Dr. Gregory Kyonghoon Kim, MD
- Medicare services, 2024
- 112
- Medicare patients, 2024
- 210
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Industry payments
- $219
- Practice address
- 1132 Spruce Drive, Mountainside, NJ 07092
- Practice phone
- Call (908) 317-0071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
GastroSurgi Center of New Jersey
Surgery Center - Medicare-Certified · Mountainside, New Jersey
Find Dr. Kim's professional email, personal email and mobile number
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Dr. Gregory Kyonghoon Kim is an anesthesiologist in Mountainside, New Jersey
Dr. Kim practices at GastroSurgi Center of New Jersey in Mountainside, New Jersey.
Dr. Kim's NPI, 1982982146, was assigned on July 21, 2011. Dr. Kim holds Pennsylvania license MT199133.
- NPI
- 1982982146NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476869538
- NPI enumeration date
- July 21, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 317-0071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Kyonghoon Kim practices at GastroSurgi Center of New Jersey in Mountainside, New Jersey
Dr. Kim's primary practice is GastroSurgi Center of New Jersey, at 1132 Spruce Drive, Mountainside, NJ 07092. The practice phone is (908) 317-0071.
- GastroSurgi Center of New Jersey1132 Spruce Drive, Mountainside, NJ 07092Phone(908) 317-0071
Source: Dmand AI Affiliation Data
Dr. Gregory Kyonghoon Kim is affiliated with 3 sites of care and 4 medical groups
Dr. Kim's primary practice is GastroSurgi Center of New Jersey in Mountainside, New Jersey. Dr. Kim is also affiliated with Englewood Hospital. The medical group on file is GastroSurgi Center of New Jersey. Dmand AI also links Dr. Kim to 3 more medical groups and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Kyonghoon Kim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kim practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| GastroSurgi Center of New Jersey | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Kyonghoon Kim is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is Dr. Kim's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Kim is licensed in Pennsylvania.
Specialties and state licenses
- Anesthesiology, PennsylvaniaPrimary
Anesthesiologists near Dr. Kim
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Kyonghoon Kim billed Medicare for 112 services in 2024
CMS data shows 112 Medicare services from Dr. Kim across 6 procedure codes in 2024, for 210 Medicare patients. Medicare paid $17,852 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kim compared with the New Jersey median for anesthesiologists, 2024
- Dr. Kim
- New Jersey median
- Medicare services
- 112vs 9222% above
- Medicare patients
- 210vs 16924% above
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Kim's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Kyonghoon Kim treated 210 Medicare patients in 2024, average age 75
CMS counts 210 Medicare patients who saw Dr. Kim in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kim's median patient age at 61, with 52% women.
Dr. Kim's Medicare patients by age, 2024
Dr. Kim's Medicare patients by sex, 2024
- Women9847%
- Men11253%
Chronic conditions among Dr. Kim's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes47%
- Ischemic heart disease42%
- Chronic kidney disease30%
- Heart failure30%
- Cancer28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women52%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Kyonghoon Kim scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Kim for performance year 2024, reported as part of a group. Dr. Kim accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kim's MIPS scores, performance year 2024
- 98of 100Final score
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gregory Kyonghoon Kim received $219 in industry payments from 2024 to 2025
CMS Open Payments shows 13 general payments to Dr. Kim from 8 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $65.
General payments to Dr. Kim by program year, 2024 to 2025
Companies that paid Dr. Kim the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Kyonghoon Kim's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Kyonghoon Kim
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Kyonghoon Kim's NPI number?
Dr. Gregory Kyonghoon Kim's NPI number is 1982982146. It was assigned on July 21, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Kyonghoon Kim?
Dr. Gregory Kyonghoon Kim is an anesthesiologist in Mountainside, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory Kyonghoon Kim practice?
Dr. Kim practices at 1132 Spruce Drive, Mountainside, NJ 07092. Dr. Kim's primary practice is GastroSurgi Center of New Jersey in Mountainside, New Jersey. Dmand AI also links Dr. Kim to 3 medical groups and 1 ambulatory surgery center.
What is Dr. Gregory Kyonghoon Kim's office phone number?
The practice phone on file for Dr. Kim is (908) 317-0071.
What is Dr. Gregory Kyonghoon Kim's medical license number?
Dr. Kim holds Pennsylvania license MT199133.
Which hospitals is Dr. Gregory Kyonghoon Kim affiliated with?
Dr. Kim is affiliated with Englewood Hospital.
What medical group is Dr. Gregory Kyonghoon Kim part of?
Dr. Kim is linked to GastroSurgi Center of New Jersey. Dmand AI links Dr. Kim to 3 more medical groups.
Does Dr. Gregory Kyonghoon Kim accept Medicare?
Yes. CMS data shows Dr. Kim billed Medicare for 112 services in 2024, and Dr. Kim accepts Medicare assignment.
What is Dr. Gregory Kyonghoon Kim's MIPS score?
Dr. Kim's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory Kyonghoon Kim see?
CMS counts 210 Medicare patients who saw Dr. Kim in 2024, with an average age of 75.
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What services does Dr. Gregory Kyonghoon Kim bill to Medicare?
In 2024, Dr. Kim's most billed Medicare services were anesthesia (00811), anesthesia (00790) and anesthesia (00731).
Has Dr. Gregory Kyonghoon Kim received payments from drug or device companies?
CMS Open Payments shows $219 in general payments to Dr. Kim from 8 companies from 2024 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Gregory Kyonghoon Kim been practicing?
Dr. Kim graduated from medical school in 2010, 16 years ago.
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