Quick answers
- Does Tudor R. Tien accept Medicare assignment?
- Yes. Medicare's clinician data says Tudor R. Tien 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 Tudor R. Tien see?
- In 2024, CMS data shows 83 Original Medicare patients and 431 services for Tudor R. Tien. This counts Original Medicare only and measures volume, not quality.
- What is Tudor R. Tien's NPI number?
- 1033101225. 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 Tudor R. Tien, 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 | 83 |
|---|---|
| Services billed to Medicare | 431 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)44 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)11 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 cholesterol73%
- Arthritis67%
- Diabetes42%
- Depression27%
- Anxiety27%
Hospitals where Tudor R. Tien works
Medicare's Facility Affiliation Data lists Tudor R. Tien 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.
- Ascension Genesys HospitalGrand Blanc, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230197
- Henry Ford Allegiance HealthJackson, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230092
- Trinity Health Livingston HospitalBrighton, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230069
Practice locations
Addresses where Tudor R. Tien is enrolled with Medicare (CMS data updated October 2, 2026).
- 2305 Genoa Business Park Dr, Suite 170Brighton, MI 48114 (810) 299‑8550
- 861 Health Park BlvdGrand Blanc, MI 48439 (810) 953‑0500
- 956 Cooper StJackson, MI 49202 (517) 998‑6574
Group practices
Medicare enrollment lists Tudor R. Tien as a member of these groups (CMS data updated October 2, 2026).
- Eaton Rapids Medical Center32 clinicians in the group
- Advanced Orthopedic Specialists, PC11 clinicians in the group
- Greater Flint Sports Medicine Center PC11 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Brighton
Clinicians with the same Medicare primary specialty in Brighton, MI — not a recommendation.
Other clinicians in Eaton Rapids Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033101225 |
| 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