Spencer Larson, MD
Internal Medicine Physician · Bend, OR
Spencer Larson, MD is an internal medicine physician with a practice address in Bend, Oregon, and NPI 1508363045, issued on Apr 11, 2018. Check the license (Oregon MD204177, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Spencer Larson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD204177 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1501 NE Medical Center Dr, Bend, OR 97701
- Phone
- (541) 382-4900
- Enumerated
- Apr 11, 2018
- Record last updated
- Dec 21, 2022
- Medicaid ID
- 500794513 OR
- Medicare enrollment
- Enrolled (PECOS I20210706002775); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2018
- 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 1501 NE Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Spencer Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD204177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,754 Medicare Part D claims for 1,339 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 348 claims were for opioids.
Most prescribed
- Atorvastatin Calcium856 claims
- Rosuvastatin Calcium728 claims
- Amlodipine Besylate518 claims
- Levothyroxine Sodium470 claims
- Omeprazole427 claims
- Losartan Potassium421 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
- Bend Memorial Clinic PCBend, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Larson among 2,116 internal medicine physician records in Oregon
Spencer Larson, 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 2018, is newer than 83% of them.
- NPI issued2018 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2008 among the 1,232 with a school on file
- Record last updated2022 · 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).
97 internal medicine physician records list a practice address in Bend
They are 97 of the 5,313 NPPES records with a practice address in Bend, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Bend → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Corso, M.D.Bend, OR 977011487624409
- Jeffrey Davis, MDBend, OR 977011942205752
- David Donnelly, M.D.Bend, OR 977011952355828
- Benjamin England, M.D.Bend, OR 977011114916186
- Christina Ford, MDBend, OR 977011528057593
- Gary Hood, MDBend, OR 977011316942709
- Robin Lannan, M.D.Bend, OR 977011467401273
- Lisa Lewis, M.D.Bend, OR 977011962486621
Common questions
What is Spencer Larson, MD's NPI number?
Spencer Larson, MD's National Provider Identifier (NPI) is 1508363045, issued on Apr 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Larson, MD located?
The NPPES record lists a practice address at 1501 NE Medical Center Dr, Bend, OR, 97701. Phone: (541) 382-4900. Providers update this record themselves, so call before visiting.
How can I verify Spencer Larson, MD's license?
NPPES lists Oregon license number MD204177, 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 Spencer Larson, MD prescribe under Medicare Part D?
In 2024, Spencer Larson, MD had 12,754 Medicare Part D claims for 1,339 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.