James R. Giesen, DO
Emergency Medicine Physician · Grants Pass, OR
James R. Giesen, DO is an emergency medicine physician with a practice address in Grants Pass, Oregon, and NPI 1619056173, issued on Nov 3, 2006. Check the license (Oregon DO15576, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- James R. Giesen
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DO15576 OR
Self-reported in NPPES; status is on the state search - Practice location
- 500 SW Ramsey Avenue, Grants Pass, OR 97527
- Phone
- (541) 472-7000
- Enumerated
- Nov 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 045278 OR
- Medicare enrollment
- Enrolled (PECOS I20040507000254); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 500 SW Ramsey Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lee Cunningham, MDEmergency Medicine Physician1720344310
- Janet Eoff, MDEmergency Medicine Physician1821177387
- Evan Fisch, MDEmergency Medicine Physician1518520881
- Eric Loeliger, MDEmergency Medicine Physician1104938737
- Diane Seehawer, RDNutrition Education Nutritionist1093884413
- Mark Stevens, NPFamily Nurse Practitioner1265729628
Verify James R. Giesen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO15576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average emergency medicine physician in 2024
160 Medicare Part D claims for 102 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 21 claims were for opioids.
Most prescribed
- Methylprednisolone23 claims
- Cephalexin15 claims
- Hydrocodone-Acetaminophen15 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 2 group practices
- AsanteMedford, OR
- Asante Three Rivers Medical Center LLCGrants Pass, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James R. Giesen among 1,079 emergency medicine physician records in Oregon
James R. Giesen, DO is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1984 · median 2013 among the 557 with a school on file
- Record last updated2007 · 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 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 emergency medicine physician records list a practice address in Grants Pass
They are 28 of the 2,127 NPPES records with a practice address in Grants Pass, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Grants Pass → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Whitney Baker, MDGrants Pass, OR 975271659582161
- Rosemarie Barone, MDGrants Pass, OR 975271508934506
- John Bonk, MDGrants Pass, OR 975271689994337
- Christopher David, MDGrants Pass, OR 975271487816682
- Janet Eoff, MDGrants Pass, OR 975271821177387
- Bernard Hill, MDGrants Pass, OR 975271720186950
- Martin Hill, MDGrants Pass, OR 975271023186012
- Douglas Howard, MDGrants Pass, OR 975271124107669
Common questions
What is James R. Giesen, DO's NPI number?
James R. Giesen, DO's National Provider Identifier (NPI) is 1619056173, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James R. Giesen, DO located?
The NPPES record lists a practice address at 500 SW Ramsey Avenue, Grants Pass, OR, 97527. Phone: (541) 472-7000. Providers update this record themselves, so call before visiting.
How can I verify James R. Giesen, DO's license?
NPPES lists Oregon license number DO15576, 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 James R. Giesen, DO prescribe under Medicare Part D?
In 2024, James R. Giesen, DO had 160 Medicare Part D claims for 102 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.