Ahren Otto Geilenfeldt, D.O.
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · Medford, OR
Ahren Otto Geilenfeldt, D.O. is a neuromuscular medicine (physical medicine & rehabilitation) physician with a practice address in Medford, Oregon, and NPI 1316384068, issued on Jun 3, 2013. Check the license (Oregon DO210351, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ahren Otto Geilenfeldt
- Credential
- D.O.
- Primary taxonomy
- Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician 2081N0008X
- License numbers
- DO210351 OR
O-1241 ID
Self-reported in NPPES; status is on the state search - Practice location
- 70 Bower Dr, Medford, OR 97501
- Phone
- (541) 732-8360
- Enumerated
- Jun 3, 2013
- Record last updated
- Aug 1, 2022
- Medicaid ID
- 500805783 OR
- Medicare enrollment
- Enrolled (PECOS I20220429001572); accepts Medicare assignment
- Medical or professional school
- Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2015
- Entity
- Type 1 · individual
2 nearest neuromuscular medicine (physical medicine & rehabilitation) physician records → All 3 in Oregon → Look up another NPI →
Also registered at 70 Bower Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Toni Baca, FNPFamily Nurse Practitioner1780162032
- Carissa Bravo, PSYDClinical Psychologist1538562749
- Uzomechine Chiedozi, MDFamily Medicine Physician1699160903
- Aaron Dam, M.D.Family Medicine Physician1851826937
- Jennifer Deltour, MSN-FNPFamily Nurse Practitioner1265813729
- Grant Jolliffe, FNPFamily Nurse Practitioner1699325092
Verify Ahren Otto Geilenfeldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO210351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average neuromuscular medicine (physical medicine & rehabilitation) physician in 2024
14 Medicare Part D claims, against an average of 577 among the 41 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician providers in Oregon
There are 3 neuromuscular medicine (physical medicine & rehabilitation) physician records in Oregon.
All 3 in Oregon → Every provider in Medford → Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 2 neuromuscular medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Amanda Bietz, DPTSalem, OR 973021811470743
- Steven Mikalson, LMTPortland, OR 972391851783252
Common questions
What is Ahren Otto Geilenfeldt, D.O.'s NPI number?
Ahren Otto Geilenfeldt, D.O.'s National Provider Identifier (NPI) is 1316384068, issued on Jun 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ahren Otto Geilenfeldt, D.O. located?
The NPPES record lists a practice address at 70 Bower Dr, Medford, OR, 97501. Phone: (541) 732-8360. Providers update this record themselves, so call before visiting.
How can I verify Ahren Otto Geilenfeldt, D.O.'s license?
NPPES lists Oregon license number DO210351, 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 Ahren Otto Geilenfeldt, D.O. prescribe under Medicare Part D?
In 2024, Ahren Otto Geilenfeldt, D.O. had 14 Medicare Part D claims; the average among neuromuscular medicine (physical medicine & rehabilitation) physician prescribers was 577. 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.