIPS final score is 98.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.