Katrina Lorrayne Rathjen, DO
Internal Medicine Physician · Las Vegas, NV
Katrina Lorrayne Rathjen, DO is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1316434293, issued on Apr 17, 2018. Check the license (Nevada DO3240, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katrina Lorrayne Rathjen
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DO3240 NV
BP10064713 TX
Self-reported in NPPES; status is on the state search - Practice location
- 821 N Nellis Blvd Ste 100, Las Vegas, NV 89110
- Phone
- (702) 438-4003
- Enumerated
- Apr 17, 2018
- Record last updated
- Aug 30, 2022
- Fax
- (702) 438-0555
- Medicaid ID
- 1316434293 NV
- Medicare enrollment
- Enrolled (PECOS I20220913003539); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 821 N Nellis Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elan Gada, M.D.Internal Medicine Physician1376837823
- Christo Hadjiev, MDFamily Medicine Physician1225028731
- Rose McIntosh, FNPC CSFamily Nurse Practitioner1063470417
- Nathania Park, FNP-BCFamily Nurse Practitioner1790188555
- Art Roo Saberola, FNP-BCFamily Nurse Practitioner1659903193
Verify Katrina Lorrayne Rathjen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO3240Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
5,838 Medicare Part D claims for 726 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 174 claims were for opioids.
Most prescribed
- Atorvastatin Calcium403 claims
- Amlodipine Besylate268 claims
- Lisinopril260 claims
- Rosuvastatin Calcium208 claims
- Losartan Potassium183 claims
- Gabapentin165 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: $13.66
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. 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
- Intermountain Medical Holdings Nevada IncLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katrina Lorrayne Rathjen among 1,229 internal medicine physician records in Nevada
Katrina Lorrayne Rathjen, DO is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% 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 76% of them.
- NPI issued2018 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2006 among the 772 with a school on file
- Record last updated2022 · 43% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Tessie Beduya-Princer, M.D.Las Vegas, NV 891101649249608
- Dino Lorenzo Dy, MDLas Vegas, NV 891101427672765
- Carlos Ezpeleta, M.D.Las Vegas, NV 891101265432793
- Elan Gada, M.D.Las Vegas, NV 891101376837823
- Maria Manalo, MDLas Vegas, NV 891101730121096
- Tricia Murphy, M.D.Las Vegas, NV 891101215996764
- George Oehlsen, DOLas Vegas, NV 891101750328084
- Alejandro Ramirez, M.D.Las Vegas, NV 891101710237847
Common questions
What is Katrina Lorrayne Rathjen, DO's NPI number?
Katrina Lorrayne Rathjen, DO's National Provider Identifier (NPI) is 1316434293, issued on Apr 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Lorrayne Rathjen, DO located?
The NPPES record lists a practice address at 821 N Nellis Blvd Ste 100, Las Vegas, NV, 89110. Phone: (702) 438-4003. Providers update this record themselves, so call before visiting.
How can I verify Katrina Lorrayne Rathjen, DO's license?
NPPES lists Nevada license number DO3240, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katrina Lorrayne Rathjen, DO prescribe under Medicare Part D?
In 2024, Katrina Lorrayne Rathjen, DO had 5,838 Medicare Part D claims for 726 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.