Quick answers
- Does Charlotte Z. Yang accept Medicare assignment?
- Yes. Medicare's clinician data says Charlotte Z. Yang 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 Charlotte Z. Yang see?
- In 2024, CMS data shows 458 Original Medicare patients and 3,028 services for Charlotte Z. Yang. This counts Original Medicare only and measures volume, not quality.
- What is Charlotte Z. Yang's NPI number?
- 1669479580. 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 Charlotte Z. Yang, 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 | 458 |
|---|---|
| Services billed to Medicare | 3,028 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)867 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)413 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)384 services
- Annual depression screening, 5 to 15 minutes (G0444)356 services
- Urinalysis, manual test (81002)174 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 cholesterol75%
- High blood pressure67%
- Arthritis40%
- Ischemic heart disease25%
- Chronic kidney disease22%
- Diabetes21%
Hospitals where Charlotte Z. Yang works
Medicare's Facility Affiliation Data lists Charlotte Z. Yang 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.
- Covenant Medical CenterSaginaw, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230070
- Hills & Dales General HospitalCass City, MI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 231316
- McLaren Bay RegionBay City, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230041
- MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230222
- MyMichigan Medical Center SaginawSaginaw, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230077
Practice locations
Addresses where Charlotte Z. Yang is enrolled with Medicare (CMS data updated October 2, 2026).
- 15 Cobblestone PlSaginaw, MI 48603
- 193 E Jefferson StFrankenmuth, MI 48734
- 2325 Rockwell DrMidland, MI 48642 (989) 898‑9664
- 3406 Davenport Ave ASaginaw, MI 48602 (989) 799‑9900
- 4817 Professional DrBay City, MI 48706
Group practices
Medicare enrollment lists Charlotte Z. Yang as a member of these groups (CMS data updated October 2, 2026).
- Powerback Rehabilitation LLC649 clinicians in the group
- Rau Physical Therapy Inc96 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in Saginaw
Clinicians with the same Medicare primary specialty in Saginaw, MI — not a recommendation.
Other clinicians in Powerback Rehabilitation LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 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) | 1669479580 |
| 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