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HYO SANG JI M.D.
NPI 1043529050
Anesthesiology - Pain Medicine in Tamuning, GU

Active since September 26, 2010PECOS EnrolledAccepts Medicare Assignment
86.43/100
CMS Quality Rating
633 GOV. CARLOS CAMACHO RD, SUITE 101, TAMUNING, GU 96913(671) 646-3855 Get Directions Write a Review

NPPES record last updated: August 11, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hyo Sang Ji M.d. NPPES

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

HYO SANG JI M.D. (NPI 1043529050) is an individual pain medicine provider in Tamuning, Guam, licensed in Guam (M-1717) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1043529050
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameHYO SANG JICredential: M.D.
Location Address633 GOV. CARLOS CAMACHO RD, SUITE 101Tamuning, GU 96913
Mailing Address633 Gov. Carlos Camacho Rd., Suite 101Tamuning, GU 96913 · (671) 646-3855
Phone(671) 646-3855
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateSeptember 26, 2010
Last NPPES UpdateAugust 11, 2020
NPPES CertifiedAugust 11, 2020
✔ NPI 1043529050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in GU · M-1717
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Hyo Sang Ji 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 ID1557548757
PECOS Enrollment IDI20170914004068
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 Reassignment

Medicare enrollment records show Hyo Ji reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ac Micro Guam LLC
Anesthesiology
633 GOV CARLOS G CAMACHO RD, STE 101 GUAM MEDICAL PLAZA
Tamuning, GU 96913
  • Reassigned Medicare billing, Guam enrollment
  • 12 clinicians in this Medicare group
NPI 1699768093 (671) 646-3855

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 11

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
211 services80 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
118 services65 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
89 services79 patients
Injection of trigger points, 1-2 muscles 20552
Trigger point injection is a procedure used to treat painful areas of muscle that contain trigger points, or knots of muscle that form when muscles do not relax. 1-2 muscles are typically treated in one session. The procedure involves injecting medications into these points to alleviate pain.
81 services54 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
69 services69 patients
Injection of trigger points, 3 or more muscles 20553
Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.
58 services37 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.43/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.87
Improvement Activities40

Other Providers at the Same Location NPPES 2

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

EYTHOR BJORGVINSSON M.D.
Radiology (Diagnostic Radiology)
633 GOV. CARLOS CAMACHO RD, STE 210 GUAM MEDICAL PLAZA
TAMUNING, GU 96913
Guam (671) 649-1001
RUBEN PASION ARAFILES MD
Orthopaedic Surgery
633 GOV. CARLOS CAMACHO RD, SUITE 212
TAMUNING, GU 96913
Guam (671) 646-6610

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 Hyo Ji's NPI number?

The NPI number for Hyo Ji is 1043529050. It was assigned to this individual provider in the NPPES registry on September 26, 2010.

Where is Hyo Ji located?

Hyo Ji practices at 633 Gov. Carlos Camacho Rd Suite 101, Tamuning, GU 96913. The listed phone number is (671) 646-3855.

What is Hyo Ji's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Hyo Ji enrolled in Medicare?

Yes. Hyo Ji 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 organization bills Medicare for Hyo Ji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hyo Ji reassigns Medicare benefits to Ac Micro Guam LLC (Tamuning, GU). The 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 Hyo Ji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hyo Ji was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.