Theodore Prier, MD
Family Medicine Physician · Sisters, OR
Theodore Prier, MD is a family medicine physician with a practice address in Sisters, Oregon, and NPI 1780889261, issued on Jun 15, 2007. Check the license (Oregon MD205854, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Theodore Prier
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD205854 OR
Self-reported in NPPES; status is on the state search - Practice location
- 354 W Adams Ave, Sisters, OR 97759
- Phone
- (541) 549-9609
- Enumerated
- Jun 15, 2007
- Record last updated
- Mar 31, 2025
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 354 W Adams Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Theodore Prier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD205854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average family medicine physician in 2024
5,380 Medicare Part D claims for 408 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 368 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium310 claims
- Atorvastatin Calcium295 claims
- Amlodipine Besylate262 claims
- Levothyroxine Sodium235 claims
- Lisinopril126 claims
- Hydrocodone-Acetaminophen124 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.
Theodore Prier among 2,847 family medicine physician records in Oregon
Theodore Prier, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family medicine physician records list a practice address in Sisters
They are 9 of the 149 NPPES records with a practice address in Sisters, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Sisters → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Soni Andreini Poulsen, MDSisters, OR 977591033196795
- May Fan, M.D.Sisters, OR 977591457462939
- Steven Greer, MDSisters, OR 977591851497184
- Jeremy Kenison, D.O.Sisters, OR 977591386087534
- Inger Lied, MDSisters, OR 977591467942227
- Kevin Miller, D.O.Sisters, OR 977591457321333
- Clayton Reinhardt, DOSisters, OR 977591174554729
- Mark Sauerwein, MDSisters, OR 977591972699163
Common questions
What is Theodore Prier, MD's NPI number?
Theodore Prier, MD's National Provider Identifier (NPI) is 1780889261, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Prier, MD located?
The NPPES record lists a practice address at 354 W Adams Ave, Sisters, OR, 97759. Phone: (541) 549-9609. Providers update this record themselves, so call before visiting.
How can I verify Theodore Prier, MD's license?
NPPES lists Oregon license number MD205854, 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 Theodore Prier, MD prescribe under Medicare Part D?
In 2024, Theodore Prier, MD had 5,380 Medicare Part D claims for 408 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.