Quick answers
- Does Man-Kuang Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Man-Kuang Chang 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 Man-Kuang Chang see?
- In 2024, CMS data shows 462 Original Medicare patients and 2,560 services for Man-Kuang Chang. This counts Original Medicare only and measures volume, not quality.
- What is Man-Kuang Chang's NPI number?
- 1598963290. 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 Man-Kuang Chang, 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 | 462 |
|---|---|
| Services billed to Medicare | 2,560 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,221 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)708 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)276 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)235 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)52 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%
- Arthritis67%
- Chronic kidney disease60%
- Ischemic heart disease59%
- Diabetes56%
Hospitals where Man-Kuang Chang works
Medicare's Facility Affiliation Data lists Man-Kuang Chang 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 St Vincent's RiversideJacksonville, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100040
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100088
- Baptist Medical Center - NassauFernandina Beach, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100140
- Baptist Medical Center BeachesJacksonville Beach, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100117
Practice locations
Addresses where Man-Kuang Chang is enrolled with Medicare (CMS data updated October 2, 2026).
- 1340 S 18th St, Suite 202aFernandina Beach, FL 32034 (904) 202‑4325
- 1747 Baptist Clay Dr, Suite 250aFleming Island, FL 32003 (904) 202‑4325
- 1747 Baptist Clay Rd, Suite 340Fleming Island, FL 32003 (904) 264‑4405
- 820 Prudential Dr, Suite 515Jacksonville, FL 32207 (904) 396‑4886
Group practices
Medicare enrollment lists Man-Kuang Chang as a member of this group (CMS data updated October 2, 2026).
- Baptist Primary Care Inc471 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Florida
Clinicians with the same Medicare primary specialty in Florida — not a recommendation.
Other clinicians in Baptist Primary Care Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598963290 |
| 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