Nancy L. Brennan, DO
Family Medicine Physician · Bend, OR
Nancy L. Brennan, DO is a family medicine physician with a practice address in Bend, Oregon, and NPI 1396725834, issued on Jan 19, 2006. Check the license (Oregon DO18175, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nancy L. Brennan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO18175 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2600 NE Neff RD, Bend, OR 97701
- Phone
- (541) 706-4800
- Enumerated
- Jan 19, 2006
- Record last updated
- May 28, 2025
- Fax
- (541) 706-4806
- Medicaid ID
- 056320 OR
- Entity
- Type 1 · individual
Also registered at 2600 NE Neff RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelsie Bostwick, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851769160
- Meghan Brecke, DOFamily Medicine Physician1245490606
- Amanda Bryson, PA-CPhysician Assistant1952850448
Verify Nancy L. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO18175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,458 Medicare Part D claims for 416 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 71 claims were for opioids.
Most prescribed
- Levothyroxine Sodium256 claims
- Lisinopril246 claims
- Atorvastatin Calcium212 claims
- Losartan Potassium182 claims
- Amlodipine Besylate126 claims
- Simvastatin125 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.
114 family medicine physician records list a practice address in Bend
They are 114 of the 5,313 NPPES records with a practice address in Bend, and 2,847 family medicine physician records in Oregon.
All 114 in Bend → All 2,847 in Oregon → Every provider in Bend →
Other family medicine physician records in Oregon
- Roxana Abbott, DOPortland, OR1275799082
- David Abdun-Nur, M.D.Grants Pass, OR1396737847
- Traci Ackron, D.O.Hillsboro, OR1336588789
- Orlando Acosta, MDHood River, OR1912990375
- Michele Adamcak, D.O.Tigard, OR1114097227
- Standley Adamek, DOTigard, OR1144515230
- Harry Adamo, MDSpringfield, OR1235191412
- Allyson AdamsClackamas, OR1043899537
- Caroline Adams, MDGresham, OR1164840815
- Justin Adams, M.D.Medford, OR1760616866
Common questions
What is Nancy L. Brennan, DO's NPI number?
Nancy L. Brennan, DO's National Provider Identifier (NPI) is 1396725834, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy L. Brennan, DO located?
The NPPES record lists a practice address at 2600 NE Neff RD, Bend, OR, 97701. Phone: (541) 706-4800. Providers update this record themselves, so call before visiting.
How can I verify Nancy L. Brennan, DO's license?
NPPES lists Oregon license number DO18175, 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 Nancy L. Brennan, DO prescribe under Medicare Part D?
In 2024, Nancy L. Brennan, DO had 4,458 Medicare Part D claims for 416 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.