Jeffrey Spencer Chen, MD, PHD
Hospitalist Physician · Bend, OR
Jeffrey Spencer Chen, MD, PHD is a hospitalist physician with a practice address in Bend, Oregon, and NPI 1578880845, issued on Apr 27, 2010. Check the license (Oregon MD163508, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Spencer Chen
- Credential
- MD, PHD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD163508 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2500 NE Neff RD, Bend, OR 97701
- Phone
- (541) 706-5811
- Enumerated
- Apr 27, 2010
- Record last updated
- Apr 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (541) 706-5867
- Medicare enrollment
- Enrolled (PECOS I20140303001497); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at 2500 NE Neff RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kylee AdamekPhysician Assistant1326720186
- Laura Adams, L.AC.Internal Medicine Physician1952553745
- Tony Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1497098602
Verify Jeffrey Spencer Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD163508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average hospitalist physician in 2024
561 Medicare Part D claims for 193 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium28 claims
- Gabapentin21 claims
- Amlodipine Besylate20 claims
- Metoprolol Succinate20 claims
- Amoxicillin-Clavulanate Potass19 claims
- Losartan Potassium17 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
- St Charles Health System IncRedmond, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Spencer Chen among 471 hospitalist physician records in Oregon
Jeffrey Spencer Chen, MD, PHD is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 49% of them.
- NPI issued2010 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated1998 · median 2009 among the 400 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Oregon
There are 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Bend → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jennifer Ashley, MDBend, OR 977011699882993
- Candy Burkenbine-Yamaguchi, M.D.Bend, OR 977011154567857
- Leslie Carey, M.D.Bend, OR 977011699938340
- Clover Dill, M.D.Bend, OR 977011144289505
- Nyama Jacobi, M.D.Bend, OR 977011265695217
- Rebecca Jennings, M.D.Bend, OR 977011770713091
- Ann Kellogg, D.O.Bend, OR 977011619291127
- Jennifer Laughlin, DOBend, OR 977011932188158
Common questions
What is Jeffrey Spencer Chen, MD, PHD's NPI number?
Jeffrey Spencer Chen, MD, PHD's National Provider Identifier (NPI) is 1578880845, issued on Apr 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Spencer Chen, MD, PHD located?
The NPPES record lists a practice address at 2500 NE Neff RD, Bend, OR, 97701. Phone: (541) 706-5811. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Spencer Chen, MD, PHD's license?
NPPES lists Oregon license number MD163508, 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 Jeffrey Spencer Chen, MD, PHD prescribe under Medicare Part D?
In 2024, Jeffrey Spencer Chen, MD, PHD had 561 Medicare Part D claims for 193 beneficiaries; the average among hospitalist physician prescribers was 521. 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.