MU JI HWANG M.D.
NPI 1851889588
Student in an Organized Health Care Education/Training Program in Providence, RI

Active since April 27, 2018PECOS EnrolledAccepts Medicare Assignment
593 EDDY ST, PROVIDENCE, RI 02903(401) 444-6183 Get Directions Write a Review

NPPES record last updated: June 8, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 8, 2022, Mar 20, 2019, Apr 27, 2018 (3 updates tracked since 2018).

About Mu Ji Hwang M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MU JI HWANG M.D. (NPI 1851889588) is an individual student in an organized health care education/training program in Providence, Rhode Island and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1851889588
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameMU JI HWANGCredential: M.D.
Location Address593 EDDY STProvidence, RI 02903-4923
Mailing Address593 Eddy StProvidence, RI 02903-4923 · (401) 444-6183
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 27, 2018
Last NPPES UpdateJune 8, 20223 updates tracked since enumeration
NPPES CertifiedJune 8, 2022
✔ NPI 1851889588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
593 EDDY ST, Providence, RI 02903

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mu Ji Hwang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315287844
PECOS Enrollment IDI20240605002981
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mu Ji Hwang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
80 SEYMOUR ST, HARTFORD HOSPITAL PROFESSIONAL SERVICES
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • Also billed through NPI 1770696643 (Connecticut)
  • 1,333 clinicians in this Medicare group
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
31 services30 patients
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720
This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.
29 services11 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mu Ji Hwang's NPI number?

The NPI number for Mu Ji Hwang is 1851889588. It was assigned to this individual provider in the NPPES registry on April 27, 2018.

Where is Mu Ji Hwang located?

Mu Ji Hwang practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-6183.

What is Mu Ji Hwang's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Mu Ji Hwang enrolled in Medicare?

Yes. Mu Ji Hwang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mu Ji Hwang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mu Ji Hwang reassigns Medicare benefits to 2 organizations: Hartford Hospital (Hartford, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mu Ji Hwang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mu Ji Hwang accept?

Health plans from Anthem Blue Cross and Blue Shield list Mu Ji Hwang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mu Ji Hwang was last updated on June 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.