Quick answers
- Does Mu Ji Hwang accept Medicare assignment?
- Yes. Medicare's clinician data says Mu Ji Hwang 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 Mu Ji Hwang see?
- In 2024, CMS data shows 63 Original Medicare patients and 103 services for Mu Ji Hwang. This counts Original Medicare only and measures volume, not quality.
- What is Mu Ji Hwang's NPI number?
- 1851889588. 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 Mu Ji Hwang, 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 | 63 |
|---|---|
| Services billed to Medicare | 103 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)31 services
- Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional (95720)29 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%
- Stroke or mini-stroke59%
- Ischemic heart disease56%
- Anxiety49%
- Arthritis48%
Hospitals where Mu Ji Hwang works
Medicare's Facility Affiliation Data lists Mu Ji Hwang 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.
- Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025
- Middlesex HospitalMiddletown, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070020
- St Vincent's Medical CenterBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070028
- The Hospital of Central ConnecticutNew Britain, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070035
Practice locations
Addresses where Mu Ji Hwang is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Grand StNew Britain, CT 06052 (860) 224‑5011
- 2660 Main St, Suite 219Bridgeport, CT 06606 (203) 332‑3272
- 80 Seymour StHartford, CT 06102
- 85 Seymour StHartford, CT 06106
Group practices
Medicare enrollment lists Mu Ji Hwang as a member of these groups (CMS data updated October 2, 2026).
- Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group
- Hartford Hospital1,044 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in New Britain
Clinicians with the same Medicare primary specialty in New Britain, CT — not a recommendation.
Other clinicians in Hartford Healthcare Medical Group Specialists PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851889588 |
| 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