Quick answers
- Does Virginia M. Tjan accept Medicare assignment?
- Yes. Medicare's clinician data says Virginia M. Tjan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Virginia M. Tjan see?
- In 2024, CMS data shows 300 Original Medicare patients and 1,471 services for Virginia M. Tjan. This counts Original Medicare only and measures volume, not quality.
- What is Virginia M. Tjan's NPI number?
- 1104824630. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Virginia M. Tjan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 300 |
|---|---|
| Services billed to Medicare | 1,471 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)464 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)305 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)79 services
- Injection of drug or substance under skin or into muscle (96372)74 services
- Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)60 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure70%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)56%
- High cholesterol49%
- Arthritis39%
- Diabetes32%
- Chronic kidney disease24%
Hospitals where Virginia M. Tjan works
Medicare's Facility Affiliation Data lists Virginia M. Tjan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Box Butte General HospitalAlliance, NE · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 281360
- Chadron HospitalChadron, NE · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 281341
- Community HospitalTorrington, WY · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 531307
- Kimball Health ServicesKimball, NE · Critical Access Hospital · Emergency services: listed by Medicare · CCN 281305
- Regional West Medical CenterScottsbluff, NE · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 280061
Practice locations
Addresses where Virginia M. Tjan is enrolled with Medicare (CMS data updated October 2, 2026).
- 3911 Ave BScottsbluff, NE 69361 (308) 630‑2100
Group practices
Medicare enrollment lists Virginia M. Tjan as a member of this group (CMS data updated October 2, 2026).
- Regional West Physicians Clinic138 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Other clinicians in Regional West Physicians Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104824630 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians