Barbara L. Atwood, MD LLC
Internal Medicine Physician · Hermiston, OR
Barbara L. Atwood, MD LLC is an internal medicine physician with a practice address in Hermiston, Oregon, and NPI 1396852760, issued on Aug 23, 2006. Check the license (Oregon MD20338, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Barbara L. Atwood
- Credential
- MD LLC
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD20338 OR
602397859 WA
Self-reported in NPPES; status is on the state search - Practice location
- 620 NW 11TH St Ste M103, Hermiston, OR 97838
- Phone
- (541) 667-3797
- Enumerated
- Aug 23, 2006
- Record last updated
- Jun 10, 2026
- Fax
- (541) 303-8767
- Medicare enrollment
- Enrolled (PECOS I20250519001950); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 620 NW 11TH St Ste M103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Larsen, M.D.Internal Medicine Physician1366768533
- David Shanley, MDFamily Medicine Physician1154374965
- Nu Nwe Tun, MDGeriatric Medicine (Internal Medicine) Physician1942685466
- Bradley Tymchuk, M.D.Internal Medicine Physician1437503380
Verify Barbara L. Atwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD20338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,042 Medicare Part D claims for 233 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 84 claims were for opioids.
Most prescribed
- Levothyroxine Sodium185 claims
- Atorvastatin Calcium154 claims
- Amlodipine Besylate128 claims
- Losartan Potassium113 claims
- Simvastatin111 claims
- Lisinopril97 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: $169.11
8 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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 one group practice
- Good Shepherd Health Care SystemHermiston, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara L. Atwood among 2,116 internal medicine physician records in Oregon
Barbara L. Atwood, MD LLC 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1985 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 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).
6 internal medicine physician records list a practice address in Hermiston
They are 6 of the 479 NPPES records with a practice address in Hermiston, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Hermiston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Benjamin Booher, DOHermiston, OR 978381740245562
- Brian Larsen, M.D.Hermiston, OR 978381366768533
- Edward Ricketts, MDHermiston, OR 978381215079710
- David Stenstrom, MDHermiston, OR 978381265607485
- Bradley Tymchuk, M.D.Hermiston, OR 978381437503380
- Scott Siebe, MDEnterprise, OR 978281568455822
- Stephen Bump, M.D.La Grande, OR 978501497785042
- Stanley Graham, M.D.La Grande, OR 978501952330557
Common questions
What is Barbara L. Atwood, MD LLC's NPI number?
Barbara L. Atwood, MD LLC's National Provider Identifier (NPI) is 1396852760, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara L. Atwood, MD LLC located?
The NPPES record lists a practice address at 620 NW 11TH St Ste M103, Hermiston, OR, 97838. Phone: (541) 667-3797. Providers update this record themselves, so call before visiting.
How can I verify Barbara L. Atwood, MD LLC's license?
NPPES lists Oregon license number MD20338, 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 Barbara L. Atwood, MD LLC prescribe under Medicare Part D?
In 2024, Barbara L. Atwood, MD LLC had 3,042 Medicare Part D claims for 233 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.