Ellen Janssen, MD
Internal Medicine Physician · Fremont, NE
Ellen Janssen, MD is an internal medicine physician with a practice address in Fremont, Nebraska, and NPI 1154995116, issued on May 14, 2021. Check the license (Nebraska 8954, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Ellen Janssen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 8954 NE
Self-reported in NPPES; status is on the state search - Practice location
- 680 E Fremont Medical Park Dr, Fremont, NE 68025
- Phone
- (402) 815-7120
- Enumerated
- May 14, 2021
- Record last updated
- Oct 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20240815000427); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 813 in Nebraska → Look up another NPI →
Also registered at 680 E Fremont Medical Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- J Adams, MDInternal Medicine Physician1487629937
- Carlos Giraldo Vanegas, MDInternal Medicine Physician1194096248
- Amber Juricek, DNP, FNP-CFamily Nurse Practitioner1215597364
- Kara Kasson, RDRegistered Dietitian1861190506
- Luke Lansman, MDFamily Medicine Physician1477110948
- Sandra Paasch, LMHP, LCSWSocial Worker1942522701
Verify Ellen Janssen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 8954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
512 Medicare Part D claims for 85 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium29 claims
- Omeprazole27 claims
- Ozempic22 claims
- Fluticasone Propionate19 claims
- Lisinopril19 claims
- Metoprolol Succinate19 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.
Industry payments in 2024: $13.72
1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Physicians Clinic IncFremont, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Janssen among 813 internal medicine physician records in Nebraska
Ellen Janssen, MD is one of 813 internal medicine physician records with a practice address in Nebraska. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2021 · median 2010 among the 414 with a school on file
- Record last updated2024 · 56% 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 Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Nebraska
There are 813 internal medicine physician records in Nebraska.
All 813 in Nebraska → Every provider in Fremont → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- J Adams, MDFremont, NE 680251487629937
- Carlos Giraldo Vanegas, MDFremont, NE 680251194096248
- Thomas Robertson, MDFremont, NE 680251306811872
- Martin Sears, MDFremont, NE 680251154411395
- Richard Seitz, MDFremont, NE 680251427023993
- Kylee Stanley, M.D.Fremont, NE 680251619236379
- Laura Frigyes, M.D.Elkhorn, NE 680221346355146
- James Horrocks, MDElkhorn, NE 680221407914054
Common questions
What is Ellen Janssen, MD's NPI number?
Ellen Janssen, MD's National Provider Identifier (NPI) is 1154995116, issued on May 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Janssen, MD located?
The NPPES record lists a practice address at 680 E Fremont Medical Park Dr, Fremont, NE, 68025. Phone: (402) 815-7120. Providers update this record themselves, so call before visiting.
How can I verify Ellen Janssen, MD's license?
NPPES lists Nebraska license number 8954, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ellen Janssen, MD prescribe under Medicare Part D?
In 2024, Ellen Janssen, MD had 512 Medicare Part D claims for 85 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.