Quick answers
- Does Jian Liang Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Jian Liang Tan 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 Jian Liang Tan see?
- In 2024, CMS data shows 85 Original Medicare patients and 172 services for Jian Liang Tan. This counts Original Medicare only and measures volume, not quality.
- What is Jian Liang Tan's NPI number?
- 1962853747. 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 Jian Liang Tan, 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 | 85 |
|---|---|
| Services billed to Medicare | 172 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)39 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)28 services
- Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional (93272)21 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)21 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 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 pressure75%
- High cholesterol75%
- Arthritis61%
- Atrial fibrillation60%
- Ischemic heart disease48%
- Chronic kidney disease45%
Hospitals where Jian Liang Tan works
Medicare's Facility Affiliation Data lists Jian Liang Tan 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.
- Mercy Hospital - CassvilleCassville, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261317
- Mercy Hospital AuroraAurora, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261316
- Mercy Hospital LebanonLebanon, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260059
- Mercy Hospital SpringfieldSpringfield, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260065
- Mercy St Francis HospitalMountain View, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261335
Practice locations
Addresses where Jian Liang Tan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1235 E Cherokee St, 2c Sprg Cardiothoracic Surgery HeartSpringfield, MO 65804 (417) 820‑3960
Group practices
Medicare enrollment lists Jian Liang Tan as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Springfield Communities1,120 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MO — not a recommendation.
Other clinicians in Mercy Clinic Springfield Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962853747 |
| 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